ASN Wikibase Occurrence # 365297
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| Date: | Saturday 18 May 1991 |
| Time: | 10:50 LT |
| Type: |  Beechcraft C23 |
| Owner/operator: | Dakota Ridge Aviation, Inc. |
| Registration: | N6AL |
| MSN: | M-1421 |
| Total airframe hrs: | 2756 hours |
| Engine model: | LYCOMING O-360-A4G |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Boulder, CO -
 United States of America
|
| Phase: | Approach |
| Nature: | Executive |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE REAR SEAT PASSENGER SAID THE INSTRUCTOR LET THE FRONT SEAT PASSENGER MAKE THE TAKEOFF AND 'TALKED' HIM THROUGH THE PROCEDURE. SHORTLY AFTER LIFT OFF, BOTH PASSENGERS HEARD A 'WARNING BUZZER' SOUND THAT CONTINUED UNTIL GROUND IMPACT. THE INSTRUCTOR WAS SERIOUSLY INJURED AND COULD NOT RECALL ANY DETAILS OF THE ACCIDENT.
Probable Cause: INADVERTENT STALL/MUSH DUE TO THE PASSENGERS'S DELAY IN RELINQUISHING AIRCRAFT CONTROL, AND INADEQUATE SUPERVISION OF THE FLIGHT BY THE PILOT IN COMMAND. FACTORS WERE: MIXTURE NOT LEANED, AND A HIGH DENSITY ALTITUDE TAKEOFF WITH A SLIGHT QUARTERING TAILWIND.
Accident investigation:
 |
|
Sources:
NTSB DEN91FA072
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 08:41 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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