# NTSB FTW83LA028: Piper PA-28RT-201, N29632, Ardmore, OK, October 30, 1982

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: October 30, 1982, 10:55 local (15:55 UTC)
- Place: Ardmore, OK
- Coordinates: 34.190883, -97.110229 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.1909&lon=-97.1102&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report October 30, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 69804
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW83LA028
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/69804/pdf
- Page: https://openairdocs.org/ntsb/FTW83LA028

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - engine assembly,piston - disintegrated (cause)
  - fluid,oil - contamination (cause)
  - fluid,oil - exhaustion (cause)
  - propeller system/accessories,governor - separation (contributing factor)
  - propeller system/accessories,governor - inoperative (contributing factor)
  - operation with known deficiencies in equipment - attempted, pilot in command (contributing factor)
- Forced landing, landing - flare/touchdown
- In flight collision with object, landing - flare/touchdown
  - object - tree(s) (contributing factor)

## Analysis

PILOT TOOKOFF WITH PROP GOVERNOR INOPERATIVE. WHILE CRUISING 21 MILES SOUTH OF ARDMORE, HE BEGAN TO LOOSE OIL PRESSURE AND TURNED TOWARD ARDMORE. ENGINE QUIT 4 MILES FROM AIRPORT. PILOT DECLARED AN EMERGENCY AND DESCENDED THROUGH THE CLOUDS. HE WENT THROUGH SOME TREES AND LANDED IN A PASTURE. PISTON PIN PLUGS HAD DISINTEGRATED AND CONTAMINATED OIL SYSTEM. SOME OF THE METAL CAUSED PROP. GOV. DRIVE SHAFT TO SEPARATE. OIL WAS DEPLETED UNTIL PRESSURE WAS LOST AND ENGINE SEIZED. REASON FOR OIL LOSS UNKNOWN.

## Aircraft

- Registration: N29632 (not matched to a registry record)
- Reported make and model: PIPER PA-28RT-201 (PA-28RT-20)
- Category: Airplane
- Serial number: 28R7918153
- Airframe hours: 1426
- Engines: LYCOMING IO-360-C1C6 200 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Operator: Crest Air Inc.
- Registered owner: Crest Air Inc.
- Departed: OKC, OKLAHOMA CITY, OK
- Destination: ESF, ALEXANDRIA, LA
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; flight hours: 403 total, 6 in this make and model, 357 as pilot in command, 38 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 150° at 8 knots
- Visibility: 3 statute miles
- Lowest ceiling: 300 ft overcast
- 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 19821030055949A](https://openairdocs.org/incident/19821030055949A), Oct 30, 1982: Piper PA28RT201, Ardmore, OK, Destroyed. Prop governor inop. Mechanic okayed departure. Engine seized. Piston pins broken from oil loss. Clogged governor.

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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