# NTSB ANC84LA106: Piper PA-18-150, N99PJ, Anchorage, AK, June 28, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 27, 1984, 20:00 local (Jun 28, 1984, 04:00 UTC)
- Place: Anchorage, AK
- Location: 61.2181° N, 149.9003° W: Placed by OpenAirDocs: center of Anchorage, AK, within about 23 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.2181&lon=-149.9003&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4315
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA106
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4315/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA106

## Sequence of events

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

- Nose over, landing - roll
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - terrain condition - high vegetation (contributing factor)
  - terrain condition - soft (contributing factor)
  - terrain condition - wet (contributing factor)

## Analysis

THE PLT MADE AN OFF ARPT LANDING IN A SOFT FIELD CAMOUFLAGED BY TALL WEEDS & MARSH GRASS. HE THOUGHT THE TERRAIN WAS DRY, BUT THE SOIL WAS WET & SOFT, & AFTER A VERY SHORT ROLL, THE ACFT NOSED OVER.

## Aircraft

- Registration: [N99PJ](https://openairdocs.org/aircraft/N99PJ), registered now, S/N 18-7509141 (OpenAirDocs)
- Reported make and model: PIPER PA-18-150
- 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: 187509141
- Airframe hours: 845
- Engines: LYCOMING O-320-A2B 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Cameron Cooper
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, April 11, 1984, 74 hours before
- Departed: ANC, ANCHORAGE, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; commercial; airplane ratings: single-engine sea, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 504 total, 150 in this make and model, 386 as pilot in command, 74 in the last 90 days, 40 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 6 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 64 °F, dew point 14 °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 19840627029889A](https://openairdocs.org/incident/19840627029889A), Jun 27, 1984: Piper PA18150, Little Susitna, AK, Substantial damage. Landed in tall grass that hid a swampy area. Wheels sank in and aircraft nosed over.

## Other investigations on N99PJ (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 ANC94LA060](https://openairdocs.org/ntsb/ANC94LA060), May 23, 1994: Piper PA-18-150 (N99PJ), Pilot Point, AK, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN CONTROL OF THE AIRPLANE DURING TAKEOFF.

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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