# NTSB ANC88LA040: Piper PA-22, N3100Z, Anchorage, AK, March 23, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 23, 1988, 19:15 local (23:15 UTC)
- Place: Anchorage, AK
- Coordinates: 70.099555, -149.869567 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=70.0996&lon=-149.8696&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 30, 1989
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4994
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC88LA040
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4994/pdf
- Page: https://openairdocs.org/ntsb/ANC88LA040

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - terrain condition - icy (contributing factor)
  - terrain condition - rough/uneven (contributing factor)
  - directional control - not maintained, pilot in command (cause)
  - terrain condition - snow covered (contributing factor)
- Nose over, landing - roll

## Analysis

AFTER TOUCHDOWN ON A FROZEN LAKE, THE AIRCRAFT ROLLED APPROXIMATELY 100 FEET AND AT THAT POINT THE PILOT LOST DIRECTIONAL CONTROL AND THE AIRCRAFT NOSED OVER ON ITS BACK.

## Aircraft

- Registration: [N3100Z](https://openairdocs.org/deregistered/N3100Z-2013-09-24), registration cancelled 2013-09-24, S/N 22-7037, built 1959 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-160](https://openairdocs.org/model/piper-pa-22-160) (registry code 7102214) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 227037
- Airframe hours: 2012
- Engines: LYCOMING O-320-B2B 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Richard D. Crain
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 28, 1987, 7 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 209 total, 130 in this make and model, 150 as pilot in command, 3 in the last 90 days, 1 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 60 statute miles
- Lowest ceiling: none
- Temperature: 28 °F, dew point 19 °F
- Altimeter: 30.00 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 19880323007909A](https://openairdocs.org/incident/19880323007909A), Mar 23, 1988: Piper PA22160, Anchorage, AK, Substantial damage. Collided with a snowbank and flipped inverted while landing on a snow covered frozen lake.

## Other investigations on N3100Z (2)

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 ANC98LA133](https://openairdocs.org/ntsb/ANC98LA133), Aug 28, 1998: Piper PA-22 (N3100Z), Arctic Village, AK, substantial damage. Probable cause: The pilot's delayed action to abort the landing. Factors associated with the accident were a tail wind, and rising terrain.
- [NTSB ANC81FAA14](https://openairdocs.org/ntsb/ANC81FAA14), May 15, 1981: Piper PA-22 (N3100Z), Fairbanks, 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.

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