# NTSB OAK76DVA46: Pitts S-1S, N921R, Coalinga, CA, March 13, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 13, 1976
- Place: Coalinga, CA · COALINGA, CA
- Location: 36.1402° N, 120.3520° W: Placed by OpenAirDocs: center of Coalinga, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.1402&lon=-120.3520&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 5, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153005
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76DVA46
- Page: https://openairdocs.org/ntsb/OAK76DVA46

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0757  76/3/13    COALINGA,CA         PITTS S-1S          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 29, 1050
        TIME - 1300                    N921R               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 650 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - COALINGA
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          RIVERSIDE,CA                FIREBAUGH,CA                 COALINGA,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- L BRAKE LOCKED,UNDET DUE IMPACT DMG.
```

## Aircraft

- Registration: N921R (not matched to a registry record)
- Reported make and model: PITTS S-1S
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Coalinga

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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