# NTSB SEA83LA190: Piper PA-20, N7650K, Burlington, WA, August 27, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 27, 1983, 13:20 local (20:20 UTC)
- Place: Burlington, WA
- Coordinates: 48.530906, -122.309394 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=48.5309&lon=-122.3094&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 case key (mKey): 39762
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA83LA190
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39762/pdf
- Page: https://openairdocs.org/ntsb/SEA83LA190

## Sequence of events

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

- Main gear collapsed, landing - roll
  - landing gear,main gear attachment - corroded (cause)
  - maintenance,inspection - inadequate, other maintenance personnel (cause)
  - maintenance,recordkeeping - poor, other person (cause)
  - ground loop/swerve - uncontrolled, pilot in command (cause)

## Analysis

THE ACFT GROUNDLOOPED AFTER THE MAIN LANDING GEAR COLLAPSED DURING LANDING. INVESTIGATION REVEALED THAT THE MAIN LANDINGGEAR TUBING FAILED AFTER BEING WEAKENED BY CORROSION INSIDE THE TUBE.

## Aircraft

- Registration: [N7650K](https://openairdocs.org/aircraft/N7650K), registered now, S/N 20-471, built 1950 (OpenAirDocs)
- Reported make and model: PIPER PA-20
- Registry model: [Piper PA-20](https://openairdocs.org/model/piper-pa-20) (registry code 7102002) (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: 20-471
- Engines: LYCOMING O-290 135 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: George W. Frye
- Airworthiness certificate: Standard, Normal
- Last inspection: Unknown, March 12, 1983
- Departed: EAT, WENATCHEE, WA
- Flight plan: VFR
- Airport: 75S, Bay View, runway 28, 5,364 × 250 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; flight instructor, commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, unknown; seat: right

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 20 statute miles

## 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 19830827057819A](https://openairdocs.org/incident/19830827057819A), Aug 27, 1983: Piper PA20, Burlington, WA, Substantial damage. Left main gear collapsed on the landing roll. Aircraft ground looped. Main gear tubing failed due inside corrosion

## Other investigations on N7650K (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 SEA72DYC10](https://openairdocs.org/ntsb/SEA72DYC10), May 7, 1971: Piper PA-20 (N7650K), Woodburn, OR, 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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