ASN Wikibase Occurrence # 367236
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| Date: | Thursday 29 March 1990 |
| Time: | 12:50 LT |
| Type: |  Cessna 150 |
| Owner/operator: | William Lee Laflen |
| Registration: | N61272 |
| MSN: | 15070933 |
| Year of manufacture: | 1969 |
| Engine model: | LYCOMING O-320-E2A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Birchwood, AK -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | (Z15) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE ON FINAL APCH TO PRACTICE A TOUCH-&-GO LANDING, THE PLT NOTICED AN INCREASE IN THE ACFT'S RATE OF DSCNT. HE ADVANCED THE THROTTLE TO CORRECT THE RATE OF DSCNT, BUT THE ENG DID NOT RESPOND. HE THEN APPLIED FULL THROTTLE, BUT THERE WAS STILL NO RESPONSE. THE ACFT TOUCHED DOWN SHORT OF THE RWY ON SNW COVERED TERRAIN IN VARIABLE WIND CONDS & THENOSE GEAR COLLAPSED. JUST BEFORE TOUCHDOWN, THE MAIN GEAR HIT THE TOP OF THE PERIMETER FENCE, WHICH RESULTED IN MINOR DAMAGE TO THE FENCE. AN EXAM OF THE ENG REVEALED NO MECHANICAL REASON FOR A MALFUNCTION. THE ACFT WAS EQUIPPED WITH A SUPPLEMENTAL TYPE CERTIFICATE, WHICH ALLOWED FOR THE USE OF AUTOMOTIVE FUEL. IT WAS BEING OPERATED WITH AUTOMOTIVE FUEL, WHEN THE ACDNT OCCURRED. THE TEMP & DEW POINT WERE 40 & 37 DEG, RESPECTIVELY, WHICH WERE CONDUCIVE TO CARBURETOR ICE. THE PLT RPRTD THAT HE HAD THROTTLED BACK TO 2100 RPM ON DOWNWIND, THEN ON BASE LEG, HE THROTTLED BACK TO 1600 RPM & APPLIED CARBURETOR HEAT.
Probable Cause: CARBURETOR ICE DUE TO THE PILOT'S IMPROPER USE OF THE CARBURETOR HEAT. FACTORS RELATED TO THE ACCIDENT WERE: CARBURETOR ICING CONDITIONS, UNFAVORABLE WIND, AND THE SNOW COVERED TERRAIN.
Accident investigation:
 |
|
Sources:
NTSB ANC90FA046
History of this aircraft
Other occurrences involving this aircraft
| 12 July 1992 | N61272 | Private | 0 | Palmer, AK | |
sub |
| 22 August 1994 | N61272 | Private | 0 | Talkeentna, AK | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Mar-2024 12:12 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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