# NTSB ANC83LA011: Beech 50, N3582B, Quinhagak, AK, November 3, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 3, 1982, 12:00 local (16:00 UTC)
- Place: Quinhagak, AK
- Coordinates: 59.739322, -161.889663 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=59.7393&lon=-161.8897&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 3, 1983
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 72332
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC83LA011
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72332/pdf
- Page: https://openairdocs.org/ntsb/ANC83LA011

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, takeoff - initial climb
  - ignition system - inadequate (cause)
  - maintenance - inadequate, other maintenance personnel (cause)
  - propeller feathering - intentional, pilot in command (contributing factor)
- Forced landing, landing - flare/touchdown
- Complete gear collapsed, landing - flare/touchdown
  - gear extension - not performed, pilot in command (contributing factor)
  - wheels up landing - intentional, pilot in command (contributing factor)

## Analysis

LEFT ENGINE LOST POWER AFTER TAKEOFF. PILOT FEATHERED LEFT ENGINE AND RETURNED TO RUNWAY ON ONE ENGINE. SINCE HE WAS OVERSHOOTING HE ELECTED TO LAND ON GRASS WHEELS UP TO AVOID OVERRUN AND COLLISION WITH DITCH. THE FOLLOWING DISCREPANCIES WERE FOUND: EXHAUST VALVE LEAK #4 CYL; #1 CYL TOP PLUG GAP 0.000; #1 CYL LOWER IGNITION LEAD INTERNALLY SHORTED; #5 CYL SPARK PLUGS LOOSE; #2 CYL LOWER IGNITION LEAD SHIELD BROKEN & IGNITION WIRE EXPOSED; #4 CYL LOWER IGNITION LEAD CIGARETTE SPRING CUT & STRETCHED; #2,4 & 6 CYL UPPER IGNITION LEADS SHOWED OCCASIONAL OPEN; AND R/H MAG "P" LEAD INTERMITTENTLY GROUNDED INTERNALLY AT MAG CONNECTION.

## Aircraft

- Registration: [N3582B](https://openairdocs.org/deregistered/N3582B-2015-05-05), registration cancelled 2015-05-05, S/N CH-101, built 1954 (OpenAirDocs)
- Reported make and model: BEECH 50
- Registry model: [Beech B50](https://openairdocs.org/model/beech-b50) (registry code 1152506) (OpenAirDocs)
- Registry engine: [Lycoming GO-435C&D series](https://openairdocs.org/engine/lycoming-go-435c-d-series) (registry code 41521, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: CH-101
- Airframe hours: 4737
- Engines: LYCOMING GO-435-C2 260 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Operator: Don G. Porter
- Registered owner: Don G. Porter
- Departed: KWN, QUINHAGAK, AK
- Destination: BETHEL, AK
- Airport: KWN, Kwinhagak, runway 22, 2,100 × 75 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; flight hours: 10,846 total, 222 in this make and model, 10,726 as pilot in command, 85 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: variable at 3 knots
- Visibility: 30 statute miles
- Temperature: 79 °F

## 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 19821103059759A](https://openairdocs.org/incident/19821103059759A), Nov 3, 1982: Beech B50, Quinhagak, AK, Substantial damage. Pilot shut down engine on takeoff. Continued around pattern for landing and overshot runway causing crash.

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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