# NTSB OAK65A0060: Hughes 269B, N9357F, Round Mt, CA, March 19, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 19, 1965
- Place: Round Mt, CA · ROUND MT, CA
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 20, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179776
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK65A0060
- Page: https://openairdocs.org/ntsb/OAK65A0060

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0087  65/3/19  NR.ROUND MT CALIF     HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 50, 1500
        TIME - 1010                    N9357F              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 109 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           WEATHER - UNFAVORABLE WIND CONDITIONS
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           MISCELLANEOUS ACTS,CONDITIONS - LANDED IN CONSTRUCTION AREA
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - WEATHER CONSIDERABLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              OBSTRUCTIONS TO VISION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           63                                                      300
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N9357F](https://openairdocs.org/deregistered/N9357F-2013-05-22), registration cancelled 2013-05-22, S/N 0044, built 1964 (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

## Other investigations on N9357F (6)

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 CHI08CA164](https://openairdocs.org/ntsb/CHI08CA164), Jun 15, 2008: Hughes 269B (N9357F), Cook, MN, substantial damage. Probable cause: The pilot not maintaining tail rotor effectiveness while turning in cruise.
- [NTSB MKC82FCD09](https://openairdocs.org/ntsb/MKC82FCD09), Jul 29, 1982: Hughes 269B (N9357F), Tipton, IA, substantial damage
- [NTSB MKC81FCD34](https://openairdocs.org/ntsb/MKC81FCD34), Aug 13, 1981: Hughes 269B (N9357F), Marion, IA, substantial damage
- [NTSB MKC77DCD37](https://openairdocs.org/ntsb/MKC77DCD37), Jun 29, 1977: Hughes 269B (N9357F), Hawkeye, IA, substantial damage
- [NTSB MIA73FKQ31](https://openairdocs.org/ntsb/MIA73FKQ31), Jun 19, 1973: Hughes 269B (N9357F), Madison, MS, substantial damage
- [NTSB UNK64X3436](https://openairdocs.org/ntsb/UNK64X3436), Aug 16, 1964: Hughes 269B (N9357F), Redding, 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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