# NTSB FTW79DPJ11: Cougar 1976, N5595, Ardmore, OK, April 15, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 15, 1979
- Place: Ardmore, OK · ARDMORE, OK
- Location: 34.1743° N, 97.1436° W: Placed by OpenAirDocs: center of Ardmore, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.1743&lon=-97.1436&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report May 24, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137609
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW79DPJ11
- Page: https://openairdocs.org/ntsb/FTW79DPJ11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0710  79/4/15    ARDMORE,OK          COUGAR 1976         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1630                    N5595               PX-  0  0  0  TRAINING                  AGE 52, 986 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DOWNTOWN
        DEPARTURE POINT             INTENDED DESTINATION
          ARDMORE,OK                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
        REMARKS- PLT STATED HE FORGOT ACFT EQUIPPED WITH VERNIER THROTTLE CONTROL WHEN TRYING TO ADD PWR.
```

## Aircraft

- Registration: [N5595](https://openairdocs.org/deregistered/N5595-2015-05-15), registration cancelled 2015-05-15, S/N 2-1, built 1976 (OpenAirDocs)
- Reported make and model: COUGAR 1976
- Registry model: [Nall COUGAR-1](https://openairdocs.org/model/nall-cougar-1) (registry code 6250210) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Downtown

## 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 19790415006809A](https://openairdocs.org/incident/19790415006809A), Apr 15, 1979: Amtrev COUGAR1, Ardmore, OK, Substantial damage. Pilot was not familiar with the vernier throttle. Lost directional control on touch and go landing.

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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