# NTSB OAK74DVM03: Piper J4A, N27898, San Jose, CA, August 1, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 1, 1973
- Place: San Jose, CA · SAN JOSE, CA
- Location: 37.3394° N, 121.8950° W: Placed by OpenAirDocs: center of San Jose, CA, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3394&lon=-121.8950&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 18, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189174
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK74DVM03
- Page: https://openairdocs.org/ntsb/OAK74DVM03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2510   73/8/1    SAN JOSE,CALIF      PIPER J4A           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 29, 190
        TIME - 0906                    N27898              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SAN JOSE MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          SAN JOSE,CALIF              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
```

## Aircraft

- Registration: [N27898](https://openairdocs.org/deregistered/N27898-2013-09-30), registration cancelled 2013-09-30, S/N 4-1121, built 1940 (OpenAirDocs)
- Reported make and model: PIPER J4A
- Registry model: [Piper J4A](https://openairdocs.org/model/piper-j4a) (registry code 7100604) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: San Jose Muni

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19730801019449A](https://openairdocs.org/incident/19730801019449A), Aug 1, 1973: Piper J4A, San Jose, CA, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
