ASN Wikibase Occurrence # 362233
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| Date: | Wednesday 7 April 1993 |
| Time: | 19:15 LT |
| Type: |  Cessna 182M |
| Owner/operator: | Calderwood; Mcmullin; Smith |
| Registration: | N71654 |
| MSN: | 18259705 |
| Year of manufacture: | 1969 |
| Engine model: | CONTINENTAL O-470-R |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Hamilton, MT -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Missoula, MT (KMSO) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AFTER ABOUT 15 MIN OF FLIGHT, THE PILOT DESCENDED FROM HIS CRUISE ALTITUDE OF 6,000 FT MSL TO 4,600 FT MSL PRIOR TO ENTERING THE TRAFFIC PATTERN. HE EXECUTED A 360 FOR SPACING, ENTERED DOWNWIND, AND PERFORMED HIS PRE-LANDING CHECKLIST. ACCORDING TO THE PILOT, HE DID NOT APPLY CARBURETOR HEAT UNTIL HE WAS ESTABLISHED ON FINAL AND HAD SELECTED FULL FLAPS, REDUCED POWER TO 15 IN MP, AND ADVANCED THE PROPELLER FULL FORWARD. WHEN THE CARBURETOR HEAT WAS SUPPLIED, THE ENGINE EXPERIENCED A 'SEVERE/SIGNIFICANT' POWER LOSS. THE AIRPLANE TOUCHED DOWN HARD IN SOFT TERRAIN SHORT OF THE RUNWAY AND FLIPPED OVER. THE OWNERS MANUAL 'LET-DOWN' CHECKLIST CALLS FOR CARBURETOR HEAT TO BE APPLIED 'IF ICING CONDITIONS EXIST.' IN THE EXISTING WEATHER CONDITIONS, SEVERE CARBURETOR ICING COULD OCCUR AT GLIDE POWER.
Probable Cause: THE PILOT'S IMPROPER USE OF CARBURETOR HEAT. A FACTOR WHICH CONTRIBUTED TO THE ACCIDENT WAS THE CARBURETOR ICING CONDITIONS.
Accident investigation:
 |
|
Sources:
NTSB SEA93LA090
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Mar-2024 19:13 | ASN Update Bot | Added |
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