# NTSB ANC85FA130: Piper PA-22/20, N3445Z, Alexander Lake, AK, July 18, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Field investigation · Final report
- Date: July 17, 1985, 20:00 local (Jul 18, 1985, 04:00 UTC)
- Place: Alexander Lake, 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): 4421
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC85FA130
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4421/pdf
- Page: https://openairdocs.org/ntsb/ANC85FA130

## 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)
  - terrain condition - rough/uneven (contributing factor)
- Nose over, takeoff - roll/run

## Analysis

THE PLT LOST DIRECTIONAL CONTROL OF THE ACFT DURING TAKEOFF AND THE ACFT ROLLED INTO ROUGH TERRAIN ALONG SIDE OF THE RWY WHERE IT NOSED OVER.

## Aircraft

- Registration: [N3445Z](https://openairdocs.org/deregistered/N3445Z-2012-10-03), registration cancelled 2012-10-03, S/N 22-7364, built 1960 (OpenAirDocs)
- Reported make and model: PIPER PA-22/20
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-7364
- Airframe hours: 2400
- Engines: LYCOMING O-320-B3B 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Michael Henry Lederhause
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 26, 1984, 52 hours before
- Departed: 7AK1, ALEXANDER LAKE, AK
- Destination: BGQ, BIG LAKE, AK
- Airport: 7AK1, Alexander Lake, runway 28, 1,600 × 30 ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 685 total, 650 in this make and model, 646 as pilot in command, 53 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 100 statute miles
- Lowest ceiling: none
- Temperature: 61 °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 19850717032219A](https://openairdocs.org/incident/19850717032219A), Jul 17, 1985: Piper PA22150, Alexander Lake, AK, Substantial damage. Aborted and lost control after going over dirt hump on runway. Tall grass and soft spot contributed to rollover

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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