# NTSB OAK71AP053: Cessna 172, N5660A, Palo Alto, CA, June 16, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 16, 1971
- 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: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report July 26, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162291
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71AP053
- Page: https://openairdocs.org/ntsb/OAK71AP053

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4265  71/6/16    PALO ALTO,CALIF     CESSNA 172          CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 41, UNK/NR
        TIME - 0115                    N5660A              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PALO ALTO
        DEPARTURE POINT             INTENDED DESTINATION
          PALO ALTO,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INCAPACITATION
        FACTOR(S)
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
           MISCELLANEOUS ACTS,CONDITIONS - ALCOHOLIC IMPAIRMENT OF EFFICIENCY AND JUDGMENT
        REMARKS- DEATH FM BRAIN HEMORRHAGE WHILE PRFRMNG ACROBATICS AT NGT. BLOOD ALCOHOL LVL .17 PCT.
```

## Aircraft

- Registration: [N5660A](https://openairdocs.org/deregistered/N5660A-1971-09-27), registration cancelled 1971-09-27, S/N 28260 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172](https://openairdocs.org/model/cessna-172) (registry code 2072402) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Palo Alto

## Other investigations on N5660A (1)

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 OAK68D0299](https://openairdocs.org/ntsb/OAK68D0299), Feb 25, 1968: Cessna 172 (N5660A), Sacramento, 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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