# NTSB CHI71FDJ09: Hughes 269B, N9308F, Green Bay, WI, August 5, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 5, 1970
- Place: Green Bay, WI · GREEN BAY, WI
- Location: 44.5192° N, 88.0198° W: Placed by OpenAirDocs: center of Green Bay, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.5192&lon=-88.0198&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 11, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 191474
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71FDJ09
- Page: https://openairdocs.org/ntsb/CHI71FDJ09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3472   70/8/5    GREEN BAY,WIS       HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1930                    N9308F              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  AGE 36, 6044 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            1035 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - AUSTIN-STRAUBEL
        DEPARTURE POINT             INTENDED DESTINATION
          OCONTO,WIS                  GREEN BAY,WIS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: POWER-OFF AUTOROTATIVE LANDING
           COLLIDED WITH: DITCHES                                   LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- THROTTLE FRICTION LOCK SET TOO TIGHT DURING PRACTICE AUTOROTATION. UN ADD PWR,UN REACH RWY.
```

## Aircraft

- Registration: [N9308F](https://openairdocs.org/deregistered/N9308F-2013-08-01), registration cancelled 2013-08-01, S/N 123-0010, 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: Destroyed
- Airport: Austin-Straubel

## Other investigations on N9308F (3)

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 ATL85LA287](https://openairdocs.org/ntsb/ATL85LA287), Sep 28, 1985: Hughes 269A (N9308F), Winchester, KY, substantial damage
- [NTSB LAX65A0064](https://openairdocs.org/ntsb/LAX65A0064), Feb 8, 1965: Hughes 300 (N9308F), Las Vegas, NV, substantial damage
- [NTSB UNK64X3324](https://openairdocs.org/ntsb/UNK64X3324), Aug 10, 1964: Hughes 269B (N9308F), Las Vegas, NV, 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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