# NTSB NYC69D0196: Piper PA-30, N7816Y, Twin Mountain, NH, September 1, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 1, 1968
- Place: Twin Mountain, NH · TWIN MOUNTAIN, NH
- Location: 44.2723° N, 71.5390° W: Placed by OpenAirDocs: center of Twin Mountain, NH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.2723&lon=-71.5390&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report December 12, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 107794
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC69D0196
- Page: https://openairdocs.org/ntsb/NYC69D0196

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3521   68/9/1    TWIN MOUNTAIN,NH    PIPER PA-30         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 1061
        TIME - 1630                    N7816Y              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 126 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - TWIN MOUNTAIN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO EXTEND LANDING GEAR
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CHECKLIST-FAILED TO USE
```

## Aircraft

- Registration: [N7816Y](https://openairdocs.org/deregistered/N7816Y-2013-02-27), registration cancelled 2013-02-27, S/N 30-893, built 1965 (OpenAirDocs)
- Reported make and model: PIPER PA-30
- Registry model: [Piper PA-30](https://openairdocs.org/model/piper-pa-30) (registry code 7103002) (OpenAirDocs)
- Registry engine: [Lycoming IO-320 series](https://openairdocs.org/engine/lycoming-io-320-series) (registry code 41509, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Twin Mountain

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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