# NTSB MKC79FCA14: Bell 47G-2, N96194, Chesterfield, MO, May 17, 1979

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 17, 1979
- Place: Chesterfield, MO · CHESTERFIELD, MO
- Location: 38.6631° N, 90.5771° W: Placed by OpenAirDocs: center of Chesterfield, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6631&lon=-90.5771&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report July 19, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 136252
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC79FCA14
- Page: https://openairdocs.org/ntsb/MKC79FCA14

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1177  79/5/17    CHESTERFIELD,MO     BELL 47G-2          CR-  0  2  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1705                    N96194              PX-  0  0  0  DUAL                      AGE 36, 608 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            521 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - SPIRIT ST LOUIS
        DEPARTURE POINT             INTENDED DESTINATION
          CHESTERFIELD,MO             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
```

## Aircraft

- Registration: [N96194](https://openairdocs.org/aircraft/N96194), registered now, S/N 2702 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2A](https://openairdocs.org/model/bell-47g-2a) (registry code 1181012) (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
- Airport: Spirit St Louis

## 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 19790517027389A](https://openairdocs.org/incident/19790517027389A), May 17, 1979: Bell 47G2, Chesterfield, MO, Substantial damage. Helicopter developed high sink rate on autorotation practice. Instructor was unable to check settling effect.

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.