# NTSB LAX80DUG36: Hughes 269B, N9516F, Cajon Pass, CA, June 2, 1980

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 2, 1980
- Place: Cajon Pass, CA · CAJON PASS, CA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report July 8, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130966
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80DUG36
- Page: https://openairdocs.org/ntsb/LAX80DUG36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1460   80/6/2  NR.CAJON PASS,CA      HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1320                    N9516F              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  72, 27042 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            143 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          BERMUDA DUNES,CA            SEATTLE,WA                   RIALTO,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          PARTIAL OBSCURATION                                       3500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       50
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      VFR
        REMARKS- MTN PASSES OBSCURED.
```

## Aircraft

- Registration: [N9516F](https://openairdocs.org/aircraft/N9516F), registered now, S/N 170311, built 1967 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (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 19800602017019A](https://openairdocs.org/incident/19800602017019A), Jun 2, 1980: Hughes 269B, Cajon Pass, CA, Substantial damage. Encountered patchy fog & severe turbulence in mountain Pass. Struck ground in a severe downdraft.

## Other investigations on N9516F (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 SEA78DYE17](https://openairdocs.org/ntsb/SEA78DYE17), Mar 30, 1978: Hughes 269B (N9516F), Puyallup, WA, 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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