# NTSB ANC89LA002: Piper PA-11, N4724M, Levelock, AK, October 2, 1988

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: October 2, 1988, 15:45 local (23:45 UTC)
- Place: Levelock, AK
- Coordinates: 59.290302, -156.650207 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=59.2903&lon=-156.6502&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report July 10, 1989
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5133
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC89LA002
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5133/pdf
- Page: https://openairdocs.org/ntsb/ANC89LA002

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - aircraft handling - improper, unqualified person (cause)
  - stall - not understood, unqualified person (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE AIRPLANE WAS AT APPROXIMATELY 250 TO 300 FEET ABOVE SEA LEVEL, AND WAS EXECUTING A 360 DEGREE TURN TO THE LEFT WHEN THE AIRPLANE STALLED AND CRASHED IN THE RIVER. THE PILOT REPORTED THAT HE HAS NEVER HELD A FAA PILOT OR MEDICAL CERTIFICATE.

## Aircraft

- Registration: [N4724M](https://openairdocs.org/aircraft/N4724M), registered now, S/N 11-236, built 1947 (OpenAirDocs)
- Reported make and model: PIPER PA-11
- Registry model: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 11236
- Engines: CONTINENTAL A-65 65 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: George V. Wilson
- Airworthiness certificate: Standard, Normal

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; seat: front; flight hours: 100 total, 60 in this make and model, 100 as pilot in command, 10 in the last 90 days, 5 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 52 °F, dew point 46 °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 19881002043579A](https://openairdocs.org/incident/19881002043579A), Oct 2, 1988: Piper PA11, Levelock, AK, Substantial damage. Stalled and nosed over on impact in a river while trying to land on a sand bar. Pilot had no medical or license.

## Other investigations on N4724M (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 ANC87LA044](https://openairdocs.org/ntsb/ANC87LA044), Mar 5, 1987: Piper PA-11 (N4724M), Nenana, AK, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.