# NTSB FTW80DPJ20: Hiller Acft HU-12D, N102BC, Norman, OK, May 13, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 13, 1980
- Place: Norman, OK · NORMAN, OK
- Location: 35.2226° N, 97.4395° W: Placed by OpenAirDocs: center of Norman, OK, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.2226&lon=-97.4395&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 12, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 131111
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW80DPJ20
- Page: https://openairdocs.org/ntsb/FTW80DPJ20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0537  80/5/13    NORMAN,OK           HILLER ACFT HU-12D  CR-  0  0  1  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1230                    N102BC              PX-  0  0  0  TRAINING                  AGE 43, 385 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            17 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          NORMAN,OK                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- SUSPECTED T/R STRIKE.
```

## Aircraft

- Registration: [N102BC](https://openairdocs.org/deregistered/N102BC-2013-05-14), registration cancelled 2013-05-14, S/N 1282, built 1961 (OpenAirDocs)
- Reported make and model: HILLER ACFT HU-12D
- Registry model: [Hiller UH-12D](https://openairdocs.org/model/hiller-uh-12d) (registry code 4360118) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- 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 19800513015759A](https://openairdocs.org/incident/19800513015759A), May 13, 1980: Hiller UH12D, Norman, OK, Substantial damage. Made hard, tail-low landing after suspected mast bump on takeoff. Hit tail low. Impact sheared tail rotor.

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.