Status: | Accident investigation report completed and information captured |
Datum: | Samstag 31 August 1974 |
Zeit: | 12:50 |
Flugzeugtyp: |  Learjet 25B |
Fluggesellschaft: | Colorado Flying Academy |
Kennzeichen: | N366AA |
Werknummer: | 25-151 |
Baujahr: | 1974 |
Besatzung: | Todesopfer: 3 / Insassen: 3 |
Fluggäste: | Todesopfer: 1 / Insassen: 1 |
Gesamt: | Todesopfer: 4 / Insassen: 4 |
Sachschaden: | Zerstört |
Konsequenzen: | Written off (damaged beyond repair) |
Unfallort: | nahe Briggsdale, CO ( USA)
|
Flugphase: | Manövrieren (MNV) |
Betriebsart: | Ausbildungsflug |
Flug von: | Denver-Stapleton International Airport, CO (DEN/KDEN), USA |
Flug nach: | Denver-Stapleton International Airport, CO (DEN/KDEN), USA |
Unfallbericht:Lost control at FL174 when the instructor decided to introduce a runaway trim emergency to the student pilot who was on his 4th lesson for his type rating. The Learjet struck the ground in a 20-40deg nosedown attitude.
Probable Cause:
PROBABLE CAUSE:
misc-unable to retrim acft for undetermined reason
Informationsquelle:
» NTSB
Sicherheitsempfehlungen
NTSB issued 1 Safety Recommendation
Issued: 04-MAR-1975 | To: | A-75-10 |
ISSUE AN AIRWORTHINESS DIRECTIVE TO RELOCATE THE TRIM CUTOFF SWITCH ON THE LEARJET MODEL 25B TO A MORE ACCESSIBLE POSITION, SO THAT DURING MANIPULATION NEITHER PILOT WILL HAVE TO RELINQUISH CONTROL FORCES WHICH ARE NECESSARY TO ARREST RUNAWAY TRIM. (Closed - Unacceptable Action) |
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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.