# NTSB ANC86FA111: Piper PA-18, N7156Z, Anchorage, AK, July 20, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Field investigation · Final report
- Date: July 19, 1986, 21:38 local (Jul 20, 1986, 05:38 UTC)
- Place: Anchorage, AK
- Coordinates: 61.18925, -149.940063 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.1893&lon=-149.9401&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (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): 4599
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86FA111
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4599/pdf
- Page: https://openairdocs.org/ntsb/ANC86FA111

## Sequence of events

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

- Loss of control - in flight, landing - flare/touchdown
  - weather condition - crosswind (contributing factor)
  - flight controls - improper use of, pilot in command (cause)
  - proper alignment - not maintained, pilot in command (cause)
  - ground loop/swerve - inadvertent, pilot in command (cause)
- Nose down, landing - roll

## Analysis

THE ACFT WAS NOT PROPERLY ALIGNED WITH THE RWY DURING LANDING TOUCHDOWN. THE ACFT TOUCHED DOWN IN A CRAB ATTITUDE. IT THEN GROUND LOOPED AND CAME TO REST ON THE LEFT WING TIP AND NOSE.

## Aircraft

- Registration: [N7156Z](https://openairdocs.org/aircraft/N7156Z), registered now, S/N 18-8270, built 1965 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18-8270
- Airframe hours: 3932
- Engines: LYCOMING O-320-B2B 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Jimmy Thurl Reese
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, April 29, 1986, 32 hours before
- Departed: LHD, ANCHORAGE, AK
- Airport: LHD, Lake Hood Strip, runway 13, 2,200 × 80 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: front; flight hours: 450 total, 450 in this make and model, 35 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 7 knots
- Visibility: 90 statute miles
- Lowest ceiling: none
- Temperature: 70 °F, dew point 50 °F
- Altimeter: 30.00 inHg
- Observed at: ANC, 1 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 19860719034679A](https://openairdocs.org/incident/19860719034679A), Jul 19, 1986: Piper PA18150, Anchorage______, AK, Substantial damage. The aircraft ground looped on landing. The pilot failed to properly align the aircraft and landed in a crab.

## Other investigations on N7156Z (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 ANC66D0053](https://openairdocs.org/ntsb/ANC66D0053), Aug 18, 1965: Piper PA-18 (N7156Z), Gulkana, AK, destroyed

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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