# NTSB UNK64X4114: Champion 7FC, N9866B, Sioux Falls, SD, September 23, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 23, 1964
- Place: Sioux Falls, SD · SIOUX FALLS, SD
- Location: 43.5500° N, 96.7003° W: Placed by OpenAirDocs: center of Sioux Falls, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.5500&lon=-96.7003&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 12, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 181258
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X4114
- Page: https://openairdocs.org/ntsb/UNK64X4114

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2994  64/9/23    SIOUX FALLS S DAK   CHAMPION 7FC        CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 39, 108
        TIME - 0740                    N9866B              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 58 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FOSS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
           WEATHER - UNFAVORABLE WIND CONDITIONS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  3000
        VISIBILITY AT ACCIDENT SITE                              OBSTRUCTIONS TO VISION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        RELATIVE BEARING OF WIND                                 TYPE OF WEATHER CONDITIONS
          TAIL WIND 158-202 DEGREES                                VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- GUSTY WINDS.
```

## Aircraft

- Registration: [N9866B](https://openairdocs.org/deregistered/N9866B-2017-03-21), registration cancelled 2017-03-21, S/N 7FC-189, built 1958 (OpenAirDocs)
- Reported make and model: CHAMPION 7FC
- Registry model: [Champion 7FC](https://openairdocs.org/model/champion-7fc) (registry code 21101NX) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Foss

## Other investigations on N9866B (1)

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.

- [NTSB NYC06CA194](https://openairdocs.org/ntsb/NYC06CA194), Aug 5, 2006: Champion 7FC (N9866B), Harmonsburg, PA, substantial damage. Probable cause: The pilot's failure to maintain the proper altitude/clearance on final approach, which resulted in an in-flight collision with trees.

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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