# NTSB ANC84LA024: Cessna 402A, N4511Q, Kotlik, AK, December 13, 1983

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: December 13, 1983, 16:00 local (20:00 UTC)
- Place: Kotlik, AK
- Coordinates: 63.029922, -163.53984 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=63.0299&lon=-163.5398&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 7 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4263
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA024
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4263/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA024

## Analysis

DURING ARRIVAL, THE PLT LANDED ON THE FROZEN RIVER, WHICH WAS BEING USED IN LIEU OF THE KOTLIK AIRSTRIP. THE LANDING AREA ON THE RIVER WAS APRX 5000 FT LONG. AFTER TOUCHDOWN DURING THE LANDING, SOME SMALL CHILDREN HAD RUN ONTO THE DEPARTURE END OF THE LANDING AREA. THE PLT ELECTED TO GO AROUND. HE STATED THAT WHEN HE APPLIED POWER, THE RIGHT ENG DID NOT DELIVER FULL POWER. SUBSEQUENTLY, THE ACFT VEERED TO THE RIGHT, WENT OFF THE FROZEN RIVER & CAME TO REST IN AN AREA OF DENSE WILLOWS.

## Sequence of events

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

- Loss of engine power, landing
  - reason for occurrence undetermined, pilot in command (cause)
- Loss of control - on ground/water, landing
  - object - other person (contributing factor)
  - go-around - initiated, pilot in command
  - airport facilities,runway/landing area condition - icy (contributing factor)
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - inadvertent, pilot in command (cause)
- On ground/water encounter with terrain/water, landing
  - terrain condition - high vegetation (contributing factor)

## Aircraft

- Registration: [N4511Q](https://openairdocs.org/deregistered/N4511Q-1998-04-22), registration cancelled 1998-04-22, S/N 402A0011 (OpenAirDocs)
- Reported make and model: CESSNA 402A
- Registry model: [Cessna 402A](https://openairdocs.org/model/cessna-402a) (registry code 207590M) (OpenAirDocs)
- Category: Airplane
- Serial number: 402A-0011
- Airframe hours: 5895
- Engines: CONTINENTAL TSIO-520-E 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Seward Peninsula Flying Svc.
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, July 5, 1983, 89 hours before
- Departed: OME, NOME, AK
- Flight plan: Company VFR
- Airport: KOT, Kotlik

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; airline transport; airplane ratings: single-engine sea, single-engine land, multi-engine land; medical: class 2, unknown; seat: left; flight hours: 5,300 total, 115 in this make and model, 5,100 as pilot in command, 240 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 100° at 5 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 3 °F, dew point 3 °F
- Altimeter: 30.00 inHg
- Observed at: BET, 145 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 19831213060629A](https://openairdocs.org/incident/19831213060629A), Dec 13, 1983: Cessna 402A, Kotlik, AK, Substantial damage. Got a symmetrical thrust on a go around over a frozen river strip. Lost control. Landed in trees. No mechanical noted.

## Other investigations on N4511Q (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 IAD76II087](https://openairdocs.org/ntsb/IAD76II087), Jul 29, 1976: Cessna 402A (N4511Q), Charlotte, NC, incident, minor 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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