# NTSB SEA77FTI01: Bell 47J-2, N2835B, Quake Lake, MT, October 31, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 31, 1976
- Place: Quake Lake, MT · QUAKE LAKE, MT
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 1, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 155943
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77FTI01
- Page: https://openairdocs.org/ntsb/SEA77FTI01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3275  76/10/31   QUAKE LAKE,MT       BELL 47J-2          CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1810                    N2835B              PX-  0  0  0  SEARCH AND RESCUE         AGE 41, 3945 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            258 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ENNIS,MT                    CABIN CREEK,MT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- T/R STRUCK UNMARKED WIRES.NIGHT TKOF.
```

## Aircraft

- Registration: [N2835B](https://openairdocs.org/deregistered/N2835B-2012-08-27), registration cancelled 2012-08-27, S/N 1437, built 1960 (OpenAirDocs)
- Reported make and model: BELL 47J-2
- Registry model: [Bell 47J-2A](https://openairdocs.org/model/bell-47j-2a) (registry code 1181106) (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: Substantial damage

## 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 19761031034259A](https://openairdocs.org/incident/19761031034259A), Oct 31, 1976: Bell 47J, Quake Lake, MT, Substantial damage. T/r struck unmarked wires. Night tkof.

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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