# NTSB LAX77FUA11: Robinson R-22, N67010, Palos Verdes, CA, April 29, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 29, 1977
- Place: Palos Verdes, CA · PALOS VERDES, CA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 23, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 152451
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX77FUA11
- Page: https://openairdocs.org/ntsb/LAX77FUA11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0684  77/4/29  NR.PALOS VERDES,CA    ROBINSON R-22       CR-  0  0  1  MISCELLANEOUS             ATP,FLIGHT INSTR., AGE
        TIME - 0830                    N67010              PX-  0  0  0  TEST                      28, 4567 TOTAL HOURS, 32
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
           TORRANCE,CA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - MISCELLANEOUS UNITS AND ASSEMBLIES: TAIL BOOMS/PYLONS/CONES
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
                                  PROP/ENGINE VIBRATION
                                  PITCH CONTROL PROBLEM
        REMARKS- TAILCONE BULKHEAD FAILED. ENGINEERING TEST FLT. BULKHEAD IS BEING REDESIGNED.
```

## Aircraft

- Registration: [N67010](https://openairdocs.org/aircraft/N67010), registered now, S/N 0001, built 1975 (OpenAirDocs)
- Reported make and model: ROBINSON R-22
- Registry model: [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22) (registry code 7640102) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (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 19770429009009A](https://openairdocs.org/incident/19770429009009A), Apr 29, 1977: Amtr 1301561, Palos Verdes, CA, Destroyed. Tailcone bulkhead failed. Engineering test flt. Bulkhead is being redesigned.

## Other investigations on N67010 (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 LAX76FUA17](https://openairdocs.org/ntsb/LAX76FUA17), Dec 22, 1975: Robinson R22 (N67010), Torrance, CA, 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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