# NTSB MKC70DCD19: Cessna 150, N6999F, Jefferson, IA, February 21, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 21, 1970
- Place: Jefferson, IA · JEFFERSON, IA
- Location: 42.0177° N, 94.3794° W: Placed by OpenAirDocs: center of Jefferson, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0177&lon=-94.3794&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 25, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 136685
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC70DCD19
- Page: https://openairdocs.org/ntsb/MKC70DCD19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0999  70/2/21    JEFFERSON,IOWA      CESSNA 150          CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 35, 24 TOTAL
        TIME - 1415                    N6999F              PX-  0  0  0  SOLO                      HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - JEFFERSON
        DEPARTURE POINT             INTENDED DESTINATION
          ANKENY,IOWA                 JEFFERSON,IOWA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: SNOWBANK                                  LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
           WEATHER - UNFAVORABLE WIND CONDITIONS
           PERSONNEL - FLIGHT INSTRUCTOR: INADEQUATE SUPERVISION OF FLIGHT
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT CROSS WIND 068-112 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          240                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- R X-WIND 100 DEG,GUSTY.
```

## Aircraft

- Registration: [N6999F](https://openairdocs.org/aircraft/N6999F), registered now, S/N 15063599, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Jefferson

## Other investigations on N6999F (2)

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 MKC71DCD94](https://openairdocs.org/ntsb/MKC71DCD94), Jun 30, 1971: Cessna 150 (N6999F), Ankeny, IA, substantial damage
- [NTSB MKC67D0164](https://openairdocs.org/ntsb/MKC67D0164), Aug 23, 1966: Cessna 150F (N6999F), Boone, IA, substantial damage

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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