# NTSB LAX69F0274: Bell 47D1, N74090, Oracle, AZ, February 15, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 15, 1969
- Place: Oracle, AZ · ORACLE, AZ
- Location: 32.6084° N, 110.7823° W: Placed by OpenAirDocs: center of Oracle, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.6084&lon=-110.7823&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 19, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 190883
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX69F0274
- Page: https://openairdocs.org/ntsb/LAX69F0274

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0519  69/2/15    ORACLE,ARIZ         BELL 47D1           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1130                    N74090              PX-  0  0  1  PRACTICE                  AGE 51, 5780 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            118 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           SYSTEMS - HYDRAULIC SYSTEM: RESERVOIR,LINES,FITTINGS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE,NONE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- T/R STRUCK CACTUS PLANT.HYDRAULIC LINE FAILED CAUSED LOSS OF FLUID TO CYCLIC BOOST SYSTEM.
```

## Aircraft

- Registration: [N74090](https://openairdocs.org/deregistered/N74090-1971-08-24), registration cancelled 1971-08-24, S/N SA 2 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell-Barnes 47D1](https://openairdocs.org/model/bell-barnes-47d1) (registry code 118084E) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N74090 (2)

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 DEN65A0087](https://openairdocs.org/ntsb/DEN65A0087), Jun 29, 1965: Bell Barnes (N74090), Phoenix, AZ, substantial damage
- [NTSB UNK64X0693](https://openairdocs.org/ntsb/UNK64X0693), Feb 26, 1964: Barnes 47D1 (N74090), Elizabeth City, NC, 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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