# NTSB SEA65A0054: Piper PA-18, N9457D, Dell, MT, April 24, 1965

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 24, 1965
- Place: Dell, MT · DELL, MT
- Location: 44.7268° N, 112.6969° W: Placed by OpenAirDocs: center of Dell, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.7268&lon=-112.6969&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report August 26, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179289
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA65A0054
- Page: https://openairdocs.org/ntsb/SEA65A0054

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0325  65/4/24    DELL MONT           PIPER PA-18         CR-  1  0  0  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1515                    N9457D              PX-  0  0  0  FERRY                     AGE 31, 1515 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            41 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - BRIGGS AIRSTRIP
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           STALL: SPIRAL                                            LANDING: TRAFFIC PATTERN-CIRCLING
        PROBABLE CAUSE(S)
           POWERPLANT - EXHAUST SYSTEM: MUFFLERS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
        REMARKS- MUFFLER FAILURE OBSTRUCTED EXHAUST GAS FLOW.BACKPRESSURE CAUSED POWER FAILURE.
```

## Aircraft

- Registration: [N9457D](https://openairdocs.org/deregistered/N9457D-1965-07-19), registration cancelled 1965-07-19, S/N 18-6700 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Briggs Airstrip

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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