# NTSB FTW75FPJ18: Mooney M20C, N6475U, Porter Hill, OK, February 27, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 27, 1975
- Place: Porter Hill, OK · PORTER HILL, OK
- Location: 34.7826° N, 98.3867° W: Placed by OpenAirDocs: center of Porter Hill, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.7826&lon=-98.3867&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report March 17, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 147432
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW75FPJ18
- Page: https://openairdocs.org/ntsb/FTW75FPJ18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0187  75/2/27    PORTER HILL,OK      MOONEY M20C         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 58, 460
        TIME - 1345                    N6475U              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 4 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - UNNAMED STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          PORTER HILL,OK              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED WRONG RUNWAY RELATIVE TO EXISTING WIND
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
           TERRAIN - HIGH OBSTRUCTIONS
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        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                                                     TAIL WIND 158-202 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           57                                                      190
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- INTNTL DOWNWIND LDG ON PLTS STRIP DUE PWR LINES AT OTR END.
```

## Aircraft

- Registration: [N6475U](https://openairdocs.org/aircraft/N6475U), registered now, S/N 2222, built 1962 (OpenAirDocs)
- Reported make and model: MOONEY M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Unnamed Strip

## 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 19750227002629A](https://openairdocs.org/incident/19750227002629A), Feb 27, 1975: Mooney M20C, Porter Hill, OK, Substantial damage. Intntl downwind ldg on plts strip due pwr lines at otr end.

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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