# NTSB OAK77FA034: Cessna 150L, N5456Q, San Ramon, CA, June 2, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 2, 1977
- Place: San Ramon, CA · SAN RAMON, CA
- Location: 37.7666° N, 121.9292° W: Placed by OpenAirDocs: center of San Ramon, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7666&lon=-121.9292&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report October 18, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147270
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77FA034
- Page: https://openairdocs.org/ntsb/OAK77FA034

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2098   77/6/2    SAN RAMON,CA        CESSNA 150M         CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1403                    N714PK              PX-  0  0  0  DUAL                      AGE 28, 502 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  1  0  0                            377 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OAKLAND,CA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROL ZONE/AREA - NO
          CONVERGENCE ANGLE-DEGREES -  120                         EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- BOTH ACFT WERE IN DESIGNATED TRAINING AREA
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2098   77/6/2    SAN RAMON,CA        CESSNA 150L         CR-  1  0  0  INSTRUCTIONAL             PRIVATE, AGE 36, 86 TOTAL
        TIME - 1403                    N5456Q              PX-  0  0  0  SOLO                      HOURS, 63 IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  2  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OAKLAND,CA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROL ZONE/AREA - NO
          CONVERGENCE ANGLE-DEGREES -  120                         EVASIVE ACTION TAKEN - UNKNOWN/NOT REPORTED
          ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- BOTH ACFT WERE IN DESIGNATED TRAINING AREA
```

## Aircraft 1

- Registration: [N5456Q](https://openairdocs.org/deregistered/N5456Q-1977-12-29), registration cancelled 1977-12-29, S/N 15073356 (OpenAirDocs)
- Reported make and model: CESSNA 150L
- Registry model: [Cessna 150](https://openairdocs.org/model/cessna-150) (registry code 2071802) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Aircraft 2

- Registration: [N714PK](https://openairdocs.org/deregistered/N714PK-1977-12-20), registration cancelled 1977-12-20, S/N 150-79326 (OpenAirDocs)
- Reported make and model: CESSNA 150M
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (registry code 2071830) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## FAA reports on this event (2)

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

- [Accident 19770602033222A](https://openairdocs.org/incident/19770602033222A), Jun 2, 1977: Cessna 150L, San Ramon, CA, Destroyed. Both acft were in designated training area
- [Accident 19770602033221A](https://openairdocs.org/incident/19770602033221A), Jun 2, 1977: Cessna A150K, San Ramon, CA, Destroyed. Both acft were in designated training area

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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