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Colgan Air 3407

Printed page 2. PDF page 16.

first officer briefed the airspeeds for landing with the flaps at 15� (flaps 15) as 118 knots (reference landing speed [Vref]) and 114 knots (go-around speed [Vga]), and the captain acknowledged this information. About 2156:26, the first officer stated, "might
Open final report at PDF page 16NTSB AAR-10/01: Loss of control on approach, Colgan Air 3407

Colgan Air 3407

Printed page 15. PDF page 29.

provided the accident flight crew with landing performance information, including a Vref of 118 knots, at 2153. A Colgan check airman explained that, in the remarks section of the data request screen, flight crews could enter the keyword "icing," which
Open final report at PDF page 29NTSB AAR-10/01: Loss of control on approach, Colgan Air 3407

Colgan Air 3407

Printed page 30. PDF page 44.

compared with the expected approach and reference speeds for the accident flight (flaps 15, 118 knots; flaps 15 in icing conditions, 138 knots) to determine if and when the accident airplane's actual airspeed was below either the applicable approach speed
Open final report at PDF page 44NTSB AAR-10/01: Loss of control on approach, Colgan Air 3407

Colgan Air 3407

Printed page 37. PDF page 51.

approximate landing weight of the accident airplane), and the airspeed bugs were set to 118 knots (Vref) and 114 knots (Vga). A clean airplane (no simulated ice) was used. FlightSafety personnel stated their belief that scenarios in which the airplane
Open final report at PDF page 51NTSB AAR-10/01: Loss of control on approach, Colgan Air 3407

Colgan Air 3407

Printed page 42. PDF page 56.

during icing conditions. � With flaps set at 15�, the Vref for the planned landing was 118 knots and a minimum of 138 knots (flaps 15 Vref speed plus 20 knots) during icing conditions. On March 18, 2009, Colgan issued
Open final report at PDF page 56NTSB AAR-10/01: Loss of control on approach, Colgan Air 3407

Colgan Air 3407

Printed page 82. PDF page 96.

Aircraft Accident Report performance data to the airplane at 2153:00, showing a Vref of 118 knots and a Vga of 114 knots, but these speeds were not appropriate for an airplane configured for flight in icing conditions. (If the first
Open final report at PDF page 96NTSB AAR-10/01: Loss of control on approach, Colgan Air 3407