# NTSB SEA77DYA33: Cessna 172, N7596G, Challis, ID, August 13, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 13, 1977
- Place: Challis, ID · CHALLIS, ID
- Location: 44.5058° N, 114.2283° W: Placed by OpenAirDocs: center of Challis, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.5058&lon=-114.2283&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 30, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 158695
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77DYA33
- Page: https://openairdocs.org/ntsb/SEA77DYA33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2775  77/8/13  NR.CHALLIS,ID         CESSNA 172          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 39, 665
        TIME - 0800                    N7596G              PX-  0  0  1  MAPPING/PHOTO             TOTAL HOURS, 250 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CHALLIS,ID                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,AND ALTITUDE
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        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                                                      65
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
          CALM                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- MINERAL SURVEY.FLYING UP A VALLEY.UNABLE TO OUTCLIMB TERRAIN.DENS ALT ABT 7800FT.
```

## Aircraft

- Registration: [N7596G](https://openairdocs.org/deregistered/N7596G-2013-02-26), registration cancelled 2013-02-26, S/N 17259296, built 1970 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172L](https://openairdocs.org/model/cessna-172l) (registry code 2072432) (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 19770813024029A](https://openairdocs.org/incident/19770813024029A), Aug 13, 1977: Cessna 172L, Challis, ID, Substantial damage. Mineral survey. Flying up a valley. Unable to outclimb terrain. Dens alt abt 7800FT.

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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