Dealing with Unreliable Speed at Recurrent Training
Capt. Roman HurychFlight Chief Instructor
April 28th, 2010
Unreliable Speed
• Our decision to deal with unreliable speed
• The contents of the session
• How the crews were doing
• An incident on our flight
– What happened
– Desription of flight and events
– Lesson learned
– Conclusion?
Unreliable Speed
1. Decision to deal with unreliable speed
• Unexpected tragedy over the Atlantic Ocean
• How are the crews trained? – Type rating only?
Is That Sufficient?
Unreliable Speed
2. The Contents of The Session• Regular flight from Prague to Moscow
• Briefing
• Informing all pilots about the contents of the session
• Recommended documentation• Presentation
• FCOM
• QRH
• FCTM
Unreliable Speed
2. The Contents of The Session
• Briefing
– Unreliable speed presentation, memory items
– Crew preparation of the flight
• Flight Figures
ZFW: 56 197kg Fuel: 13300kg TOW: 69397kg
ZFW CG: 32,99% TOW CG: 30,68%
PAX: 141
Conf. 1+F Engine A/I: OFF
Flex 59 V1 155 VR 155 V2 156
Unreliable Speed
2. The Contents of The Session
• Flight Figures
MEL Item: APU Inop.
Low Oil level before the flight
• Weather
LKPR: 030/4 10 km BKN 4300 20/11 QNH 1021
UUEE: 200/2 kt 10 km BKN 3600 23/14 QNH 1012
Unreliable Speed
2. The Contents of The Session
• Flight
– Normal take off
– Passing FL100 – Loss of STBY pitot
– Avoiding frequent thunderstorms
– Reaching FL370 - Airspeed chanell ADR fault 1+2
__________________________________________________________
– Emergency declared
– Decision to return back to Prague
– Descent and preparation for approach and landing
Unreliable Speed
3. How the Crews were doing?
– Very professional performance at most cases
– Predicting something what was not happening
Unreliable Speed
4. An Incident On Our Flight
– Regular flight from Prague to Moscow
– Crew of Three – Line Training Flight
– Trained Captain as PF
Unreliable Speed
4. An Incident On Our Flight
– Normal Take Off
Unreliable Speed
4. An Incident On Our Flight
– Normal Take Off
Unreliable Speed
4. An Incident On Our Flight
– Climb out
Unreliable Speed
4. An Incident On Our Flight
Unreliable speed
Unreliable speed
• What have we learned?
• Any conclusion?
– Experienced instructor in the cockpit
– His experience from the simulator sessions
– NOT EACH PILOT HAS THE SAME CHANCE
• THINK OF SESSION LIKE THIS FOR YOUR PILOTS
Unreliable speed
Not much time to findthe proper values.
THINK ABOUT IT
Unreliable speed
Unreliable speed
Unreliable speed
Unreliable speed
Unreliable speed
Unreliable speed
What will be next?
LOFT – Dual Engine Failure
…..shortly I´ll start working on next presentation
Thank you for your attention
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