# NTSB UNK64X3248: Piper PA18A, N3599A, Douglas, AZ, August 6, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 6, 1964
- Place: Douglas, AZ · DOUGLAS, AZ
- Location: 31.3993° N, 109.5413° W: Placed by OpenAirDocs: center of Douglas, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.3993&lon=-109.5413&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report October 21, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184767
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3248
- Page: https://openairdocs.org/ntsb/UNK64X3248

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0545   64/8/6    DOUGLAS ARIZ        AERONCA 11BC        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1800                    N3850E              PX-  0  0  0  DUAL                      AGE UNK/NR, 3000 TOTAL
                                       DAMAGE-MINOR        OT-  0  0  2                            HOURS, 100 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - BISBEE-DOUGLAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: ONE AIRBORNE                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0545   64/8/6    DOUGLAS ARIZ        PIPER PA18A         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 31, 3500
        TIME - 1800                    N3599A              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  2                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BISBEE-DOUGLAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: ONE AIRBORNE                    LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        REMARKS- STRAIGHT-IN APPROACH AGAINST LANDING TRAFFIC
```

## Aircraft 1

- Registration: [N3599A](https://openairdocs.org/aircraft/N3599A), registered now, S/N 18-3011, built 1953 (OpenAirDocs)
- Reported make and model: PIPER PA18A
- Registry model: [Piper PA-18A](https://openairdocs.org/model/piper-pa-18a) (registry code 7101804) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Bisbee-Douglas

## Aircraft 2

- Registration: [N3850E](https://openairdocs.org/deregistered/N3850E-2025-02-12), registration cancelled 2025-02-12, S/N 11BC2 (OpenAirDocs)
- Reported make and model: AERONCA 11BC
- Registry model: [Aeronca 11BC](https://openairdocs.org/model/aeronca-11bc) (registry code 0191106) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: Bisbee-Douglas

## Other investigations on N3599A (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 ANC13CA083](https://openairdocs.org/ntsb/ANC13CA083), Aug 24, 2013: Piper PA-18A (N3599A), Talkeetna, AK, substantial damage. Probable cause: The pilot's failure to maintain directional control during takeoff.

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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