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What Is The Number 1 Thing That Cause Accident?  
User currently offlinePalladium From Indonesia, joined Apr 2005, 270 posts, RR: 0
Posted (10 years 1 week 4 days 22 hours ago) and read 5120 times:

I was just wondering, since the very first commercial plane took off back long time ago until today, what is the number one or ultimate problem that cause the aircraft into crash / accident? (in overal view)

is it :

1. Bad Weather
2. Poor Maintenance (safety)
3. Pilot / Human error ( this include ATC )
4. Technical Failure
5. others.....

Well I know that 90 percent of the time of the accident happened during take off or landing.... but really what can cause them to crash.......

I tried to read the accident database on airdisaster.com on the statistic section it seems that bad weather is the number one cause leading to aircraft accident...what do you guys think?

18 replies: All unread, jump to last
User currently offlineEDDM From Germany, joined Feb 2005, 222 posts, RR: 0
Reply 1, posted (10 years 1 week 4 days 18 hours ago) and read 5045 times:

Quoting Palladium (Thread starter):
what is the number one or ultimate problem that cause the aircraft into crash / accident?

The ground.

User currently offline727EMflyer From United States of America, joined Mar 2005, 547 posts, RR: 0
Reply 2, posted (10 years 1 week 4 days 18 hours ago) and read 5037 times:

Human error is by far the biggest factor. Think beyond just the big commercial crashes we always hear about and look into some GA accidents. I don't know how many times I've been reading a report and had to shake my head in dismay because it says something to the effect of "pilot with 500+ hours ran out of fuel," or "commercial pilot crashed on climbout... aircraft was x pounds out of weight & balance specs." There are a lot of other ways to commit human error too. ATC has been known to clear one airplane onto the runway when another aircraft is on short final. I know of one double human error occasion, the midair collision over (germany?) between a russian charter and a DHL 757... the controller ignored the two flights for a long time, then gave a bad last minute avoidance commands to the both aircraft, whose collision avoidance systems made the proper recommendation. The pilots chose to listen to ATC, but had either one used their own equipment the accident would have been averted.

Even some weather related accidents can be attributed to human error. Some pilots don't seem to be able to stay within their own personal limits and chose to fly despite adverse conditions, or to continue a flight even though the weather has deteriorated. Likewise a lot of faulty maintence can count as human error. Take the case of the 757 which crashed into the pacific off Peru after a mx taped over a static port to clean the surrounding area but never removed the tape, therefore disabling the pitot/static system: No one inspecting the aircraft caught the tape (since the worker used a difficult to see duct tape instead of a highly reflective product prescribed by boeing), then the pilots relied on ATC to tell them their altitude, ignoring the fact that ATC gets alt. from their own transponder... which in turn gets it from the failed static system!

Yes, computers and mechanicals will fail, but like the DPE who awarded my my ticket warned: Pilots are dumb!

User currently offlineAR1300 From Argentina, joined Feb 2005, 1750 posts, RR: 2
Reply 3, posted (10 years 1 week 4 days 16 hours ago) and read 5020 times:




You are now free to move about the cabin
User currently offlineSeptember11 From United States of America, joined May 2004, 3623 posts, RR: 19
Reply 4, posted (10 years 1 week 4 days 13 hours ago) and read 5006 times:

1) bad luck

2) unpredictable events leading to accident

Airliners.net of the Future
User currently offlineHAWK21M From India, joined Jan 2001, 31796 posts, RR: 55
Reply 5, posted (10 years 1 week 3 days 23 hours ago) and read 4980 times:

Series of errors in sequence.

Think of the brighter side!
User currently offlineSkywatch From United States of America, joined Mar 2005, 923 posts, RR: 5
Reply 6, posted (10 years 1 week 3 days 21 hours ago) and read 4971 times:

I think it would have to be maintenance and technical problems. That's my guess. The most incidents seem to occur during pushback though! Someone is always bumping into another aircraft it seems.


------Forever Watchin' The Sky------
User currently offlineBCAL From United Kingdom, joined Jun 2004, 3384 posts, RR: 14
Reply 7, posted (10 years 1 week 3 days 21 hours ago) and read 4962 times:

Quoting Skywatch (Reply 6):
I think it would have to be maintenance and technical problems

Are not maintenance and technical problems human error too?


MOL on SRB's latest attack at BA: "It's like a little Chihuahua barking at a dying Labrador. Nobody cares."
User currently offlineSamair From United Kingdom, joined Feb 2005, 216 posts, RR: 0
Reply 8, posted (10 years 1 week 3 days 7 hours ago) and read 4937 times:

the number 1 thing that caused avation accidents :

the captain has now dimmed the lights for take off this is a routine procedure for flights during the hours of darkness!
User currently offlineLeigh pilgrim From United Kingdom, joined Dec 2000, 392 posts, RR: 0
Reply 9, posted (10 years 1 week 3 days 1 hour ago) and read 4927 times:

Human Error,

The aircraft is fit and healthy, it takes human error to make it 'unhealthy'

User currently offlineGhostRider From Pakistan, joined May 2007, 0 posts, RR: 0
Reply 10, posted (10 years 1 week 3 days 1 hour ago) and read 4925 times:

Human Error

Go to www.airdisaster.com and look at all past aviation accidents, human error is by far the leading cause.

User currently offlineAlphafloor From Chile, joined Jun 2004, 1277 posts, RR: 37
Reply 11, posted (10 years 1 week 2 days 17 hours ago) and read 4911 times:

The big bang of the universe is cause number one.  Wink

Seriously... humans of course.


User currently offlineLTBEWR From United States of America, joined Jan 2004, 13559 posts, RR: 17
Reply 12, posted (10 years 1 week 2 days 15 hours ago) and read 4906 times:

I would say human error or misjudgement combined with other factors like weather or mechanical failures. This can be further contributed by financial pressures to meet schedules and hold down costs from delays.
As to weather, past experiences, improved technology to sense potential high risk weather (including microbursts, downdrafts, unusual winds) is reducing in many locations those risks. However, as we recently seen in the AF crash landing in Toronto and in Peru with the TAMS crash, having insufficient information about or misjudging weather conditions probably were added factors of those crashes.
As to mechanical, the Helios crash in Greece is probably due to a series of mechanical failures, (depressurization failure combined with a possible faulty emergency O2 system for the cockpit) but also possible misjudgment by the co-pilot to drop the a/c to a safe level more quickly. The AA 587 crash of Nov. 12, 2001 is hotly debated here as to causes including structural failure, rudder control design issues by Airbus, poor judgment of pilots in operating the rudder perhaps due to training errors, combined with wake turbulance from a 747 that had taken off just before it.
As noted above, poor judgment of pilots can be in a number of ways. About 6-7 years ago, a FedEx DC-10 arriving at EWR crashed upon landing and became a write off (crew survived). This was at the end of a long overnight flight, so one has to consider being tired, jet lagged and related factors causing an hard or crash landing. The NW crash at DTW a number of years ago was due to improper flap settings by the pilot. The KAL 007 flight disaster has a high probability of improper settings of the autopilot and the failure of he pilots to notice or correct their error.
Failure of pilots or inexperience with a particular a/c or airport can also add to the problem. In February, when a bizjet crashed at Teterboro airport, questions were raised about the balance and overall weight on the a/c, something that should have been the responsibility of the pilot/co-pilot.
Lack of knowlege of and general inexperience dealing with hazy conditions probably led to the crash by John F. Kennedy, Jr. in his a/c.
Mechanical failures or weather rarely itself causes a crash, but since humans are behind the stick or yoke, then you will have that as a factor.

User currently offlineFriendlySkies From United States of America, joined Aug 2004, 4131 posts, RR: 5
Reply 13, posted (10 years 1 week 2 days 14 hours ago) and read 4905 times:

People...even if it's not pilot error, the mechanical error is usually traced back to, well, a mechanic.

User currently offlineJumboJim747 From Australia, joined Oct 2004, 2465 posts, RR: 41
Reply 14, posted (10 years 1 week 1 day 20 hours ago) and read 4883 times:
Support Airliners.net - become a First Class Member!

Or almost always lends a hand

On a wing and a prayer
User currently offlineReidYYZ From Kyrgyzstan, joined Sep 2005, 537 posts, RR: 0
Reply 15, posted (9 years 12 months 6 hours ago) and read 4825 times:

Quoting EDDM (Reply 1):
The ground

Rapidly approaching ground

Quoting JumboJim747 (Reply 14):
Or almost always lends a hand

ALWAYS-much like all deaths can be attributed to one and only one event, lack of blood to the brain. That's what a card in Trivial Pursuit said-and they wouldn't lie.

User currently offlineNIKV69 From , joined Dec 1969, posts, RR:
Reply 16, posted (9 years 11 months 4 weeks 1 day 23 hours ago) and read 4812 times:

Pilot Error ranks as the first and weather is second.

User currently offlineBackfire From Germany, joined Oct 2006, 0 posts, RR: 0
Reply 17, posted (9 years 11 months 4 weeks 1 day 21 hours ago) and read 4807 times:

Quoting Palladium (Thread starter):
what is the number one or ultimate problem that cause aircraft to crash

Poor memories.

There are no new accidents. Only those which wouldn't have happened again if people had learned the lessons last time around.

User currently offlineHAWK21M From India, joined Jan 2001, 31796 posts, RR: 55
Reply 18, posted (9 years 11 months 4 weeks 1 day 8 hours ago) and read 4800 times:

Pilot Error
Mx Related
Bad Weather


Think of the brighter side!
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