# NTSB OAK68D0246: Snow S2C, N1661S, Tranquillty, CA, December 2, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 2, 1967
- Place: Tranquillty, CA · TRANQUILLTY, CA
- Location: 36.6480° N, 120.2525° W: Placed by OpenAirDocs: center of Tranquillity, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.6480&lon=-120.2525&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 31, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 113085
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK68D0246
- Page: https://openairdocs.org/ntsb/OAK68D0246

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4442   67/12/2 NR.TRANQUILLTY,CALIF  SNOW S2C            CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 40, 9500
        TIME - 1645                    N1661S              PX-  0  0  0  FERRY                     TOTAL HOURS, 500 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - DUSTER STRIP
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N1661S](https://openairdocs.org/deregistered/N1661S-2011-03-09), registration cancelled 2011-03-09, S/N 1221C, built 1964 (OpenAirDocs)
- Reported make and model: SNOW S2C
- Registry model: [Snow S2C](https://openairdocs.org/model/snow-s2c) (registry code 8380206) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Duster Strip

## Other investigations on N1661S (1)

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 LAX08LA193](https://openairdocs.org/ntsb/LAX08LA193), Jun 24, 2008: Snow S2C (N1661S), Glenn's Ferry, ID, substantial damage, 1 fatal. Probable cause: Failure of the pilot to maintain an adequate airspeed resulting in an aerodynamic stall/spin while maneuvering.

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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