# NTSB MIA71DKJ09: Knight KT90F, N99G, Selma, AL, July 11, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 11, 1970
- Place: Selma, AL · SELMA, AL
- Location: 32.4170° N, 87.0357° W: Placed by OpenAirDocs: center of Selma, AL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.4170&lon=-87.0357&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 24, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 116007
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA71DKJ09
- Page: https://openairdocs.org/ntsb/MIA71DKJ09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0980  70/7/11    SELMA,ALA           KNIGHT KT90F        CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1625                    N99G                PX-  0  0  0  FERRY                     AGE 28, 4185 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SEL FIELD
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          DOTHAN,ALA                  MEMPHIS,TENN                 SELMA,ALA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER SYSTEM: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  PROP/ENGINE VIBRATION
        REMARKS- ONE BLADE BROKEN OFF,NOT RECOVERED.
```

## Aircraft

- Registration: [N99G](https://openairdocs.org/deregistered/N99G-1975-06-09), registration cancelled 1975-06-09, S/N 201532F (OpenAirDocs)
- Reported make and model: KNIGHT KT90F
- Registry model: [Knight Twister KT-90F](https://openairdocs.org/model/knight-twister-kt-90f) (registry code 4970134) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sel Field

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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