# NTSB OAK66F0010: Ercoupe 415C, N99373, Concord, CA, June 4, 1965

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 4, 1965
- Place: Concord, CA · CONCORD, CA
- Location: 37.9722° N, 122.0016° W: Placed by OpenAirDocs: center of Concord, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9722&lon=-122.0016&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 4, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177967
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66F0010
- Page: https://openairdocs.org/ntsb/OAK66F0010

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1388   65/6/4    CONCORD CALIF       ERCOUPE 415C        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 179
        TIME - 1705                    N99373              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 5 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BUCHANAN FIELD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
```

## Aircraft

- Registration: [N99373](https://openairdocs.org/aircraft/N99373), registered now, S/N 1996, built 1946 (OpenAirDocs)
- Reported make and model: ERCOUPE 415C
- Registry model: [Engineering & Research ERCOUPE 415-C](https://openairdocs.org/model/engineering-research-ercoupe-415-c) (registry code 0420312) (OpenAirDocs)
- Registry engine: [Continental A&C75 series](https://openairdocs.org/engine/continental-a-c75-series) (registry code 17005, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Buchanan Field

## Other investigations on N99373 (2)

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 LAX88LA151](https://openairdocs.org/ntsb/LAX88LA151), Apr 2, 1988: Ercoupe 415-C (N99373), Palo Alto, CA, substantial damage
- [NTSB OAK70DVG17](https://openairdocs.org/ntsb/OAK70DVG17), Apr 25, 1970: Erco 415-C (N99373), Pope Valley, 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.

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