# NTSB ANC91FA094: Cessna U206C, N3941G, Nikiski, AK, July 10, 1991

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: July 9, 1991, 17:20 local (Jul 10, 1991, 01:20 UTC)
- Place: Nikiski, AK
- Location: 60.6903° N, 151.2889° W: Placed by OpenAirDocs: center of Nikiski, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=60.6903&lon=-151.2889&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report August 13, 1993
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5484
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC91FA094
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5484/pdf
- Page: https://openairdocs.org/ntsb/ANC91FA094

## Probable cause

POOR JUDGEMENT OF THE PILOT, DUE TO IMPAIRMENT FROM CONSUMPTION OF ALCOHOL, AND HIS FAILURE TO MAINTAIN ADEQUATE AIRSPEED, WHILE MANEUVERING DURING AN ABORTED LANDING (GO-AROUND).  FACTORS RELATED TO THE ACCIDENT WERE: THE OPEN CARGO DOOR, DISABLED FLAPS, AND THE PILOT'S DISTRACTION (DIVERTED ATTENTION).

## Sequence of events

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

- Loss of control - in flight, landing - aborted
  - judgment - poor, pilot in command (cause)
  - impairment(alcohol), pilot in command (cause)
  - impairment(drugs), pilot in command
  - door,cargo/baggage - open (contributing factor)
  - flight control,flap - disabled (contributing factor)
  - lowering of flaps - not possible
  - go-around - initiated
  - maneuver - abrupt, pilot in command
  - airspeed - inadequate, pilot in command (cause)
  - aircraft control - not maintained, pilot in command (cause)
  - diverted attention, pilot in command (contributing factor)
- In flight collision with object, landing - aborted
  - object - tree(s)

## Analysis

AFTER TAKING OFF FROM A BEACH WITH A HEAVY LOAD OF CLAMS, THE PILOT RADIOED THAT THE AIRPLANE'S CARGO DOOR HAD COME AJAR AND THE FLAPS WERE STUCK AT THE 10 DEGREE POSITION.  HE CONTINUED THE FLIGHT TO THE HOME STRIP.  AFTER A GO-AROUND AT THE 1900 FT HOME BASE STRIP, THE AIRPLANE WAS SEEN TO MAKE A STEEP LEFT, THEN A RIGHT TURN.  THE AIRPLANE THEN DESCENDED FROM WITNESSES VIEW AND CRASHED INTO A WOODED AREA.  THE LOWER LOCKING ROD OF THE AFT CARGO DOOR WAS FOUND TO BE BENT.  TESTS SHOWED THE PILOT'S BLOOD HAD AN ALCOHOL LEVEL OF 342 MG/DL (0.342%) AND HIS URINE HAD AN ALCOHOL LEVEL OF 246 MG/DL (0.246%).  ALSO, A METABOLITE OF NICOTINE AND DOXYLAMINE (AN OVER-THE-COUNTER ANTIHISTAMINE SLEEP-AID) WERE DETECTED IN THE PILOT'S BLOOD.  A 5000 FT RUNWAY WAS LOCATED LESS THAN A MILE FROM THE HOME BASE STRIP.

## Aircraft

- Registration: [N3941G](https://openairdocs.org/deregistered/N3941G-1994-10-17), registration cancelled 1994-10-17, S/N U2060941 (OpenAirDocs)
- Reported make and model: CESSNA U206C
- Registry model: [Cessna U206C](https://openairdocs.org/model/cessna-u206c) (registry code 2073332) (OpenAirDocs)
- Category: Airplane
- Serial number: U206-0941
- Airframe hours: 3878
- Engines: CONTINENTAL IO-520-F 300 horsepower reciprocating
- Damage: Destroyed
- Flight: Business, Part 91
- Operator: Dahmen Seafoods, Inc.
- Registered owner: Dahmen Seafoods, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Unknown, May 9, 1991, 118 hours before
- Departed: NONE, POLLY CREEK, AK
- Destination: NONE
- Flight plan: Company VFR
- Airport: NONE, Butler

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, expired; seat: left; toxicology performed; flight hours: 5,400 total, 600 in this make and model, 5,400 as pilot in command, 40 in the last 90 days, 10 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 330° at 6 knots
- Visibility: 40 statute miles
- Lowest ceiling: 18,000 ft overcast
- Temperature: 61 °F
- Altimeter: 29.00 inHg
- Observed at: ENA, 10 nm away

## 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 19910709026649A](https://openairdocs.org/incident/19910709026649A), Jul 9, 1991: Cessna U206C, Nikiski, AK, Substantial damage, 1 fatal. Pilot reported cargo door open on go around. Low and slow near gross weight stalled in steep bank. Alcohol involved

## Other investigations on N3941G (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 CHI70FGD13](https://openairdocs.org/ntsb/CHI70FGD13), Apr 2, 1970: Cessna U206C (N3941G), Cleveland, OH, substantial damage

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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