# NTSB MKC71FDQ10: Bell 47G-2, N5163B, Keystone, SD, August 18, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 18, 1970
- Place: Keystone, SD · KEYSTONE, SD
- Location: 43.8949° N, 103.4268° W: Placed by OpenAirDocs: center of Keystone, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.8949&lon=-103.4268&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report June 16, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 191263
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC71FDQ10
- Page: https://openairdocs.org/ntsb/MKC71FDQ10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3426  70/8/18    KEYSTONE,S DAK      BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 1203
        TIME - 1315                    N5163B              PX-  0  0  2  OTHER                     TOTAL HOURS, 83 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - KEYSTONE HELIPORT
        DEPARTURE POINT             INTENDED DESTINATION
          KEYSTONE,S DAK              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        REMARKS- SIGHTSEEING RIDES.PLT SAID HE DIVERTED HIS ATTENTION EXPLAINING ACFT INSTRUMENTS TO PX DURG LDG.
```

## Aircraft

- Registration: N5163B (not matched to a registry record)
- Reported make and model: BELL 47G-2
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Keystone Heliport

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.