ASN Wikibase Occurrence # 363813
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| Date: | Monday 10 February 1992 |
| Time: | 18:15 LT |
| Type: |  Cessna 172N |
| Owner/operator: | Jsc Aircraft Service |
| Registration: | N737BY |
| MSN: | 17269302 |
| Total airframe hrs: | 3932 hours |
| Engine model: | LYCOMING O-320-YHH2AD |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Parshall, CO -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Kremmling, CO (20V) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE STUDENT PILOT DESCENDED 1000 FEET AND MADE A PRACTICE FLARE FOR LANDING OVER SNOW COVERED TERRAIN. WHEN THE THROTTLE WAS OPENED, THE ENGINE SPUTTERED. THE INSTRUCTOR SAID THEY DID NOT USE CARBURETOR HEAT BUT THE MIXTURE HAD BEEN LEANED. ADDITIONALLY, NEITHER STUDENT NOR INSTRUCTOR 'CLEARED THE ENGINE' DURING THE DESCENT. THE INSTRUCTOR SURMISED THE ENGINE HAD 'LOADED UP.' THE NOSE GEAR COLLAPSED IN THE DEEP SNOW.
Probable Cause: IMPROPER USE OF POWERPLANT CONTROLS BY THE DUEL STUDENT AND INADEQUATE SUPERVISION BY THE CFI. FACTORS WERE: CARBURETOR HEAT NOT USED, DEEP SNOW COVERED TERRAIN, AND CARBURETOR ICE CONDITIONS.
Accident investigation:
 |
|
Sources:
NTSB DEN92LA033
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Mar-2024 06:24 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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