# NTSB NYC80FA075: Piper PA-18, N9863D, Exeter, RI, August 22, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 22, 1980
- Place: Exeter, RI · EXETER, RI
- Location: 41.5776° N, 71.5376° W: Placed by OpenAirDocs: center of Exeter, RI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5776&lon=-71.5376&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious
- Status: Completed, report January 20, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 129431
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC80FA075
- Page: https://openairdocs.org/ntsb/NYC80FA075

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1743  80/8/22    EXETER,RI           PIPER PA-18         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 49, 600
        TIME - 1833                    N9863D              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          QUONSET POINT,RI            LAKESIDE, CT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - WATER IN FUEL
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ANNUAL INSPECTION OVRDUE.NO 3 EXHAUST VLV,PN 3921,FAILED.FND 3 OZ WTR/BR SEDIMENT IN CARB BOWL.
```

## Aircraft

- Registration: [N9863D](https://openairdocs.org/aircraft/N9863D), registered now, S/N 18-6879, built 1959 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (registry code 7101802) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19800822037559A](https://openairdocs.org/incident/19800822037559A), Aug 22, 1980: Piper PA18, Exeter, RI, Substantial damage. Valve stem broke. Engine quit, stalled airplane attempting emergency landing. Airplane was out of annual.

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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