# NTSB OAK72DVG37: Piper PA-28R, N4306T, Napa, CA, February 14, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 14, 1972
- Place: Napa, CA · NAPA, CA
- Location: 38.2971° N, 122.3010° W: Placed by OpenAirDocs: center of Napa, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2971&lon=-122.3010&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report February 17, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 165480
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK72DVG37
- Page: https://openairdocs.org/ntsb/OAK72DVG37

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2032  72/2/14    NAPA,CALIF          PIPER PA-28R        CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1343                    N4306T              PX-  0  0  2  DUAL                      32, 3419 TOTAL HOURS, 82
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - NAPA COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          NAPA,CALIF                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           MISCELLANEOUS ACTS,CONDITIONS - WRONG PART
           MISCELLANEOUS ACTS,CONDITIONS - ENGINE LOADED UP
           TERRAIN - OTHER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- 1ST FLT SINCE 50HR INSP.WRONG PLUGS.CRASH LNDD IN FLD.
```

## Aircraft

- Registration: [N4306T](https://openairdocs.org/aircraft/N4306T), registered now, S/N 28R-7235004, built 1971 (OpenAirDocs)
- Reported make and model: PIPER PA-28R
- Registry model: [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200) (registry code 7102811) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Napa County

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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