# NTSB ANC90LA017: Beech 18, N220H, Brevig Mission, AK, December 23, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 23, 1989, 16:50 local (20:50 UTC)
- Place: Brevig Mission, AK
- Coordinates: 65.339759, -166.510803 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=65.3398&lon=-166.5108&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 5, 1990
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5327
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC90LA017
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5327/pdf
- Page: https://openairdocs.org/ntsb/ANC90LA017

## Probable cause

LOSS OF POWER IN THE THE RIGHT ENGINE FOR AN UNKNOWN REASON.  THE ROUGH/UNEVEN TERRAIN WAS A CONTRIBUTING FACTOR.

## Sequence of events

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

- Loss of engine power, go-around (vfr)
  - 1 engine
  - reason for occurrence undetermined (cause)
- Forced landing, landing
- In flight collision with terrain/water, landing - flare/touchdown
  - terrain condition - rough/uneven (contributing factor)

## Analysis

THE PLT RPRTD THE RIGHT ENG BEGAN TO LOSE POWER, SO HE DIVERTED TO BREVIG, AK. DRG ARRIVAL, HE DID NOT LIKE THE APPROACH & ELECTED TO GO AROUND. HE STATED THAT AS HE WENT TO FULL POWER, THE RIGHT ENGINE 'QUIT ALTOGETHER.' THE PLT FEATHERED THE RIGHT PROP & RETRACTED THE GEAR & FLAPS, BUT WAS UNABLE TO KEEP THE ACFT FROM SETTLING TO THE GROUND. SUBSEQUENTLY, HE LANDED THE ACFT ON TUNDRA & IT WAS DAMAGED. NEITHER THE ACFT NOR THE ENGS WERE RECOVERED FROM THE ACDNT SITE.

## Aircraft

- Registration: [N220H](https://openairdocs.org/deregistered/N220H-1995-04-06), registration cancelled 1995-04-06, S/N BA609 (OpenAirDocs)
- Reported make and model: BEECH 18
- Registry model: [Beech G18S](https://openairdocs.org/model/beech-g18s) (registry code 1151010) (OpenAirDocs)
- Category: Airplane
- Serial number: BA609
- Airframe hours: 12759
- Engines: P&W R-985 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Bering Air, Inc
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, December 22, 1989, 2 hours before
- Departed: OME, NOME, AK
- Destination: TELLER, AK
- Airport: KTS, Brevig Mission, runway 4, 2,400 × 180 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 31; airline transport, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 10,563 total, 250 in this make and model, 9,763 as pilot in command, 300 in the last 90 days, 106 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 20 knots, gusting 25
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 5 °F, dew point 1 °F
- Altimeter: 30.00 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 19891223052879A](https://openairdocs.org/incident/19891223052879A), Dec 23, 1989: Beech G18S, Brevig, AK, Substantial damage. Engine lost power on approach, feathered but unable to make runway, crashed on tundra. Cause power loss unknown.

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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