# NTSB UNK65X0809: Cessna 150D, N4359U, Pomona, CA, November 23, 1964

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 23, 1964
- Place: Pomona, CA · POMONA, CA
- Location: 34.0585° N, 117.7611° W: Placed by OpenAirDocs: center of Pomona, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.0585&lon=-117.7611&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report November 29, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 180777
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0809
- Page: https://openairdocs.org/ntsb/UNK65X0809

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1032  64/11/23   POMONA CALIF        CESSNA 150A         CR-  1  0  0  INSTRUCTIONAL             STUDENT, AGE 19, 18 TOTAL
        TIME - 1035                    N6643T              PX-  0  0  0  SOLO                      HOURS, ALL IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  2  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BRACKETT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        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                          CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  CONVERGENCE ANGLE-DEGREES -  72
          HORIZONTAL COLLISION ANGLE-DEGREES -   10                VERTICAL COLLISION ANGLE-DEGREES -  43
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - NOT INSTALLED
         FIRE AFTER IMPACT
        REMARKS- PILOT N4359U FAILED TO SEE AND AVOID N6643T.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1032  64/11/23   POMONA CALIF        CESSNA 150D         CR-  1  0  0  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1045                    N4359U              PX-  1  0  0  DEMONSTRATION             AGE 50, 3817 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  1  0  0                            UNK/NR IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - BRACKETT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        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                          CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  CONVERGENCE ANGLE-DEGREES -  72
          HORIZONTAL COLLISION ANGLE-DEGREES -   10                VERTICAL COLLISION ANGLE-DEGREES -  43
          EVASIVE ACTION TAKEN - NO
        REMARKS- PILOT N6643T FAILED TO SEE AND AVOID N4359U.
```

## Aircraft 1

- Registration: [N4359U](https://openairdocs.org/deregistered/N4359U-1965-02-04), registration cancelled 1965-02-04, S/N 15060359 (OpenAirDocs)
- Reported make and model: CESSNA 150D
- Registry model: [Cessna 150D](https://openairdocs.org/model/cessna-150d) (registry code 2071810) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Brackett

## Aircraft 2

- Registration: [N6643T](https://openairdocs.org/deregistered/N6643T-1965-02-05), registration cancelled 1965-02-05, S/N 15059043 (OpenAirDocs)
- Reported make and model: CESSNA 150A
- Registry model: [Cessna 150A](https://openairdocs.org/model/cessna-150a) (registry code 2071804) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Brackett

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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