# NTSB UNK64X2485: Bell 47G3B, N73209, Sodus, MI, June 25, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 25, 1964
- Place: Sodus, MI · SODUS, MI
- Location: 42.0437° N, 86.3692° W: Placed by OpenAirDocs: center of Sodus, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0437&lon=-86.3692&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 4, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 183512
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2485
- Page: https://openairdocs.org/ntsb/UNK64X2485

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0219  64/6/25    SODUS MICH          BELL 47G3B          CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 29, 2490
        TIME - 2000                    N73209              PX-  0  0  0  TEST                      TOTAL HOURS, 71 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: BUILDING(S)                               IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
          MISC-SPRAY DUMP VALVE OPENED FOR UNKNOWN REASON.
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
```

## Aircraft

- Registration: [N73209](https://openairdocs.org/deregistered/N73209-1971-11-22), registration cancelled 1971-11-22, S/N 2746 (OpenAirDocs)
- Reported make and model: BELL 47G3B
- Registry model: [Bell 47G-2A](https://openairdocs.org/model/bell-47g-2a) (registry code 1181012) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
