# NTSB DEN78DTM02: Thorp T-18, N12KB, Moam, UT, October 1, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 1, 1977
- Place: Moam, UT · MOAM, UT
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 2, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145147
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78DTM02
- Page: https://openairdocs.org/ntsb/DEN78DTM02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2771   77/10/1 NR.MOAM, UT           THORP T-18          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 51, 365
        TIME - UNK/NR                  N12KB               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 150 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CANYONLANDS
        DEPARTURE POINT             INTENDED DESTINATION
          LEADVILLE, CO              MOAM, UT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: ON GROUND                              LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
        REMARKS- 4 WHEEL BOLTS FAILED,WHEEL,AXLE,BRAKE ASSY SEPARATED FRM GR LEG.DIRT STRIP.
```

## Aircraft

- Registration: N12KB (not matched to a registry record)
- Reported make and model: THORP T-18
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Canyonlands

## 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 19771001030209A](https://openairdocs.org/incident/19771001030209A), Oct 1, 1977: Amtr 8951059, Moam, UT, Substantial damage. 4 Wheel bolts failed,wheel,axle,brake assy separated frm gr leg. Dirt strip.

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.

---
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.