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Forum: Tech Log

8th Oct 2011, 22:20

Replies: 71

A320 and the Miracle on the Hudson

Views: 19,565

Posted By Ashling

Check your PM's

Check your PM's

Forum: Tech Log

6th Oct 2011, 11:30

Replies: 71

A320 and the Miracle on the Hudson

Views: 19,565

Posted By Ashling

However, when in normal law, regardless of the...

However, when in normal law, regardless of the pilot's input, the computers will prevent excessive maneuvers and exceedance of the safe envelope in pitch and roll axis.Taken from the flight control...

Forum: Tech Log

4th Oct 2011, 19:38

Replies: 71

A320 and the Miracle on the Hudson

Views: 19,565

Posted By Ashling

Phugoid oscillations are to do with short term...

Phugoid oscillations are to do with short term longnitudinal stability in this case. Its another way of explaining why its easy to over control close to the stall and end up in the stall. Ever...

Forum: Tech Log

1st Oct 2011, 08:02

Replies: 71

A320 and the Miracle on the Hudson

Views: 19,565

Posted By Ashling

There is a difference between theory and practise...

There is a difference between theory and practise which is why Alpha Prot damps the input, if required, to prevent overshooting the max value.

You cannot flare an aircraft with the energy levels...

Forum: Tech Log

30th Sep 2011, 20:14

Replies: 71

A320 and the Miracle on the Hudson

Views: 19,565

Posted By Ashling

The issue with the flare was the speed control...

The issue with the flare was the speed control prior to it that led to the aircraft entering Alpha Prot at 150ft. At impact the aircraft was at 125kts config 2 (F speed would have been about 150kts)...

Forum: Tech Log

13th Sep 2011, 13:32

Replies: 71

A320 and the Miracle on the Hudson

Views: 19,565

Posted By Ashling

In 11 of the 12 runs, the touchdown flightpath...

In 11 of the 12 runs, the touchdown flightpath angle ranged between -1.5° and -3.6° (the touchdown flightpath angle achieved on the accident flight was -3.4°). In 1 of these 12 runs, a -0.2°...

Forum: Tech Log

13th Sep 2011, 12:57

Replies: 71

A320 and the Miracle on the Hudson

Views: 19,565

Posted By Ashling

Conf I've in excess of 12,000 hrs, flown Mil...

Conf

I've in excess of 12,000 hrs, flown Mil Fast Jet, instructed, and flown civil Boeing and Airbus. I think I know what a flare is by now. Thank you very much.

The aircraft max performed,...

Forum: Tech Log

13th Sep 2011, 09:23

Replies: 71

A320 and the Miracle on the Hudson

Views: 19,565

Posted By Ashling

Conf Sully, and his crew, did a great job on...

Conf

Sully, and his crew, did a great job on the day. No one, least of all me, wants to take away from that. However that does not mean they did everything perfectly and so it is perfectly...

Forum: Tech Log

12th Sep 2011, 16:16

Replies: 71

A320 and the Miracle on the Hudson

Views: 19,565

Posted By Ashling

From the NTSB report pages 97/98 The A320...

From the NTSB report pages 97/98

The A320 alpha-protection mode incorporates features that can attenuate pilot sidestick pitch inputs. Because of these features, the airplane could not reach the...

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