# NTSB ANC92FA006: Beech BE-99, N299GL, Allakaket, AK, October 19, 1991

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Field investigation · Final report
- Date: October 19, 1991, 14:43 local (22:43 UTC)
- Place: Allakaket, AK
- Coordinates: 66.570419, -152.949508 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=66.5704&lon=-152.9495&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 9 uninjured
- Status: Completed, report July 13, 1993
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5638
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC92FA006
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5638/pdf
- Page: https://openairdocs.org/ntsb/ANC92FA006

## Probable cause

WAS THE PILOT-IN-COMMAND MISJUDGED THE PROPER TOUCHDOWN POINT ON THE RUNWAY.  CONTRIBUTING TO THE ACCIDENT WAS THE SNOW-COVERED TERRAIN AND A SNOWBANK.

## Analysis

THE AIRPLANE CRASHED SHORT OF THE RUNWAY BY 340 FEET.  AFTER TOUCHDOWN ON THE SNOW-COVERED TUNDRA, THE AIRPLANE SKIDDED FOR 1,000 FEET BEFORE COMING TO REST ON THE LEFT SIDE OF THE RUNWAY.  THE WEATHER WAS PARTIAL OBSCURED WITH 5 MILES OF VISIBILITY IN BLOWING SNOW.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Undershoot, landing - flare/touchdown
  - terrain condition - snow covered (contributing factor)
  - proper touchdown point - misjudged, pilot in command (cause)
- Loss of control - on ground/water, landing - roll
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - snowbank (contributing factor)

## Aircraft

- Registration: [N299GL](https://openairdocs.org/deregistered/N299GL-2013-08-21), registration cancelled 2013-08-21, S/N U-102, built 1969 (OpenAirDocs)
- Reported make and model: Beech BE-99
- Registry model: [Beech 99](https://openairdocs.org/model/beech-99) (registry code 1154002) (OpenAirDocs)
- Registry engine: [Pratt & Whitney Canada PT6A-60A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (registry code 52043, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Serial number: U102
- Airframe hours: 34379
- Engines: P&W PT-6-A27 680 horsepower turbo prop
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Northern Air Lease, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Continuous airworthiness, October 18, 1991, 5 hours before
- Departed: FAI, FAIRBANKS, AK
- Flight plan: VFR
- Airport: AET, Allakaket, runway 35, 3,020 × 100 ft, snow

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; airline transport, flight engineer, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 17,653 total, 293 in this make and model, 16,609 as pilot in command, 230 in the last 90 days, 90 in the last 30 days, 6 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 5 statute miles
- Lowest ceiling: none
- Temperature: 23 °F, dew point 16 °F
- Altimeter: 29.00 inHg

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19911019047099A](https://openairdocs.org/incident/19911019047099A), Oct 19, 1991: Beech 99, Allakaket, AK, Substantial damage. Landed short of snow covered runway,left gear collapsed on hitting grass mound. Edge of runway hidden by snow cover

## Other investigations on N299GL (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA99LA003](https://openairdocs.org/ntsb/SEA99LA003), Oct 17, 1998: Beech 99 (N299GL), Missoula, MT, substantial damage. Probable cause: The pilot-in-command's delayed remedial action in response to the co-pilot's improper landing flare, and the co-pilot's application of excessive (full nose-up) trim during the landing flare as taught…

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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