# NTSB LAX75AL034: Cessna 150, N11421, Whittier, CA, January 9, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: January 9, 1975
- Place: Whittier, CA · WHITTIER, CA
- Location: 33.9668° N, 118.0201° W: Placed by OpenAirDocs: center of Whittier, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.9668&lon=-118.0201&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 14 fatal
- Status: Completed, report October 22, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 170131
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX75AL034
- Page: https://openairdocs.org/ntsb/LAX75AL034

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1941   75/1/9    WHITTIER,CA         DEHAVILLAND DHC-6   CR-  2  0  0  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1607                    N6383               PX- 10  0  0  COMMUTER AIR CARRIER      47, 9366 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  2  0  0  AIR TAXI-PASSG S-D        2774 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ONTARIO,CA                  LOS ANGELES,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - APPROACH CONTROL LANDING            RADAR CTL/SURVEILLANCE - UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONVERGENCE ANGLE-DEGREES -  33
          HORIZONTAL COLLISION ANGLE-DEGREES -   90                VERTICAL COLLISION ANGLE-DEGREES -  1
          EVASIVE ACTION TAKEN - NO
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1941   75/1/9    WHITTIER,CA         CESSNA 150          CR-  2  0  0  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1607                    N11421              PX-  0  0  0  DUAL                      47, 22010 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT- 12  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LONG BEACH,CA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
         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                           CONVERGENCE ANGLE-DEGREES -  57
          HORIZONTAL COLLISION ANGLE-DEGREES -   90                VERTICAL COLLISION ANGLE-DEGREES -  1
          EVASIVE ACTION TAKEN - NO
```

## Aircraft 1

- Registration: [N11421](https://openairdocs.org/deregistered/N11421-1975-05-05), registration cancelled 1975-05-05, S/N 150-75408 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Aircraft 2

- Registration: [N6383](https://openairdocs.org/deregistered/N6383-1978-02-21), registration cancelled 1978-02-21, S/N 83 (OpenAirDocs)
- Reported make and model: DEHAVILLAND DHC-6
- Registry model: [Dehavilland DHC-6](https://openairdocs.org/model/dehavilland-dhc-6) (registry code 2802603) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- 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 19750109005841A](https://openairdocs.org/incident/19750109005841A), Jan 9, 1975: Cessna 150L, Whittier, CA, Destroyed
- [Accident 19750109005842A](https://openairdocs.org/incident/19750109005842A), Jan 9, 1975: Dhav DHC6*, Whittier, CA, Destroyed, 10 fatal

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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