1
00:00:02,583 --> 00:00:04,665
Sudden impact.

2
00:00:04,823 --> 00:00:06,825
A fire ignited.

3
00:00:06,983 --> 00:00:09,031
I thought I was going to die.

4
00:00:09,183 --> 00:00:13,825
The collision nearly killed the legendary
the driver. - Thank God, I survived.

5
00:00:13,983 --> 00:00:18,511
But Nikija Lauda, the driver who is
became the owner of an airline,

6
00:00:18,663 --> 00:00:21,268
a worse accident is still waiting.

7
00:00:21,423 --> 00:00:24,745
The journalists called me
that my plane crashed.

8
00:00:25,343 --> 00:00:27,425
Damn it!

9
00:00:28,903 --> 00:00:32,225
We didn't have any
proof. -Austrian champion

10
00:00:32,423 --> 00:00:37,508
defies generally accepted theories.
- If they lost 10%, they would be alive.

11
00:00:37,663 --> 00:00:42,669
He fights to discover the truth.
- My name, my plane, my accident.

12
00:00:42,903 --> 00:00:47,511
It reveals a new and expanded threat
modern air transport.

13
00:00:50,703 --> 00:00:56,703
Processing: Nid�esi and Trawis

14
00:01:00,563 --> 00:01:03,724
Aircraft Accident Investigations
Season 14 Episode 2

15
00:01:04,143 --> 00:01:06,225
This is a true story.

16
00:01:06,383 --> 00:01:10,433
It is based on official
reports and statements of witnesses.

17
00:01:13,343 --> 00:01:15,584
May 26, 1991

18
00:01:16,463 --> 00:01:19,193
Rudder heading left.

19
00:01:19,663 --> 00:01:23,190
What does he say?
- Rudder heading to the left.

20
00:01:24,823 --> 00:01:29,431
Good. - Captain Thomas
Welch and First Officer Josef Thurner

21
00:01:29,703 --> 00:01:34,788
they drive "Boeing 767" from Bangkok to
Thailand to Vienna in Austria.

22
00:01:36,656 --> 00:01:40,342
NIKI LAUDA: TRAGEDY IN THE AIR
-The plane belongs to the company "Lauda Air",

23
00:01:40,536 --> 00:01:45,144
whose owner is a famous Austrian
Formula 1 driver Niki Lauda.

24
00:01:46,017 --> 00:01:52,104
After I stopped driving, whatever
it is logical for me to start this business.

25
00:01:52,817 --> 00:01:55,866
I did that with
by the company "Lauda Air".

26
00:01:56,097 --> 00:02:00,147
It's Lauda in the seventies
dominated the Formula 1 races.

27
00:02:03,177 --> 00:02:06,897
He was the best driver of that time.

28
00:02:07,177 --> 00:02:09,748
Lauda's "Ferrari" still leads!

29
00:02:10,417 --> 00:02:14,501
Niki, after Mozart,
the most famous Austrian.

30
00:02:14,897 --> 00:02:17,980
And that's the end of the race.
Niki Lauda arrives first!

31
00:02:18,897 --> 00:02:21,980
He won three times
world championship.

32
00:02:22,137 --> 00:02:26,938
He used his fame to
created a new career and a new company.

33
00:02:27,737 --> 00:02:31,946
I wanted to passengers
offer a different way of traveling.

34
00:02:32,577 --> 00:02:36,946
With better service and food.
And better interior design.

35
00:02:38,177 --> 00:02:43,308
"Boeing 767" flies less than 15
minutes. The flight to Vienna takes 11 hours.

36
00:02:45,457 --> 00:02:48,506
It is the route that Niki
knows very well.

37
00:02:48,697 --> 00:02:53,179
He is not only the owner
airlines. He is also a pilot.

38
00:02:53,537 --> 00:02:57,780
It's simple if you are
company owner and plane driver.

39
00:02:58,177 --> 00:03:02,227
When you are with your
passengers, know what is happening.

40
00:03:02,977 --> 00:03:08,620
I can check about which one myself
is to address problems and solve them.

41
00:03:16,377 --> 00:03:21,542
In the cockpit, the captain and the first
The officer checks the instruments.

42
00:03:22,137 --> 00:03:25,220
The autopilot controls the climb.

43
00:03:33,497 --> 00:03:36,739
The plane suddenly starts to fall.

44
00:03:39,777 --> 00:03:41,859
Christ!

45
00:03:55,617 --> 00:03:58,506
The pilots lost control.

46
00:04:03,655 --> 00:04:06,977
Flight 4 crashes towards the ground.

47
00:04:16,152 --> 00:04:22,148
The plane crashed in the jungle, 177 km
northwest of Bangkok.

48
00:04:23,346 --> 00:04:27,396
I wasn't at home.
The journalists called me.

49
00:04:27,546 --> 00:04:30,629
They informed me
that the plane crashed.

50
00:04:32,066 --> 00:04:37,277
When the rescuers arrived, they soon
saw that they had no one to save.

51
00:04:39,346 --> 00:04:44,147
All 213 passengers died
and ten crew members.

52
00:04:45,826 --> 00:04:49,114
The plane took off at 16.01.

53
00:04:49,866 --> 00:04:55,987
The pilots did not report a malfunction.
The plane flew for about 25 minutes

54
00:04:56,146 --> 00:05:03,029
and then he suddenly disappeared with
radar. We don't know what happened.

55
00:05:05,667 --> 00:05:09,717
That was the first time that
"Boeing 767" crashed.

56
00:05:10,187 --> 00:05:12,428
The loss of an American plane

57
00:05:12,587 --> 00:05:16,876
caused a quick reaction from the American
Office for Traffic Safety.

58
00:05:17,227 --> 00:05:22,870
They immediately sent an investigator
Bob MacIntosh to Thailand.

59
00:05:23,587 --> 00:05:29,196
A plane without any crashed
interference flew intercontinental

60
00:05:29,387 --> 00:05:33,437
almost a whole decade.

61
00:05:34,587 --> 00:05:39,229
It was very important to us
find out what happened.

62
00:05:41,627 --> 00:05:44,278
223 people died.

63
00:05:44,467 --> 00:05:49,507
There are pieces of one lying in the jungle
of the most popular aircraft.

64
00:05:50,667 --> 00:05:55,707
It is a hilly
tropical jungle.

65
00:05:57,147 --> 00:06:02,232
We knew it was going to be big
challenge to identify all the parts.

66
00:06:03,587 --> 00:06:07,637
But it is difficult for researchers
the terrain is not the only problem.

67
00:06:09,227 --> 00:06:12,310
Local residents have arrived.

68
00:06:12,507 --> 00:06:16,557
And the local police are not
prevented them from doing so.

69
00:06:17,307 --> 00:06:21,107
They were looking for anything they could take.

70
00:06:21,827 --> 00:06:24,876
We have to stop them first!

71
00:06:26,907 --> 00:06:29,990
The thieves swarmed
among the remains of the plane.

72
00:06:30,227 --> 00:06:33,310
There is a danger that
important evidence disappears.

73
00:06:33,467 --> 00:06:38,552
We were afraid that they were
key parts taken away by people

74
00:06:38,707 --> 00:06:43,792
who do not understand at all
how important is this evidence.

75
00:06:46,067 --> 00:06:51,107
Burnt wreckage was lying around
on 2.6 km2 of difficult terrain.

76
00:06:52,707 --> 00:06:57,713
Evidence was found of
disintegration of the plane during the flight.

77
00:06:58,027 --> 00:07:03,112
The most important parts,
cockpit, tail and fuselage of the plane,

78
00:07:03,267 --> 00:07:08,352
they were far from each other so
we concluded that they did not fall together.

79
00:07:09,627 --> 00:07:13,711
Large area of remains
confirms the researcher's theory.

80
00:07:15,227 --> 00:07:19,357
"Boeing 767" broke up in
air, not when it fell to the ground.

81
00:07:20,107 --> 00:07:22,996
What is the cause of this?

82
00:07:23,187 --> 00:07:28,227
It sounded like an explosion. - Witnesses
they say the plane exploded.

83
00:07:29,627 --> 00:07:32,869
It was falling while it was on fire.

84
00:07:33,829 --> 00:07:37,390
The evidence points to
disturbing possibility.

85
00:07:37,629 --> 00:07:42,635
The crash of the plane is the result of sabotage.

86
00:07:46,669 --> 00:07:52,630
It was speculated that he was
it's about a terrorist act.

87
00:07:53,949 --> 00:07:56,315
Dan Chang, Thailand

88
00:07:57,229 --> 00:08:01,359
I'm glad you've arrived.
I'll show you what we have.

89
00:08:01,509 --> 00:08:05,673
This is Fred. - "Boeing" sent
his researcher to Thailand.

90
00:08:05,829 --> 00:08:10,789
Kevin Darcy knows the plane very well.
He helped with its creation.

91
00:08:10,989 --> 00:08:15,653
He thinks he can
to be about sabotage.

92
00:08:15,814 --> 00:08:19,056
It is unusual for an accident to happen

93
00:08:19,214 --> 00:08:23,332
during the first part of the flight.

94
00:08:24,333 --> 00:08:29,737
I thought it was true
about a sabotage or a missile.

95
00:08:32,133 --> 00:08:35,216
Only three months have passed
since the western forces

96
00:08:35,373 --> 00:08:39,503
ousted Saddam Hussein
from Kuwait in the Gulf War.

97
00:08:40,453 --> 00:08:45,299
Investigators are considering revenge.
A terrorist attack on an easy target.

98
00:08:45,453 --> 00:08:47,739
Airplane of "Lauda Air" company.

99
00:08:48,173 --> 00:08:53,224
When you start having such thoughts
to attack, it is difficult to get rid of them.

100
00:08:53,380 --> 00:08:56,861
But he must focus on the evidence.

101
00:08:57,820 --> 00:09:01,540
The passenger list offers a clue.

102
00:09:04,900 --> 00:09:11,021
One of the passengers was a counselor
to combat drug abuse.

103
00:09:11,620 --> 00:09:16,387
Donald MacIntosh assisted
Thai people in the fight against heroin.

104
00:09:17,100 --> 00:09:23,221
Maybe they are power dealers who rule
He blames the accident with the golden triangle.

105
00:09:24,380 --> 00:09:29,579
The investigators begin the painstaking process
search for explosive remnants.

106
00:09:33,539 --> 00:09:38,670
Niki Lauda does not accept lightly
the theory of a terrorist act.

107
00:09:39,060 --> 00:09:42,109
He is coming to Thailand to check it out.

108
00:09:42,540 --> 00:09:47,625
I decided to go to the place
accidents and find out what happened.

109
00:09:49,140 --> 00:09:51,586
That's what I did.

110
00:09:52,300 --> 00:09:57,545
Where did you find the tail? Never
I didn't see the wreckage of the plane.

111
00:10:00,460 --> 00:10:05,102
That was one of the
the scariest pictures I've seen.

112
00:10:06,620 --> 00:10:10,829
Surrounded by wreckage
the plane that bears his name

113
00:10:11,100 --> 00:10:14,661
Lauda is stunned
on the scale of the disaster.

114
00:10:16,140 --> 00:10:21,225
When 223 people die,
their families want to know why.

115
00:10:23,780 --> 00:10:29,468
It's much harder for them if they don't know
why they were left without a family member.

116
00:10:31,700 --> 00:10:35,704
Lauda is determined in his intention
to find out what happened.

117
00:10:35,860 --> 00:10:41,947
If my technicians are to blame
or pilots, I am responsible.

118
00:10:42,540 --> 00:10:44,826
I would resign immediately.

119
00:10:45,020 --> 00:10:49,229
His belief is based
on his own traumatic experience.

120
00:10:50,380 --> 00:10:53,383
During the "Grand Prix" in 1976.

121
00:10:54,540 --> 00:10:58,943
his Ferrari
crashed into the wall and caught fire.

122
00:11:05,540 --> 00:11:09,590
Lauda suffered burns
of the third degree of the head and body.

123
00:11:10,740 --> 00:11:13,061
He barely survived.

124
00:11:13,620 --> 00:11:16,589
I told myself I wouldn't die.

125
00:11:17,220 --> 00:11:22,590
Thank God, I survived. But
it was a hair's breadth. Not because of the burns,

126
00:11:22,740 --> 00:11:25,789
but due to lung damage.

127
00:11:27,340 --> 00:11:31,663
The lungs were injured because
was inhaling toxic gases.

128
00:11:33,100 --> 00:11:37,264
Despite the injuries, Lauda
missed only two races.

129
00:11:37,420 --> 00:11:40,867
Only 40 days after that
the doctors lost hope,

130
00:11:41,100 --> 00:11:44,308
and the priests knelt
beside his bed,

131
00:11:44,500 --> 00:11:48,300
the Austrian champion sat down
in a bright red "Ferrari".

132
00:11:48,460 --> 00:11:51,463
He's back on track
Six weeks later.

133
00:11:54,180 --> 00:11:58,184
The cause of his accident
was never discovered.

134
00:11:58,419 --> 00:12:01,741
Niki doesn't want it to happen again.

135
00:12:03,139 --> 00:12:05,425
After the plane crash

136
00:12:05,579 --> 00:12:11,302
could calm down

137
00:12:11,978 --> 00:12:15,459
only if he discovers it
really happened.

138
00:12:17,538 --> 00:12:19,938
It will not be easy to find the answers.

139
00:12:20,858 --> 00:12:25,500
The first evidence is already leading
doubt the bomb theory.

140
00:12:26,218 --> 00:12:29,938
If you suspect terrorism,

141
00:12:30,138 --> 00:12:35,940
first make sure the sections for
baggage damaged in any way.

142
00:12:36,378 --> 00:12:40,382
What kind of damage is it?
and whether there are traces of an explosion.

143
00:12:41,258 --> 00:12:43,419
I don't know.

144
00:12:43,738 --> 00:12:46,104
No charred parts.

145
00:12:46,258 --> 00:12:50,262
No external traces.
Doesn't look like an explosion to me.

146
00:12:50,498 --> 00:12:53,661
We found no evidence
about a terrorist act.

147
00:12:55,538 --> 00:13:00,623
Black boxes may contain
important clues about the cause of the decay,

148
00:13:00,778 --> 00:13:03,781
but they are very damaged.

149
00:13:04,738 --> 00:13:06,899
To extract the data,

150
00:13:07,058 --> 00:13:11,108
they have to send them to
sophisticated laboratory.

151
00:13:11,738 --> 00:13:15,868
Bob MacIntosh wants it
done by the Traffic Safety Office.

152
00:13:16,058 --> 00:13:19,107
They should be sent to Washington.

153
00:13:19,258 --> 00:13:21,579
The reason was obvious.

154
00:13:21,738 --> 00:13:26,300
The flight permit was approved by the American
Federal Aviation Administration,

155
00:13:26,458 --> 00:13:30,462
and the producer himself
of the plane is located in the USA.

156
00:13:32,418 --> 00:13:37,219
A few days after the fall and beyond
no main parts of the plane were found.

157
00:13:37,378 --> 00:13:39,744
Among them are engines.

158
00:13:40,138 --> 00:13:46,099
Find the remains
airplane was a big challenge.

159
00:13:46,338 --> 00:13:49,899
The terrain was steep and overgrown.

160
00:13:51,418 --> 00:13:56,299
We climbed the hill,
returned to the valley and found the left engine.

161
00:13:58,058 --> 00:14:00,583
Look at this!

162
00:14:01,978 --> 00:14:07,348
They saw something that made them whole
the aviation world was gripped by tingles.

163
00:14:16,278 --> 00:14:20,282
The researchers came to
a surprising discovery.

164
00:14:21,678 --> 00:14:26,718
Turn� thrust on the left
the engine is completely dislocated.

165
00:14:29,318 --> 00:14:33,368
When we saw that...

166
00:14:34,318 --> 00:14:40,086
I looked up. I didn't
expected that this could happen.

167
00:14:40,718 --> 00:14:44,438
Spinners help
when landing the engine.

168
00:14:44,778 --> 00:14:46,960
They turn the jet in the opposite direction
direction from the plane's movement

169
00:14:47,118 --> 00:14:49,928
to reduce its speed.

170
00:14:50,878 --> 00:14:53,881
Turn on the left
the engine disintegrated in the air.

171
00:14:54,838 --> 00:14:58,046
There is no doubt.
- Airplanes have built-in protection

172
00:14:58,198 --> 00:15:02,726
so that they do not dislocate
during the flight. If that happens,

173
00:15:02,878 --> 00:15:05,483
should not cause a crash.

174
00:15:05,638 --> 00:15:12,282
The majority thought yes
if it comes to that,

175
00:15:12,438 --> 00:15:16,408
he can still fly the plane.

176
00:15:17,238 --> 00:15:20,719
And that it can be landed.

177
00:15:21,678 --> 00:15:25,079
The test flights proved it.

178
00:15:26,518 --> 00:15:29,601
In order for the "Boeing 767"
got a license to fly,

179
00:15:29,758 --> 00:15:34,923
pilots had to prove they could
fly even after moving the spinner.

180
00:15:35,078 --> 00:15:41,039
I was on a test flight
when we just tested it.

181
00:15:47,998 --> 00:15:52,048
We felt strong
vibrations. And a lot of noise.

182
00:15:53,398 --> 00:15:56,447
But the plane could be controlled.

183
00:15:56,718 --> 00:16:00,279
They only felt
less height loss.

184
00:16:01,598 --> 00:16:06,968
"Boeing" received confirmation that
can safely continue the flight and land

185
00:16:07,158 --> 00:16:11,242
under any
by the position of the thrust dial.

186
00:16:13,278 --> 00:16:17,362
But he discovered a dislocated engine
spinners are so unusual

187
00:16:17,518 --> 00:16:21,568
that researchers must
conclude that it has something to do with the fall.

188
00:16:21,918 --> 00:16:26,002
How to move the spinner
can they crash a "Boeing 767"?

189
00:16:26,598 --> 00:16:32,685
We missed something.
-If it turns out to be true,

190
00:16:32,838 --> 00:16:37,127
the fatal implications of the shakedown
the entire aviation industry.

191
00:16:37,278 --> 00:16:41,362
Live hundreds of thousands
passengers may be in danger.

192
00:16:41,958 --> 00:16:45,200
We realized that it is
it's about something unusual

193
00:16:45,358 --> 00:16:48,566
and that a detailed analysis awaits us.

194
00:16:50,078 --> 00:16:54,526
Dislocated spinners are the hottest
are the clue that researchers have.

195
00:16:55,798 --> 00:16:59,848
But nobody understood
how they caused the fall.

196
00:17:00,118 --> 00:17:04,726
Why are they pilots?
lost steering control?

197
00:17:04,918 --> 00:17:08,968
It has been proven that such conditions

198
00:17:09,278 --> 00:17:14,318
can happen in the air
and that the plane can land.

199
00:17:15,078 --> 00:17:17,808
Washington, D.C.

200
00:17:19,558 --> 00:17:24,643
The researchers have to solve the problem
without the most precious tool.

201
00:17:26,438 --> 00:17:29,521
He is recording the data so badly

202
00:17:29,678 --> 00:17:33,808
that technicians cannot
extract no data.

203
00:17:34,758 --> 00:17:39,798
We were disappointed because it is
the data recorder was destroyed.

204
00:17:41,518 --> 00:17:47,002
But they had better luck with the recorder
voice. The fire did not completely damage it.

205
00:17:50,678 --> 00:17:53,124
Researchers on both sides of the world

206
00:17:53,278 --> 00:17:57,681
I can finally serve
the last moments on Flight 4.

207
00:18:00,638 --> 00:18:06,201
It was important for me to listen to the recording.
To understand things better.

208
00:18:06,998 --> 00:18:10,081
I needed answers. - V1.

209
00:18:10,918 --> 00:18:17,847
Rotation. - First officer
he was checking the instruments.

210
00:18:18,198 --> 00:18:21,281
The captain steered.

211
00:18:26,238 --> 00:18:28,604
Positive rate of climb.

212
00:18:28,758 --> 00:18:30,965
Pull in the undercarriage.

213
00:18:32,878 --> 00:18:36,848
He records that he is
take off was normal.

214
00:18:39,838 --> 00:18:44,320
Normal communication took place
among the people I knew.

215
00:18:45,478 --> 00:18:49,881
It was difficult for me. That
is the hardest part of my life.

216
00:18:51,758 --> 00:18:55,478
Flight level 310. Flight 4.

217
00:18:56,438 --> 00:19:00,329
Flight 4 climbed to
2133 m without problems.

218
00:19:03,118 --> 00:19:07,760
After a little more than five
minutes, the first sign of trouble appears.

219
00:19:10,758 --> 00:19:14,558
It's constantly on. - What's on?

220
00:19:16,938 --> 00:19:22,706
Warning. - The pilots noticed
warning that appeared.

221
00:19:24,658 --> 00:19:29,379
Is that a clue that �e
solve the puzzle of Flight 4?

222
00:19:33,218 --> 00:19:36,164
Washington, D.C.

223
00:19:37,994 --> 00:19:43,034
Investigators are listening to the conversation
about the cryptic warning.

224
00:19:43,474 --> 00:19:45,999
What does it say in the manual?

225
00:19:47,994 --> 00:19:52,237
"System failure can cause
rotor dislocation during flight.

226
00:19:52,394 --> 00:19:56,444
After landing it is expected
normal thrust operation." - Stop it.

227
00:20:02,434 --> 00:20:06,518
"System failure can
cause the spinner to dislocate."

228
00:20:06,674 --> 00:20:09,723
It is an isolation valve.

229
00:20:09,954 --> 00:20:14,516
The warning refers to the valve on
left engine thrust revolutions.

230
00:20:15,834 --> 00:20:20,874
A hydraulic valve controls the flow
hydraulic fluids to the turntable.

231
00:20:21,594 --> 00:20:25,644
When it is open, it turns� 
thrust can dislocate.

232
00:20:25,874 --> 00:20:29,924
When the valve is closed,
spins, stands still. - Okay.

233
00:20:31,114 --> 00:20:34,163
The crew is not worried.

234
00:20:35,554 --> 00:20:38,637
A warning that the crew saw

235
00:20:38,874 --> 00:20:42,867
it required no action.

236
00:20:43,147 --> 00:20:47,800
It just warned them

237
00:20:47,955 --> 00:20:52,039
to rotate and not
work on landing.

238
00:20:53,195 --> 00:20:55,516
All right. - They acted correctly.

239
00:20:55,755 --> 00:21:00,795
According to the instructions, they could
continue the flight. - Shall I ask control?

240
00:21:00,955 --> 00:21:04,163
Not. It's probably the humidity.

241
00:21:04,755 --> 00:21:10,045
It's not always on. It lights up
and shuts down. - The matter was not urgent.

242
00:21:10,475 --> 00:21:16,516
They discussed it. - That
is just a warning.

243
00:21:17,395 --> 00:21:23,163
They wanted to make sure it wasn't
something that will bother them in flight.

244
00:21:23,755 --> 00:21:26,918
Maybe it's humidity or something.

245
00:21:37,435 --> 00:21:41,519
Five minutes nothing
it doesn't happen. And then...

246
00:21:46,675 --> 00:21:49,963
The turn fell apart! - Christ!

247
00:22:03,795 --> 00:22:06,923
Damn it! - Captain
shouted "Damn it!"

248
00:22:07,515 --> 00:22:11,519
He lost control.

249
00:22:12,475 --> 00:22:17,481
The co-pilot is nothing
he said as the plane fell.

250
00:22:18,075 --> 00:22:22,444
It was obvious that
everything went very quickly.

251
00:22:22,875 --> 00:22:26,925
Because the pilots talk otherwise
about the problem that arises.

252
00:22:28,035 --> 00:22:32,995
Recording confirms that everything is happening
took off with incredible speed.

253
00:22:34,915 --> 00:22:40,603
Just 22 seconds after...
The plane was heard falling apart.

254
00:22:48,595 --> 00:22:51,405
It was very difficult for us.

255
00:22:51,995 --> 00:22:54,884
We will not forget that.

256
00:22:56,315 --> 00:23:02,322
Niki knew it wasn't about
airline company mistakes.

257
00:23:02,555 --> 00:23:06,559
It wasn't his
error or pilot error.

258
00:23:06,995 --> 00:23:11,955
Niki is convinced that it is
a dislocated turn� the cause of the fall.

259
00:23:12,115 --> 00:23:16,961
Niki was sure that
something is wrong with the system.

260
00:23:17,555 --> 00:23:20,638
He pressed "Boeing."

261
00:23:21,355 --> 00:23:26,395
I have them every day
pressed so that people would know

262
00:23:26,555 --> 00:23:31,959
to look for the cause of the fall
so that it doesn't happen again.

263
00:23:32,115 --> 00:23:35,562
This is the answer families needed.

264
00:23:38,875 --> 00:23:42,959
Bob McIntosh
returns to the place of fall

265
00:23:43,115 --> 00:23:47,404
in search of evidence that �e
explain what went wrong.

266
00:23:47,675 --> 00:23:52,635
To work. - He thought it existed
another way to get the data

267
00:23:52,795 --> 00:23:56,276
which he could not extract
from the damaged recorder.

268
00:23:57,675 --> 00:24:03,523
We took a few basic ones
tools such as pliers and screwdrivers.

269
00:24:03,675 --> 00:24:06,997
We went there
as quickly as we could.

270
00:24:07,395 --> 00:24:13,243
"Boeing 767" engines have
electronic control unit.

271
00:24:14,675 --> 00:24:18,725
MacIntosh hopes so
internal memory contains data

272
00:24:18,875 --> 00:24:22,925
about how the engines are
worked immediately before the fall.

273
00:24:23,875 --> 00:24:28,278
We found the electronic one
control unit.

274
00:24:28,435 --> 00:24:33,839
We wanted to get her out of the jungle immediately

275
00:24:33,995 --> 00:24:37,396
and take to the laboratory.

276
00:24:37,795 --> 00:24:39,922
Does he have a bag?

277
00:24:40,075 --> 00:24:43,636
It is a key question
can that data reveal

278
00:24:43,795 --> 00:24:48,118
why are the pilots suddenly
lost control of the plane?

279
00:24:52,819 --> 00:24:57,859
The researchers are one step closer
discovering the cause of the crash of Flight 4.

280
00:24:59,659 --> 00:25:04,346
They have key data from
electronic control units.

281
00:25:05,379 --> 00:25:09,429
We had the data
about the speed and height of the flight.

282
00:25:09,739 --> 00:25:13,379
Although we didn't have the exact time,

283
00:25:13,539 --> 00:25:18,545
the data revealed why
loss of control occurred.

284
00:25:21,059 --> 00:25:25,507
This attracts attention! - Data
they give MacIntosh a clearer picture

285
00:25:25,659 --> 00:25:30,665
about why the plane broke up in
in flight. It was flying under full power.

286
00:25:30,819 --> 00:25:33,902
The left engine suddenly turned.

287
00:25:36,539 --> 00:25:39,622
The turn fell apart! - Christ!

288
00:25:39,779 --> 00:25:46,230
After the co-pilot exclaimed,
it became stormy in the cockpit.

289
00:25:46,899 --> 00:25:50,346
The pilot is trying to correct the problem.

290
00:25:52,979 --> 00:25:56,142
The engines stopped working.

291
00:25:59,859 --> 00:26:04,148
Even the fuel flow is according to
the left engine was closed.

292
00:26:06,379 --> 00:26:12,466
In a few seconds the plane
plummeted towards the ground at the speed of sound.

293
00:26:14,699 --> 00:26:21,229
It is clear why the plane broke up.
-He was torn apart by the powerful speed.

294
00:26:21,979 --> 00:26:28,464
The plane was not designed
for such speeds.

295
00:26:29,019 --> 00:26:33,706
He can't take that much
aerodynamic load.

296
00:26:34,499 --> 00:26:37,627
The disclosure explains the statements of the witnesses.

297
00:26:38,019 --> 00:26:42,103
The explosion they heard happened
when the plane split in half.

298
00:26:42,299 --> 00:26:46,668
Fuel leaked from
tank and caught fire.

299
00:26:52,619 --> 00:26:55,986
Niki Lauda travels to
management of "Boeing" in Seattle.

300
00:26:58,619 --> 00:27:02,703
He wants to find out why there is a malfunction
which was not supposed to be dangerous

301
00:27:02,899 --> 00:27:06,619
killed 223 people on his plane.

302
00:27:06,899 --> 00:27:10,983
I know what he's talking about, but that's it
it didn't happen in Thailand.

303
00:27:11,139 --> 00:27:15,781
I told them it was about mine
name, my plane, my accident.

304
00:27:16,099 --> 00:27:21,105
They understood what we had in common
problem and we continued cooperation.

305
00:27:22,579 --> 00:27:27,619
Lauda's determination is reflected
The agility he showed as a driver.

306
00:27:28,019 --> 00:27:32,149
He always encouraged mechanics
to give him a small advantage.

307
00:27:32,299 --> 00:27:37,066
I realized that I need to work as much as possible
with engineers and mechanics

308
00:27:37,219 --> 00:27:42,987
to speed up my driving
during the race. That was the secret.

309
00:27:44,099 --> 00:27:46,943
Let's try it in the simulator.

310
00:27:47,099 --> 00:27:49,784
It was important to encourage "Boeing"

311
00:27:49,939 --> 00:27:54,979
because they were
the key to the whole case.

312
00:27:55,699 --> 00:28:00,910
Lauda reconstructs the flight
in the simulator. - Let's go.

313
00:28:02,179 --> 00:28:07,219
He wants to know why the pilots didn't
could do what they needed to do.

314
00:28:07,379 --> 00:28:10,382
Return control after
dislocation of the spinner.

315
00:28:10,539 --> 00:28:15,067
I am approaching 7315 m.
Speed 320 �vors.

316
00:28:16,699 --> 00:28:19,702
Jo� 30.48 m.

317
00:28:23,739 --> 00:28:26,219
It was incredible.

318
00:28:26,499 --> 00:28:30,105
The plane turned and
we couldn't do anything.

319
00:28:35,939 --> 00:28:39,067
I studied
each move several times.

320
00:28:39,219 --> 00:28:42,541
I discovered that the pilots
they could not do anything.

321
00:28:42,699 --> 00:28:47,341
Lauda's tests showed that
the pilots on Flight 4 did not have time

322
00:28:47,499 --> 00:28:50,627
take measures to save themselves.

323
00:28:50,859 --> 00:28:54,420
Strong turn to the right.
Automatic gas off.

324
00:28:54,579 --> 00:28:58,629
Thrust control lever
is at rest. Left engine shut down.

325
00:28:58,779 --> 00:29:01,031
The pilot has only 4 to 6 seconds

326
00:29:01,180 --> 00:29:05,230
to take control of the plane

327
00:29:05,380 --> 00:29:08,383
to make the plane
returned to a certain height.

328
00:29:09,295 --> 00:29:13,072
And before that he must� 
understand what is happening!

329
00:29:13,225 --> 00:29:16,274
In six seconds? Good luck.

330
00:29:17,465 --> 00:29:23,108
There is no time. Plane
it begins to fall at a tremendous speed.

331
00:29:25,418 --> 00:29:28,103
The turn fell apart! - Christ!

332
00:29:28,258 --> 00:29:33,662
It's clear. Dislocation
the turntable is not a harmless malfunction.

333
00:29:34,378 --> 00:29:36,539
The consequences can be fatal.

334
00:29:36,738 --> 00:29:38,979
The company "Boeing",

335
00:29:39,138 --> 00:29:42,539
Federal
aviation administration

336
00:29:42,698 --> 00:29:49,422
and airlines became
it is clear that this is a big problem.

337
00:29:50,258 --> 00:29:54,740
The discovery has startling implications.
Investigators must find out

338
00:29:54,898 --> 00:29:59,301
why did the turn dislocate.
Aircraft manufacturers claim

339
00:29:59,458 --> 00:30:02,507
that this should not happen.

340
00:30:02,778 --> 00:30:08,546
Soon it was obvious that he was dislocated
turn caused the plane to fall.

341
00:30:08,898 --> 00:30:12,982
However, we needed to know the exact cause

342
00:30:13,178 --> 00:30:17,660
in order to in the future
planes were safer.

343
00:30:18,018 --> 00:30:22,068
The pilots lost
control and they couldn't get it back.

344
00:30:26,018 --> 00:30:28,907
Let's find out why it happened.

345
00:30:29,738 --> 00:30:32,138
To move
rotated and dislocated,

346
00:30:32,298 --> 00:30:36,746
two separate valves
they must be open.

347
00:30:37,138 --> 00:30:41,825
The isolation valve controls
hydraulic fluid flow.

348
00:30:42,418 --> 00:30:47,458
But only when it dislocates
another valve that controls the direction,

349
00:30:47,618 --> 00:30:50,382
movable rotors are also dislocated.

350
00:30:50,538 --> 00:30:55,578
Investigators wonder if it is another
valve changed position.

351
00:30:56,338 --> 00:30:58,863
Valve that controls the direction

352
00:30:59,018 --> 00:31:04,672
became a key part which
the team of researchers should analyze.

353
00:31:05,503 --> 00:31:08,631
But they couldn't find him.

354
00:31:09,143 --> 00:31:13,034
They probably took him with
the place falls taken by thieves.

355
00:31:13,303 --> 00:31:17,353
The valve was golden in color.

356
00:31:17,583 --> 00:31:22,145
Maybe someone thought it was valuable

357
00:31:22,300 --> 00:31:26,270
so he took it and sold it.

358
00:31:26,865 --> 00:31:29,834
We have to find the valve.

359
00:31:29,985 --> 00:31:33,989
That is our priority. Only.

360
00:31:34,905 --> 00:31:37,988
They offered a monetary reward.

361
00:31:38,345 --> 00:31:42,509
We really wanted to know
why did they turn and open.

362
00:31:42,660 --> 00:31:47,541
The valve was a part
hydraulic and electronic equipment

363
00:31:47,700 --> 00:31:50,703
who could reveal it to us.

364
00:31:50,860 --> 00:31:53,511
Seattle, Washington

365
00:31:53,660 --> 00:31:57,903
Nine months after the accident
the move with the prize paid off.

366
00:31:58,060 --> 00:32:02,303
The investigators finally got it
what they needed most.

367
00:32:02,820 --> 00:32:05,550
Valve that controls the direction.

368
00:32:05,820 --> 00:32:08,869
Someone came to collect the prize.

369
00:32:09,020 --> 00:32:11,909
He brought the valve

370
00:32:12,060 --> 00:32:18,943
who soon reached the
lab in Seattle.

371
00:32:23,021 --> 00:32:29,017
The investigators want to find out in which one
the position of the bio valve during the fall.

372
00:32:30,811 --> 00:32:35,896
In one position he says
spinners so they don't move.

373
00:32:36,051 --> 00:32:40,613
In the second he tells them
to dislocate.

374
00:32:49,011 --> 00:32:53,687
Several screws were unscrewed, and
some parts are not in place.

375
00:32:54,565 --> 00:33:00,606
As soon as you see it, you know you don't have it
all the evidence you need.

376
00:33:02,005 --> 00:33:05,133
They found dirt in the valve.

377
00:33:05,405 --> 00:33:10,206
A clear sign that someone opened it
and carelessly reassembled.

378
00:33:12,325 --> 00:33:15,419
Big blow to the investigation.

379
00:33:17,058 --> 00:33:21,381
We were disappointed.
When we got the valve,

380
00:33:21,538 --> 00:33:25,338
we knew that someone was opening it.

381
00:33:27,854 --> 00:33:30,300
Engineers need to find another way

382
00:33:30,454 --> 00:33:34,174
in order to find out what happened
happened with Flight 4.

383
00:33:39,934 --> 00:33:44,974
Niki Lauda continues the investigation
to find out why the Flight 4 pilots

384
00:33:45,134 --> 00:33:47,785
they could not save the plane.

385
00:33:48,174 --> 00:33:53,578
A simulated flight showed that
the plane only loses 10% of its climb

386
00:33:53,734 --> 00:33:57,101
if it turns and pushes
accidentally dislocate.

387
00:33:58,454 --> 00:34:03,494
Trust me. That they lost
only 10% climb, they would survive.

388
00:34:04,374 --> 00:34:07,901
Lauda compares
flight conditions during the simulation

389
00:34:08,054 --> 00:34:12,218
with the conditions in which they were
its pilots at the time of the accident.

390
00:34:12,374 --> 00:34:15,138
A startling discovery is made.

391
00:34:15,294 --> 00:34:20,425
In the simulation, the plane flew at
relatively low height. 3000 m.

392
00:34:21,974 --> 00:34:27,185
Not tested at higher altitudes.
And that's the big difference.

393
00:34:28,294 --> 00:34:32,060
That is why the manual was not correct.

394
00:34:33,974 --> 00:34:36,898
Flight 4 flew twice as fast

395
00:34:37,054 --> 00:34:40,899
and on more than
twice the height,

396
00:34:41,134 --> 00:34:45,457
where it is due to rarefied air
it is much more difficult to maintain buoyancy.

397
00:34:46,814 --> 00:34:53,344
We started to believe that
was the wing the cause of the plane crash.

398
00:35:01,782 --> 00:35:04,865
Engineers think
to just one scenario

399
00:35:05,022 --> 00:35:09,026
towards which it would move
could rotate and dislocate in the air.

400
00:35:09,182 --> 00:35:14,427
Two key valves had to
accidentally activate at the same time.

401
00:35:14,942 --> 00:35:18,184
The isolation valve had to be opened

402
00:35:18,422 --> 00:35:24,463
and the controlling valve
direction on the left engine.

403
00:35:25,857 --> 00:35:30,021
Investigators cannot
find out how it happened.

404
00:35:30,217 --> 00:35:34,665
Until they know that, they can't
prevent it from happening again.

405
00:35:35,257 --> 00:35:40,945
A series of combinations
we need to take into account.

406
00:35:42,337 --> 00:35:47,343
For example relay and O-ring failure.

407
00:35:50,423 --> 00:35:56,111
Or a shorter line or
dirt in the valve.

408
00:35:56,943 --> 00:36:01,073
That could be done together
create an unwanted dislocation.

409
00:36:05,943 --> 00:36:09,583
Engineers can
activate one valve or another,

410
00:36:09,783 --> 00:36:13,833
but not both at the same time.

411
00:36:18,543 --> 00:36:23,503
They will frustrate her when
you spend a lot of time and effort

412
00:36:23,663 --> 00:36:26,712
and you want to find out what happened.

413
00:36:27,863 --> 00:36:31,583
And you can't find the key evidence.

414
00:36:32,023 --> 00:36:36,073
Strange accidents can
destroy small airlines.

415
00:36:36,663 --> 00:36:39,951
Niki Lauda does not want to allow that.

416
00:36:40,104 --> 00:36:43,312
He lost a quarter of his fleet in an accident.

417
00:36:43,462 --> 00:36:47,023
He needs a new one
plane to keep his job.

418
00:36:47,182 --> 00:36:51,232
Its competitive
spirit was his asset.

419
00:36:51,662 --> 00:36:55,905
He did not accept answers
like: "That's not possible."

420
00:36:56,702 --> 00:36:59,865
He found it in France
a plane that didn't fly.

421
00:37:00,022 --> 00:37:03,423
In a few weeks
it became part of his fleet.

422
00:37:03,582 --> 00:37:06,904
I took the "Boeing
767" from Paris to Vienna

423
00:37:07,062 --> 00:37:12,944
to replace the broken one
plane and continued with flights.

424
00:37:15,622 --> 00:37:20,707
Running an airline is more difficult than
triple Formula 1 victory.

425
00:37:20,862 --> 00:37:26,311
Business challenges are enormous.

426
00:37:29,982 --> 00:37:35,466
The tests finally paid off.
Engineers make an important discovery.

427
00:37:36,702 --> 00:37:42,151
They managed to cause a double malfunction
which accidentally dislocated the swivel.

428
00:37:45,902 --> 00:37:48,632
We managed to activate the system

429
00:37:48,822 --> 00:37:53,862
by introducing a short circuit.

430
00:37:54,582 --> 00:37:58,632
Both valves will be
are close to each other.

431
00:37:58,862 --> 00:38:04,585
A failure in a few lines could
cause simultaneous short circuits.

432
00:38:06,382 --> 00:38:09,829
Because they are women
badly damaged in an accident,

433
00:38:09,982 --> 00:38:14,112
it cannot be revealed what
caused a short circuit.

434
00:38:16,022 --> 00:38:19,503
Shit. - It doesn't turn off.

435
00:38:20,462 --> 00:38:24,546
The theory explains
intermittent warnings in the cockpit.

436
00:38:24,704 --> 00:38:28,697
Shall I ask control? - No,
humidity is probably to blame.

437
00:38:29,014 --> 00:38:33,098
It also explains
dislocation of the thrust rotor.

438
00:38:44,534 --> 00:38:50,257
Two short circuits in
two valves at the same time?

439
00:38:51,214 --> 00:38:53,546
What a coincidence.

440
00:38:54,546 --> 00:38:57,549
The turn fell apart! - Christ!

441
00:39:04,466 --> 00:39:08,630
I got upset because
something happened

442
00:39:08,786 --> 00:39:11,789
What the pilots could not prevent.

443
00:39:13,666 --> 00:39:17,716
We found that it is
dislocation during flight

444
00:39:17,866 --> 00:39:21,916
something that can be done
happen when you least expect it.

445
00:39:23,066 --> 00:39:27,947
It's for the airline
industry was a true enlightenment.

446
00:39:29,266 --> 00:39:34,351
We could not allow the planes
they fly with the possibility of that happening.

447
00:39:40,543 --> 00:39:44,912
It's our accident
learned the next lesson.

448
00:39:45,063 --> 00:39:50,069
Spinal dislocation can be severe
serious at high speed and altitude.

449
00:39:51,943 --> 00:39:58,428
Other companies were also wondering
how will it affect flying

450
00:39:58,583 --> 00:40:01,632
to the point where he loses control.

451
00:40:01,783 --> 00:40:05,071
The answer to that question
takes us back to the 1970s.

452
00:40:05,383 --> 00:40:09,467
In order to increase
the effect of fuel consumption,

453
00:40:09,623 --> 00:40:14,583
they placed the engines closer
leading edge of the wing.

454
00:40:15,263 --> 00:40:22,271
In "Boeing 767" engines
are close to the wings and are much larger.

455
00:40:23,023 --> 00:40:27,107
That is why the effect is negative
thrust on "Boeing 767"

456
00:40:27,263 --> 00:40:31,871
stronger than the same on "Boeing 747".

457
00:40:33,503 --> 00:40:36,586
The design has also changed
negative thrust.

458
00:40:36,743 --> 00:40:40,747
The old models had paddles
on the back of the engine

459
00:40:40,903 --> 00:40:44,430
which directed the air
near the lower part of the wing.

460
00:40:44,583 --> 00:40:48,349
New models directed
air closer to the front.

461
00:40:49,623 --> 00:40:53,912
To find out how the changes are
affected the aerodynamic climb,

462
00:40:54,063 --> 00:40:57,510
NASA has done a series
special test flights.

463
00:40:59,543 --> 00:41:05,584
In the "DC-8" plane, pilots fly on
at the same height and speed as Lauda's plane.

464
00:41:09,383 --> 00:41:12,386
Then they dislocate the thrust rotors.

465
00:41:14,383 --> 00:41:17,546
They're going. - The results are dramatic.

466
00:41:20,183 --> 00:41:24,267
They lost 25% lift.

467
00:41:25,863 --> 00:41:28,104
Due to so much loss of buoyancy

468
00:41:28,263 --> 00:41:33,223
pilots can't
control the rate of tilt.

469
00:41:34,863 --> 00:41:38,947
If one turns� dislocates
while the three engines work normally,

470
00:41:39,103 --> 00:41:44,985
the plane is falling at high speed.
Almost 2750 m per minute.

471
00:41:47,183 --> 00:41:51,506
The test flight reveals why
Flight 4 lost so much lift.

472
00:41:54,383 --> 00:41:59,264
Modern design has disrupted
smooth air flow over the wings,

473
00:41:59,423 --> 00:42:02,108
and this reduces buoyancy.

474
00:42:03,063 --> 00:42:07,511
The results have changed surprisingly
are commercial aviation.

475
00:42:08,743 --> 00:42:13,351
Dislokacija tijekom leta
it is no longer considered harmless.

476
00:42:14,503 --> 00:42:20,112
Even if both valves open
during the flight, because of the new pads

477
00:42:20,263 --> 00:42:23,232
the swivel will not dislocate.

478
00:42:23,823 --> 00:42:27,145
Stru�njaci �irom
svijeta pobrinuli su se

479
00:42:27,303 --> 00:42:34,232
to install systems for
protection in all existing planes

480
00:42:34,383 --> 00:42:38,467
te u svaki avion
proizveden nakon toga.

481
00:42:40,263 --> 00:42:43,744
Dakle Lauda se nije
should be blamed for the accident.

482
00:42:44,903 --> 00:42:48,873
Sve je to utjecalo
na mene. Kao pilota.

483
00:42:49,023 --> 00:42:54,108
To me ponukalo da �to
rather I find out what happened.

484
00:42:55,263 --> 00:43:00,951
A sports hero who conquered
priority, he protected the lives of passengers.

485
00:43:02,303 --> 00:43:06,831
Niki is for himself
wanted to clarify the matter.

486
00:43:07,343 --> 00:43:12,633
And of course because
of all future passengers.

487
00:43:13,783 --> 00:43:18,550
"Lauda Air" planes were still flying
nine years after the accident.

488
00:43:18,703 --> 00:43:22,594
They joined in 2000
company "Austrian Airlines".

489
00:43:23,143 --> 00:43:26,192
The worst thing is the gray areas.

490
00:43:27,143 --> 00:43:29,623
I hate them.

491
00:43:30,183 --> 00:43:35,223
Many accidents in
you don't know the cause of the past.

492
00:43:39,143 --> 00:43:43,591
In this case, we
thank God, they discovered the exact cause.

493
00:43:46,703 --> 00:43:50,628
We have improved
system in all planes.

494
00:43:51,143 --> 00:43:55,227
And that's the only good thing
resulted from this terrible accident.

495
00:43:57,086 --> 00:44:03,091
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