# NTSB ANC84LA155: Piper PA-20, N3500A, Anchorage, AK, September 5, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 4, 1984, 19:28 local (Sep 5, 1984, 03:28 UTC)
- Place: Anchorage, AK
- Coordinates: 61.220893, -149.850692 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.2209&lon=-149.8507&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4354
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA155
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4354/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA155

## 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
  - flare - improper, pilot in command (cause)
  - lack of total experience in type of aircraft, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - uncontrolled, pilot in command (cause)
  - flight controls - improper use of, pilot in command (cause)
  - procedures/directives - not followed, pilot in command (contributing factor)

## Analysis

THE ACFT RAN OFF THE RWY DURING LANDING. THE PLT SAID HE LOST CONTROL OF THE ACFT AND WENT ON THE GRASS FOR ABOUT 40 FT.THE REAR SEAT HAD BEEN REMOVED FOR CARGO. A 6 YEAR OLD BOY IN THE BACK OF THE ACFT WAS SEATED ON TOP OF ROPE AND CANS OFGAS AT THE TIME OF THE ACCIDENT. THE PLT SAID HE DID NOT THINK THAT A SEAT WAS NECESSARY FOR, 'WE FLY LIKE THAT ALL THE TIME, THIS IS ALASKA.'

## Aircraft

- Registration: [N3500A](https://openairdocs.org/aircraft/N3500A), registered now, S/N 22-1772, built 1953 (OpenAirDocs)
- Reported make and model: PIPER PA-20
- Registry model: [Piper PA-22-135](https://openairdocs.org/model/piper-pa-22-135) (registry code 7102206) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-1772
- Airframe hours: 2845
- Engines: LYCOMING O-320 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Norm Brown
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 14, 1983, 20 hours before
- Departed: Z22, WILLOW, AK
- Airport: MRI, Merrill, runway 33, 2,469 × 60 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 290 total, 14 in this make and model, 243 as pilot in command, 22 in the last 90 days, 16 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 290° at 4 knots
- Visibility: 90 statute miles
- Lowest ceiling: 20,000 ft broken
- Temperature: 59 °F, dew point 41 °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 19840904048839A](https://openairdocs.org/incident/19840904048839A), Sep 4, 1984: Piper PA22135, Anchorage, AK, Substantial damage. Pilot lost directional control of aircraft during landing roll.

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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