ASN Wikibase Occurrence # 369215
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| Date: | Friday 10 February 1989 |
| Time: | 11:45 LT |
| Type: | De Havilland DHC-3 |
| Owner/operator: | 40 Mile Air Ltd |
| Registration: | N5056Q |
| MSN: | 296 |
| Engine model: | P&W R-1340-59 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fairbanks, AK -
 United States of America
|
| Phase: | Take off |
| Nature: | Unknown |
| Departure airport: | Fairbanks, AK (FAI) |
| Eagle, AK (EAA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT RPRTD THAT BEFORE THE FLT, THE WINGS & STABILIZER WERE SWEPT, LEAVING A LAYER OF 'POLISHED' FROST. FREIGHT WAS LOADED & THE ACFT WAS SERVICED TO BRING THE FUEL LEVEL UP TO 120 GAL. AFTER START, TAXI & RUN-UP, THE PLT BEGAN HIS TAKEOFF FROM THE APPROACH END OF THE 10,300 FT RWY (WITH 35' MP & 2250 RPM). AT ABOUT 100 FT AGL, HE ADJUSTED THE POWER (TO 30' MP & 2000 RPM) & RAISED THE FLAPS TO CLIMB AT 82 KTS. HOWEVER, THE ACFT DID NOT CLIMB & WOULD NOT ACCELERATE IN LEVEL FLT. THE PLT INCREASED THE POWER (TO 31' MP & 2100 RPM), BUT HE BELIEVED THERE WAS A DEFINITE LOSS OF POWER. SUBSEQUENTLY, THE ACFT WAS DAMAGED WHEN THE PLT ABORTED THE TAKEOFF ON SNOW COVERED TERRAIN BEYOND THE END OF THE RWY. NO PRE-ACDNT PART FAILURE OR MALFUNCTION OF THE ACFT OR ENG WAS FOUND. AN INV REVEALED THE ENTIRE ACFT WAS COVERED WITH A COATING OF FROST. COMPANY RECORDS SHOWED THE EMPTY WEIGHT OF THE ACFT WAS 5088 LBS; THE ACFT'S ACTUAL EMPTY WEIGHT WAS 5285 LBS. AN FAA INSPECTOR CALCULATED THAT THE TAKEOFF GROSS WEIGHT EXCEEDED THE MAX LIMIT BY 130 LBS.
Probable Cause: FAILURE OF THE PILOT TO REMOVE FROST FROM THE AIRCRAFT. CONTRIBUTING FACTORS WERE: IMPROPER WEIGHT AND BALANCE AND SNOW COVERED TERRAIN.
Accident investigation:
 |
|
Sources:
NTSB ANC89FA043
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2024 12:03 | ASN Update Bot | Added |
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