Beechcraft BE-99 CFBCH
13 January 1989 · Fort Yukon, Alaska, United States · No injuries
Summary
On 13 January 1989 at about 21:12 local time, a Beechcraft BE-99 registered CFBCH was involved in an accident near Fort Yukon, Alaska, United States. 2 people were on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 21:12
- Classification
- Accident
- Location
- Fort Yukon, Alaska, United States
- Coordinates
- 66.5605, -145.2501
- Aircraft
- Beechcraft BE-99
- Registration
- CFBCH
- Category
- Airplane
- Engines
- 2
- Operator
- Not recorded
- Operating rule
- Part 129: Foreign
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Inuvik → Fairbanks
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Night/Bright
- NTSB number
- ANC89FA034
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
Probable cause
THE SEPARATION OF A SINGLE PROPELLER BLADE WHICH CAUSED THE DOWNWARD AND REARWARD DISPLACEMENT OF THE NUMBER TWO ENGINE.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
DURING CRUISE FLIGHT AT 8000 FEET ABOVE MEAN SEA LEVEL THE CO-PILOT NOTICED A 100 POUND TORQUE INCREASE ON THE NUMBER TWO ENGINE. DURING HIS ATTEMPT TO REDUCE THE TORQUE HE HEARD AN EXPLOSION, SAW SPARKS COME FROM THE NUMBER TWO ENGINE EXHAUST STACKS AND OBSERVED A SLOW TURNING PROPELLER AS THE ENTIRE ENGINE NACELLE DISAPPEARED BENEATH THE AIRPLANE. FULL POWER ON THE NUMBER ONE ENGINE ALLOWED THE CREW TO REDUCE THE RATE OF DESCENT TO 1,500 FOOT PER MINUTE AND THEY CRASH LANDED ON THE FROZEN RIVER. ON SITE EXAMINATION REVEALED ONE PROPELLER BLADE FROM THE NUMBER TWO ENGINE WAS MISSING AND THAT THE NUMBER TWO ENGINE HAD SEPARATED DURING THE IMPACT SEQUENCE. SUBSEQUENT METALLURGICAL EXAMINATION SHOWED A FATIGUE FRACTURE ON THE REMAINING STUB OF THE MISSING BLADE.
Quoted verbatim from the NTSB record.
Other Beechcraft BE-99 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 19 Oct 1991 | Beechcraft BE-99 | Allakaket, Alaska, United States | - | No injuries | - |
| 11 Oct 1985 | Beechcraft BE-99 | Albany, New York, United States | - | No injuries | - |
| 6 Feb 1985 | Beechcraft BE-99 | Putnam, Connecticut, United States | Bar Harbor Airways, Inc. | No injuries | - |
| 3 Jan 1984 | Beechcraft BE-99 | Galesburg, Illinois, United States | Britt Airways, Inc. | No injuries | - |
| 18 Apr 1982 | Beechcraft BE-99 | Asheville, North Carolina, United States | Wheeler Airlines | No injuries | - |
| 18 Aug 2004 | Beechcraft BE-99 | Neihart, Montana, United States | - | Fatal | 2 |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 9 Mar 1989 | Piper PA-32 | Kasigluk, Alaska, United States | - | No injuries | - |
| 9 Mar 1989 | Cessna 185E | Alexander Lake, Alaska, United States | - | No injuries | - |
| 16 Mar 1989 | Aeronca 15AC | Fairbanks, Alaska, United States | - | No injuries | - |
| 25 Mar 1989 | Cessna 180-A | Skwentna, Alaska, United States | - | No injuries | - |
| 12 Apr 1989 | Cessna 185 | Trinity Lake, Alaska, United States | - | No injuries | - |
| 17 Apr 1989 | Cessna 152 | Kenai, Alaska, United States | - | No injuries | - |