# NTSB LAX75DUJ45: Brantly B-2, N5905X, Mesa, AZ, November 2, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 2, 1974
- Place: Mesa, AZ · MESA, AZ
- Location: 33.4223° N, 111.8226° W: Placed by OpenAirDocs: center of Mesa, AZ, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4223&lon=-111.8226&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 19, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 142514
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX75DUJ45
- Page: https://openairdocs.org/ntsb/LAX75DUJ45

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3513   74/11/2 NR.MESA,ARIZ          BRANTLY B-2         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1400                    N5905X              PX-  0  0  0  DUAL                      AGE 30, 2755 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            30 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         MESA,ARIZ                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           TERRAIN - OTHER
        REMARKS- CONFINED AREA. T/R HIT CACTUS BUSH.
```

## Aircraft

- Registration: [N5905X](https://openairdocs.org/deregistered/N5905X-2013-07-19), registration cancelled 2013-07-19, S/N 41 (OpenAirDocs)
- Reported make and model: BRANTLY B-2
- Registry model: [Brantly B-2](https://openairdocs.org/model/brantly-b-2) (registry code 1440502) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19741102038209A](https://openairdocs.org/incident/19741102038209A), Nov 2, 1974: Hynes B2, Mesa, AZ, Substantial damage. Confined area. T/r hit cactus bush.

## Other investigations on N5905X (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 FTW95FA020](https://openairdocs.org/ntsb/FTW95FA020), Oct 22, 1994: Brantly Helicopter B-2 (N5905X), Artesia, NM, destroyed, 1 fatal. Probable cause: THE PILOT'S IMPAIRMENT OF JUDGMENT AND PERFORMANCE DUE TO DRUGS, AND HIS FAILURE TO MAINTAIN CLEARANCE FROM A POWERLINE.

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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