# NTSB DEN80FA020: Beech H35, N7935D, Copperton, UT, January 24, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: January 24, 1980
- Place: Copperton, UT · COPPERTON, UT
- Location: 40.5661° N, 112.0979° W: Placed by OpenAirDocs: center of Copperton, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5661&lon=-112.0979&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report November 21, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 134914
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN80FA020
- Page: https://openairdocs.org/ntsb/DEN80FA020

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2978  80/1/24    COPPERTON,UT        BEECH H35           CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1415                    N7935D              PX-  1  0  0  TRAINING                  AGE 69, 1918 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SALT LAKE CITY,VT           COPPERTON,UT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           COPILOT - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           COPILOT - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
         FIRE AFTER IMPACT
        REMARKS- LOCAL FLT TO CK PLT OUT IN ACFT.IP DID NOT HAVE FULL SET OF FLT CTLS.CRASHED DRG RECOVERY FM SPIN.
```

## Aircraft

- Registration: [N7935D](https://openairdocs.org/deregistered/N7935D-1981-12-08), registration cancelled 1981-12-08, S/N D-5202 (OpenAirDocs)
- Reported make and model: BEECH H35
- Registry model: [Beech H35](https://openairdocs.org/model/beech-h35) (registry code 1151520) (OpenAirDocs)
- Category: Airplane
- 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 19800124001399A](https://openairdocs.org/incident/19800124001399A), Jan 24, 1980: Beech H35, Copperton, UT, Destroyed, 1 fatal. Aircraft spun into ground during training checkout flight.

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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