# NTSB NYC79FA094: Bell 206B, N90022, Merrimack, NH, September 11, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 11, 1979
- Place: Merrimack, NH · MERRIMACK, NH
- Location: 42.8651° N, 71.4934° W: Placed by OpenAirDocs: center of Merrimack, NH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.8651&lon=-71.4934&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 3 uninjured
- Status: Completed, report February 27, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133030
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC79FA094
- Page: https://openairdocs.org/ntsb/NYC79FA094

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3170  79/9/11    MERRIMACK,NH        BELL 206B           CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1201                    N90022              PX-  0  0  4  BUSINESS                  33, 4315 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2461 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MERRIMACK HELI
        DEPARTURE POINT             INTENDED DESTINATION
          MERRIMACK,NH                MAYNARD,MA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: FUEL CONTROL
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - OTHER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- HELICOPTER CRASHED IN POND NR HELIPORT.PC LINE FAILED AT FUEL CONTROL.
```

## Aircraft

- Registration: [N90022](https://openairdocs.org/deregistered/N90022-1980-04-10), registration cancelled 1980-04-10, S/N 1688 (OpenAirDocs)
- Reported make and model: BELL 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Merrimack Heli

## 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 19790911043589A](https://openairdocs.org/incident/19790911043589A), Sep 11, 1979: Bell 206B, Merrimack, NH, Substantial damage. Fatigue failure of compressor discharge pressure line between power turbine governor and gas producer fuel control.

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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