# NTSB UNK64X0739: Brantly B2, N5926X, Santa Ana, CA, February 29, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 29, 1964
- Place: Santa Ana, CA · SANTA ANA, CA
- Location: 33.7368° N, 117.8829° W: Placed by OpenAirDocs: center of Santa Ana, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.7368&lon=-117.8829&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 31, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 120294
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0739
- Page: https://openairdocs.org/ntsb/UNK64X0739

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0050  64/2/29    SANTA ANA CALIF     BRANTLY B2          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N5926X              PX-  0  0  0  DUAL                      AGE 42, 6000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            126 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - ORANGE COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           DUAL STUDENT - FAILURE TO RELINQUISH CONTROL
```

## Aircraft

- Registration: [N5926X](https://openairdocs.org/deregistered/N5926X-2012-08-30), registration cancelled 2012-08-30, S/N 64, built 1960 (OpenAirDocs)
- Reported make and model: BRANTLY B2
- Registry model: [Brantly B-2](https://openairdocs.org/model/brantly-b-2) (registry code 1440502) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Orange County

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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