ASN Aircraft accident Fokker F-27 Friendship 500 F-BYAH Rodez Airport (RDZ)
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Status:Accident investigation report completed and information captured
Date:Sunday 28 January 1979
Time:17:26
Type:Silhouette image of generic F27 model; specific model in this crash may look slightly different
Fokker F-27 Friendship 500
Operator:Air Rouergue
Registration: F-BYAH
MSN: 10570
First flight: 1978
Total airframe hrs:1704
Cycles:1366
Engines: 2 Rolls-Royce Dart 532-7R
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 3 / Occupants: 4
Total:Fatalities: 5 / Occupants: 6
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:17,4 km (10.9 mls) SE of Rodez Airport (RDZ) (   France)
Phase: Approach (APR)
Nature:Test
Departure airport:Rodez Airport (RDZ/LFCR), France
Destination airport:Rodez Airport (RDZ/LFCR), France
Narrative:
Fokker F-27 F-BYAH suffered aileron vibrations in flight. Modifications were made during December 1978 and January 1979. A test flight was planned on January 28. The airplane was flown by an Air Rouergue captain and co-pilot. Also present on board were a two engineers, a Fokker technician and an Air Alpes pilot.
Planned flight time was fifteen minutes at an altitude of FL70 near the RZ beacon. F-BYAH took off from runway 31 at 17:15. Two orbits were flown near the RZ beacon after which the crew positioned the plane for an approach to runway 31. The aircraft struck a cloud-shrouded mountain while turning towards runway heading in preparation for an ILS approach.

Probable Cause:

PROBABLE CAUSE: "Failure of the crew to level off at the prescribed altitude either due to inadequate monitoring when passing through 4400ft or an altimeter setting error by confusion between QNH and QFE. Other factors were a lack of flight preparation; non use of the radio altimeter and a possible CofG outside limits affecting the longitudinal maneuverability. Also, no approach card was evident in the cockpit for this aerodrome and the presence of an additional person on the flight deck may have distracted the crew."

Accident investigation:

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Investigating agency: BEA France
Status: Investigation completed
Accident number: Report f-ah790128
Download report: Final report

Classification:
Wrong altimeter setting
Controlled Flight Into Terrain (CFIT) - Mountain

Photos

photo of Fokker-F-27500-F-BYAH
accident date: 28-01-1979
type: Fokker F-27 Friendship 500
registration: F-BYAH
 

Map

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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