# NTSB NYC67I0103: Dehaviland DHC-6, N121PM, Farmingdale, NY, January 19, 1967

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: January 19, 1967
- Place: Farmingdale, NY · FARMINGDALE, NY
- Location: 40.7328° N, 73.4468° W: Placed by OpenAirDocs: center of Farmingdale, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7328&lon=-73.4468&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 7 uninjured
- Status: Completed, report June 7, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 118290
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC67I0103
- Page: https://openairdocs.org/ntsb/NYC67I0103

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0003  67/1/19  NR.FARMINGDALE NY     DEHAVILAND DHC-6    CR-  0  0  2  COMMERCIAL                CERTIFICATE UNKNOWN, AGE
        TIME - 2100                    N121PM              PX-  0  0  5  AIR TAXI-PASSG            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-NONE         OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   UNK/NR INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- NO.1 ENGINE FAILED. PLT MADE SAFE LANDING.
```

## Aircraft

- Registration: [N121PM](https://openairdocs.org/aircraft/N121PM), registered now, S/N 14, built 1966 (OpenAirDocs)
- Reported make and model: DEHAVILAND DHC-6
- Registry model: [Dehavilland DHC-6 TWIN OTTER](https://openairdocs.org/model/dehavilland-dhc-6-twin-otter) (registry code 2802606) (OpenAirDocs)
- Registry engine: [U/A Canada PT6 SER 578HP](https://openairdocs.org/engine/u-a-canada-pt6-ser-578hp) (registry code 61501, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: No damage

## Other investigations on N121PM (3)

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 LAX91FA052](https://openairdocs.org/ntsb/LAX91FA052), Dec 9, 1990: de Havilland DHC-6-100 (N121PM), Perris Valley, CA, substantial damage. Probable cause: A LOSS OF POWER ON THE LEFT ENGINE DUE TO A FATIGUE FAILURE OF A COMPRESSOR TURBINE BLADE LEADING TO FURTHER COMPRESSOR BLADE DAMAGE; A WORN POWER TURBINE GOVERNOR THROTTLE CAM ASSEMBLY WHICH LED TO…
- [NTSB NYC71AN117](https://openairdocs.org/ntsb/NYC71AN117), Jun 4, 1971: Dehavilland DHC-6 (N121PM), Flushing, NY, minor damage
- [NTSB NYC70AN096](https://openairdocs.org/ntsb/NYC70AN096), Mar 6, 1970: Dehavilland DHC-6 (N121PM), Windsor Lock, CT, 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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