# NTSB DEN75AD040: Beech 95-B55, N157D, Riverton, UT, February 1, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: February 1, 1975
- Place: Riverton, UT · RIVERTON, UT
- Location: 40.5176° N, 111.9635° W: Placed by OpenAirDocs: center of Riverton, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5176&lon=-111.9635&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report March 6, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 147434
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN75AD040
- Page: https://openairdocs.org/ntsb/DEN75AD040

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0189   75/2/1  NR.RIVERTON,UT        BEECH 95-B55        CR-  2  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 52, 14500
        TIME - 1107                    N157D               PX-  1  0  0  PRACTICE                  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SALT LAKE CITY,UT           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
           COPILOT - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        REMARKS- PRACTICE FOR MULTI-ENG RATING.FLAT SPIN.PIC NOT IP RATED.
```

## Aircraft

- Registration: [N157D](https://openairdocs.org/deregistered/N157D-1975-04-04), registration cancelled 1975-04-04, S/N TC-1767 (OpenAirDocs)
- Reported make and model: BEECH 95-B55
- Registry model: [Beech 95-B55 (T42A)](https://openairdocs.org/model/beech-95-b55-t42a) (registry code 1152706) (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 19750201003039A](https://openairdocs.org/incident/19750201003039A), Feb 1, 1975: Beech A56TC, Riverton, UT, Destroyed, 1 fatal. Practice for multi-eng rating. Flat spin.PIC not ip rated.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.