# NTSB CHI80FEK11: Enstrom F28A, N33TD, Columbus, OH, June 1, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 1, 1980
- Place: Columbus, OH · COLUMBUS, OH
- Location: 39.9612° N, 82.9988° W: Placed by OpenAirDocs: center of Columbus, OH, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9612&lon=-82.9988&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 23, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130789
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI80FEK11
- Page: https://openairdocs.org/ntsb/CHI80FEK11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1123   80/6/1    COLUMBUS,OH         ENSTROM F28A        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0840                    N33TD               PX-  0  0  0  DUAL                      AGE 28, 1956 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            77 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          COLUMBUS,OH                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                TAXI: AERIAL TAXI TO/FROM LANDING
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           DUAL STUDENT - FAILURE TO RELINQUISH CONTROL
```

## Aircraft

- Registration: N33TD (not matched to a registry record)
- Reported make and model: ENSTROM F28A
- 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 19800601017439A](https://openairdocs.org/incident/19800601017439A), Jun 1, 1980: Enstrm F28A, Columbus, OH, Substantial damage. Incorrect control input by student caused helicopter to oscillate on hover. Student froze on controls. Rotors hit.

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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