# NTSB SEA75FTA16: Bellanca 7GCBC, N88465, White Water, MT, April 11, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 11, 1975
- Place: White Water, MT · WHITE WATER, MT
- Location: 48.7635° N, 107.6302° W: Placed by OpenAirDocs: center of Whitewater, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.7635&lon=-107.6302&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 13, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148050
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75FTA16
- Page: https://openairdocs.org/ntsb/SEA75FTA16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1613  75/4/11  NR.WHITE WATER,MT     BELLANCA 7GCBC      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 22, 525
        TIME - 0815                    N88465              PX-  0  0  0  AERIAL SURVEY             TOTAL HOURS, 17 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         WHITE WATER,MT               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           SYSTEMS - ANTI-ICING,DE-ICING SYSTEMS: CARBURETOR DE-ICING SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: INCORRECT FACTORY INSTALLATION
        FACTOR(S)
           TERRAIN - SNOW-COVERED
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      35
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- CARB HEAT VALVE WORKED ONLY PARTIALLY. IMPROPER RIGGING. LND IN DEEP SNOW.
```

## Aircraft

- Registration: [N88465](https://openairdocs.org/aircraft/N88465), registered now, S/N 791-75, built 1974 (OpenAirDocs)
- Reported make and model: BELLANCA 7GCBC
- Registry model: [Bellanca 7GCBC](https://openairdocs.org/model/bellanca-7gcbc) (registry code 1220601) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- 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 19750411011339A](https://openairdocs.org/incident/19750411011339A), Apr 11, 1975: Blanca 7HC, White Water, MT, Substantial damage. Carb heat valve worked only partially. Improper rigging. Lnd in deep snow.

## Other investigations on N88465 (1)

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 SEA77FTA17](https://openairdocs.org/ntsb/SEA77FTA17), May 9, 1977: Bellanca 7GCBC (N88465), Opheim, MT, 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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