# NTSB OAK66D0216: Mooney M20, N860B, Palo Alto, CA, March 4, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 4, 1966
- Place: Palo Alto, CA · PALO ALTO, CA
- Location: 37.3965° N, 122.1431° W: Placed by OpenAirDocs: center of Palo Alto, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3965&lon=-122.1431&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 19, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 173107
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66D0216
- Page: https://openairdocs.org/ntsb/OAK66D0216

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0495   66/3/4    PALO ALTO CALIF     MOONEY M20          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1720                    N860B               PX-  0  0  0  DUAL                      AGE 34, 800 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            15 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - PALO ALTO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER LEVEL OFF
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N860B](https://openairdocs.org/deregistered/N860B-1971-07-15), registration cancelled 1971-07-15, S/N 1021, built 1956 (OpenAirDocs)
- Reported make and model: MOONEY M20
- Registry model: [Mooney M20](https://openairdocs.org/model/mooney-m20) (registry code 5870202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Palo Alto

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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