# NTSB LAX80FA093: Robinson R22, N9011M, Rnch Palos Vrd, CA, May 3, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: May 3, 1980
- Place: Rnch Palos Vrd, CA · RNCH PALOS VRD, CA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report February 26, 1982
- Report: Brief approved by the director
- NTSB case key (mKey): 130630
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80FA093
- Page: https://openairdocs.org/ntsb/LAX80FA093

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3788   80/5/3    RNCH PALOS VRD,CA   ROBINSON R22        CR-  2  0  0  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1105                    N9011M              PX-  0  0  0  DUAL                      30, 2198 TOTAL HOURS, 38
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TORRANCE,CA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        FACTOR(S)
           PERSONNEL - RULES,REGULATIONS,STANDARDS PERSONNEL
        REMARKS- DELAMINATION OF BLADES.BLADES REPAIRED BY MFGR 1/30/80 & 5/1/80.NON-SURVEILLANCE OF MANUFACTURING.
```

## Aircraft

- Registration: [N9011M](https://openairdocs.org/deregistered/N9011M-1983-02-12), registration cancelled 1983-02-12, S/N 0005 (OpenAirDocs)
- Reported make and model: ROBINSON R22
- Registry model: [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22) (registry code 7640102) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## 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 19800503012649A](https://openairdocs.org/incident/19800503012649A), May 3, 1980: Robsin R22, Rancho Palos Ve, CA, Destroyed. Main rotor blade delaminated in flight. Inadequate, improper maintenance and manufacture. Inadequate surveillance.

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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