# NTSB UNK65X1526: Piper PA18, N3356B, Fremont, CA, August 15, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 15, 1965
- Place: Fremont, CA · FREMONT, CA
- Location: 37.5483° N, 121.9886° W: Placed by OpenAirDocs: center of Fremont, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.5483&lon=-121.9886&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 7, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177288
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X1526
- Page: https://openairdocs.org/ntsb/UNK65X1526

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0672  65/8/15  NR.FREMONT CALIF      BEECHCRAFT E35      CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N7334B              PX-  0  0  0  BUSINESS                  AGE 50, 5000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  1                            4000 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        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
         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 -  90                          HORIZONTAL COLLISION ANGLE-DEGREES -   90
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - NOT OPERATING
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0672  65/8/15  NR.FREMONT CALIF      PIPER PA18          CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 22, 630
        TIME - 1500                    N3356B              PX-  0  0  0  TOWING GLIDERS            TOTAL HOURS, 350 IN TYPE,
                                       DAMAGE-MINOR        OT-  0  0  1                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  PROP/ENGINE VIBRATION
         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 -  90                          HORIZONTAL COLLISION ANGLE-DEGREES -   90
          EVASIVE ACTION TAKEN - YES                               ANTI-COLLISION LIGHTS - NOT INSTALLED
```

## Aircraft 1

- Registration: N3356B (not matched to a registry record)
- Reported make and model: PIPER PA18
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage

## Aircraft 2

- Registration: [N7334B](https://openairdocs.org/aircraft/N7334B), registered now, S/N D-3797, built 1954 (OpenAirDocs)
- Reported make and model: BEECHCRAFT E35
- Registry model: [Beech E35](https://openairdocs.org/model/beech-e35) (registry code 1151512) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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