# NTSB LAX82DA328: Piper PA-28-140, N98059, Keyenta, AZ, September 10, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: September 9, 1982, 20:15 local (Sep 10, 1982, 02:15 UTC)
- Place: Keyenta, AZ
- Coordinates: 36.6403, -110.180679 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.6403&lon=-110.1807&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 9, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 71263
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82DA328
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/71263/pdf
- Page: https://openairdocs.org/ntsb/LAX82DA328

## Sequence of events

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

- Main gear collapsed, landing - roll
  - landing gear - overload (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - selected, dual student (cause)
  - terrain condition - soft (contributing factor)
  - supervision - improper, pilot in command(cfi) (cause)
  - terrain condition - wet (contributing factor)

## Analysis

LANDING GEAR COLLAPSED DURING LANDING ROLL ON A MUDDY DIRT STRIP.

## Aircraft

- Registration: [N98059](https://openairdocs.org/aircraft/N98059), registered now, S/N 28-26013, built 1969 (OpenAirDocs)
- Reported make and model: PIPER PA-28-140
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 28-26013
- Engines: LYCOMING O-320 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: William R. Cox
- Registered owner: William R. Cox
- Departed: 0V7, KEYENTA, AZ
- Destination: 0V7, KEYENTA, AZ
- Airport: 0V7, Kayenta, runway 24, 5,500 × 100 ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; flight instructor; airplane ratings: single-engine land; medical: unknown, unknown

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 60 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 19820909047919A](https://openairdocs.org/incident/19820909047919A), Sep 9, 1982: Piper PA28140, Kayenta, AZ, Substantial damage. Right main gear collapsed on landing. Dirt landing strip was muddy.

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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