# NTSB ANC84LA061: Piper PA-18-150, N7569D, Dillingham, AK, May 10, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 10, 1984, 12:24 local (20:24 UTC)
- Place: Dillingham, AK
- Coordinates: 58.820507, -157.860977 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=58.8205&lon=-157.8610&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): 4285
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA061
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4285/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA061

## 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
  - directional control - not maintained, pilot in command (cause)
  - landing gear,normal brake system - inoperative (contributing factor)
- On ground/water encounter with terrain/water, landing - roll

## Analysis

THE PLT LOST DIRECTIONAL DURING LANDING ROLL WITH TWO PAX IN THE REAR SEATS. HE STATED THAT THE RIGHT BRAKE FAILED AFTER TOUCHDOWN.

## Aircraft

- Registration: [N7569D](https://openairdocs.org/aircraft/N7569D), registered now, S/N 18-5854, built 1957 (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: 18-5854
- Airframe hours: 3500
- Engines: LYCOMING O-320-A2A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Reinhold Thiele
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 25, 1984, 20 hours before
- Departed: NUNAVARCHAK BCH, AK
- Destination: DLG, DILLINGHAM, AK
- Airport: DLG, Dillingham, runway 1, 6,404 × 150 ft, macadam

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 57; private, airline transport, commercial; airplane ratings: multi-engine land, single-engine sea, multi-engine sea, single-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; seat: front

## Weather

- Conditions: Visual (VMC), Day
- Wind: 30° at 8 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 46 °F, dew point 27 °F
- Altimeter: 30.00 inHg
- Observed at: DLG

## 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 19840510016569A](https://openairdocs.org/incident/19840510016569A), May 10, 1984: Piper PA18150, Dillingham, AK, Substantial damage. Pilot lost directional control 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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