# NTSB SEA80FA018: Bell 47G3B1, N73285, Jefferson, OR, January 30, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: January 30, 1980
- Place: Jefferson, OR · JEFFERSON, OR
- Location: 44.7166° N, 123.0060° W: Placed by OpenAirDocs: center of Jefferson, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.7166&lon=-123.0060&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report March 20, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 132185
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA80FA018
- Page: https://openairdocs.org/ntsb/SEA80FA018

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0031  80/1/30  NR.JEFFERSON,OR       BELL 47G3B1         CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1630                    N73285              PX-  0  0  0  DUAL                      AGE 29, 1762 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            160 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ALBANY,OR                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- INFLATED AIR BAG FLOAT EQUIPPED.WITNESSES STATE ENGINE SOUND CEASED.
```

## Aircraft

- Registration: [N73285](https://openairdocs.org/deregistered/N73285-2018-04-18), registration cancelled 2018-04-18, S/N 2909, built 1964 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1) (registry code 1181028) (OpenAirDocs)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## 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 19800130001509A](https://openairdocs.org/incident/19800130001509A), Jan 30, 1980: Bell 47G3B1, Jefferson, OR, Destroyed. Witness saw helicopter climb out from practice field, heard engine stop. Aircraft rolled, dived into the ground.

## Other investigations on N73285 (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 DEN69D0213](https://openairdocs.org/ntsb/DEN69D0213), Mar 25, 1969: Bell 47G3B1 (N73285), Albany, WY, substantial damage
- [NTSB LAX69D0033](https://openairdocs.org/ntsb/LAX69D0033), Jun 21, 1968: Bell 47G3B1 (N73285), Alpine, AZ, substantial damage
- [NTSB OAK68A0010](https://openairdocs.org/ntsb/OAK68A0010), Aug 6, 1967: Bell 47G-3B (N73285), Clearlake, 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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