# NTSB FTW71FRG94: Cessna 172K, N46446, Killeen, TX, March 13, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: March 13, 1971
- Place: Killeen, TX · KILLEEN, TX
- Location: 31.1171° N, 97.7278° W: Placed by OpenAirDocs: center of Killeen, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.1171&lon=-97.7278&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report October 12, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 160287
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW71FRG94
- Page: https://openairdocs.org/ntsb/FTW71FRG94

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0114  71/3/13    KILLEEN,TEX         CESSNA 172K         CR-  0  2  0  MISCELLANEOUS             COMMERCIAL, AGE 39, 3000
        TIME - 1330                    N46446              PX-  0  0  0  TOWING GLIDERS            TOTAL HOURS, 12 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - GRAY ARMY AIRFLD
        DEPARTURE POINT             INTENDED DESTINATION
          KILLEEN,TEX                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           COPILOT - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        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 QUARTERING HEAD WIND 023-067 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          220                                                       11
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
         FIRE AFTER IMPACT
        REMARKS- INCREASE IN GLIDER ALT CAUSED TOW PLANE TO PITCH NOSE DWN.BOTH PLTS SLOW TO RELEASE.GLIDER LNDD OK
```

## Aircraft

- Registration: [N46446](https://openairdocs.org/deregistered/N46446-1971-04-23), registration cancelled 1971-04-23, S/N 17257274 (OpenAirDocs)
- Reported make and model: CESSNA 172K
- Registry model: [Cessna 172K](https://openairdocs.org/model/cessna-172k) (registry code 2072430) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Gray Army Airfld

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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