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Planes come within 40 metres of head-on collision at IGI Airport (New Delhi, INDIA)
New Delhi: Close Shave For 350 Passengers As Miscommunication Almost Leads To Disaster A tragedy was averted on Tuesday morning when two aircraft came face to face on a taxiway at Indira Gandhi International Airport. The incident took place around 7.30am when IndiGo flight 6E-769 from Lucknow landed at runway 1028 and entered taxiway E2. At the same time, SpiceJet flight SG123 -operating from Delhi to Hyderabad sought permission to return to its bay for refuelling as it had been waiting for… (epaperbeta.timesofindia.com) Más...Sort type: [Top] [Newest]
A "head on collision" at taxiing speed or follow me?
Ya know, I heard there was a mid-isle collision on 7 the other day at Walmart. Seems the Hatfields and the McCoys were rushing from opposite ends of the isle for a "blue light special". Just as relevant in the 24/7 news cycle, and go to an old folks home, half those people can't "walk" 40 metres. Sorry Er.A.K. no words of wisdom here, other than "to Err is human" and the 24/7 news cycle says so. Unless you are one of them!
Dear friend matt jensen, with due humility and without any malice
I shudder to imagine two 100+ ton aircrafts each moving at 10(assumed) knots in poor visibility getting into a head on collision !
Like impact of 100+ tons a/c hitting a stone wall at 20 knots !
Please help me understand it as a student of science and engineering.
And keep in mind the basics , the Newton’s laws of motion .
Regards
I shudder to imagine two 100+ ton aircrafts each moving at 10(assumed) knots in poor visibility getting into a head on collision !
Like impact of 100+ tons a/c hitting a stone wall at 20 knots !
Please help me understand it as a student of science and engineering.
And keep in mind the basics , the Newton’s laws of motion .
Regards
Dear Mr.Mittal, the brakes on these airplanes will stop them in about 10 feet at 5 Knts. If you taxi much faster than 5 Knts. in a 1/4 mile vis. and fog, you are stupid.
Taxiing under 5 knots , understood.
ThanX
ThanX
The collision would not be like hitting a stone wall at 20 knots. It would be the same as hitting it at 10 knots, perhaps less, as the collapsing structure would absorb some of the energy that a stone wall wouldn't.
First of all let me correct myself about 'taxiing' speed being well under 5 knots and the braking ability to stop with in 10 to 15 feet.
Now coming to 20 knots (sum of the speeds of the two aircrafts) , kindly bear in mind the law of relative speeds.
I guess barring the 10 knots taxiing speed the rest is ok! It may also be understood in another (drastic) manner.
The momentum of a 100+ ton aircraft moving at 5 knots will be equal to a 1000 kg (2200 lbs ) car moving at 500 knots, (mass X velocity) ! And thus imagine the force of impact in each case, as far as the aircraft is concerned !
For calculating likely damage to passengers factors like resilience power of humans will have to be added which will act as shock absorber. Hence damage to humans in the two cases will differ.
But for the tin boxes , no change.
As ever, I'm open to correction/s .
Regards
Now coming to 20 knots (sum of the speeds of the two aircrafts) , kindly bear in mind the law of relative speeds.
I guess barring the 10 knots taxiing speed the rest is ok! It may also be understood in another (drastic) manner.
The momentum of a 100+ ton aircraft moving at 5 knots will be equal to a 1000 kg (2200 lbs ) car moving at 500 knots, (mass X velocity) ! And thus imagine the force of impact in each case, as far as the aircraft is concerned !
For calculating likely damage to passengers factors like resilience power of humans will have to be added which will act as shock absorber. Hence damage to humans in the two cases will differ.
But for the tin boxes , no change.
As ever, I'm open to correction/s .
Regards