# NTSB ANC86LA073: Piper PA-22-150, N5837D, Theodore River, AK, June 12, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 12, 1986, 14:30 local (22:30 UTC)
- Place: Theodore River, AK
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4675
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA073
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4675/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA073

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - not corrected, pilot in command (cause)
  - terrain condition - loose gravel/sandy
  - terrain condition - loose gravel/sandy
- On ground/water collision with object, takeoff - roll/run
  - object - tree(s)

## Analysis

THE PILOT STATED THAT DURING THE TAKEOFF ROLL HE LOST DIRECTIONAL CONTROL OF THE AIRCRAFT CAUSING THE AIRCRAFT TO STRIKE A ROW OF TREES.

## Aircraft

- Registration: [N5837D](https://openairdocs.org/deregistered/N5837D-1990-05-25), registration cancelled 1990-05-25, S/N 224516 (OpenAirDocs)
- Reported make and model: PIPER PA-22-150
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (OpenAirDocs)
- Category: Airplane
- Serial number: 224516
- Airframe hours: 1540
- Engines: LYCOMING O-320-A2B 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Richard Newton
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 2, 1986, 40 hours before
- Departed: MRI, ANCHORAGE, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; commercial; airplane ratings: single-engine land, single-engine sea, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 2,466 total, 110 in this make and model, 2,000 as pilot in command, 110 in the last 90 days, 50 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 80° at 5 knots
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 75 °F, dew point 39 °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 19860612029549A](https://openairdocs.org/incident/19860612029549A), Jun 12, 1986: Piper PA22150, Theodore River, AK, Substantial damage. Lost directional control during takeoff from gravel road. Swerved into a row of trees.

## Other investigations on N5837D (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 FTW66F0675](https://openairdocs.org/ntsb/FTW66F0675), May 20, 1966: Piper PA-22 (N5837D), Stilwell, OK, 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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