# NTSB OAK73DVD32: Erco 415-C, N99922, Oakland, CA, April 21, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 21, 1973
- Place: Oakland, CA · OAKLAND, CA
- Location: 37.8044° N, 122.2708° W: Placed by OpenAirDocs: center of Oakland, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.8044&lon=-122.2708&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 14, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170526
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73DVD32
- Page: https://openairdocs.org/ntsb/OAK73DVD32

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0997  73/4/21    OAKLAND,CALIF       ERCO 415-C          CR-  0  0  2  MISCELLANEOUS             ATP,FLIGHT INSTR., AGE
        TIME - 1730                    N99922              PX-  0  0  0  DEMONSTRATION             48, 12665 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            100 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - OAKLAND INTL
        DEPARTURE POINT             INTENDED DESTINATION
          OAKLAND,CALIF               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           SYSTEMS - FLIGHT CONTROL SYSTEMS: RUDDER AND RUDDER TAB CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - CROSSED
        REMARKS- BECAME AIRBORNE IN L BANK.UN CTL ACFT,PLT ABORTED.RUDDER CTLS FOUND REVERSED.1ST FLT SINCE ANNUAL.
```

## Aircraft

- Registration: [N99922](https://openairdocs.org/deregistered/N99922-2013-03-25), registration cancelled 2013-03-25, S/N 2545, built 1946 (OpenAirDocs)
- Reported make and model: ERCO 415-C
- Registry model: [Ercoupe 415-D](https://openairdocs.org/model/ercoupe-415-d) (registry code 0420326) (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: Oakland Intl

## 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 19730421009109A](https://openairdocs.org/incident/19730421009109A), Apr 21, 1973: Univar 415G, Oakland, CA, Substantial damage. Became airborne in l bank. Un ctl acft,plt aborted. Rudder ctls found reversed.1st flt since annual.

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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