# NTSB LAX76FUD08: Enstrom F-28A, N9576, Pasadena, CA, April 5, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 5, 1976
- Place: Pasadena, CA · PASADENA, CA
- Location: 34.1606° N, 118.1380° W: Placed by OpenAirDocs: center of Pasadena, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.1606&lon=-118.1380&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 18, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 154181
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX76FUD08
- Page: https://openairdocs.org/ntsb/LAX76FUD08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3512   76/4/5    PASADENA,CA         ENSTROM F-28A       CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 29, 674
        TIME - 2230                    N9576               PX-  0  0  1  POLICE PATROL             TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PASADENA,CA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- FORCED LDG ON FREEWAY AT NIGHT.NR 2 CYL CON ROD CAP BOLT FAILED.
```

## Aircraft

- Registration: [N9576](https://openairdocs.org/aircraft/N9576), registered now, S/N 133, built 1972 (OpenAirDocs)
- Reported make and model: ENSTROM F-28A
- Registry model: [Enstrom F-28A](https://openairdocs.org/model/enstrom-f-28a) (registry code 3300406) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, 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 19760405007479A](https://openairdocs.org/incident/19760405007479A), Apr 5, 1976: Enstrm F28A, Pasadena, CA, Substantial damage. Forced ldg on freeway at night. Nr 2 cyl con rod cap bolt failed.

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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