# NTSB FTW78FA001: Pilatus PC6CH2, N331V, Oklahoma City, OK, October 5, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 5, 1977
- Place: Oklahoma City, OK · OKLAHOMA CITY, OK
- Location: 35.4676° N, 97.5164° W: Placed by OpenAirDocs: center of Oklahoma City, OK, within about 14 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.4676&lon=-97.5164&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 5 fatal
- Status: Completed, report November 30, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144660
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW78FA001
- Page: https://openairdocs.org/ntsb/FTW78FA001

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3569   77/10/5   OKLAHOMA CITY,OK    PILATUS PC6CH2      CR-  1  0  0  MISCELLANEOUS             ATP,FLIGHT INSTR., AGE
        TIME - 0913                    N331V               PX-  4  0  0  DEMONSTRATION             48, 20450 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            330 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WILEY POST
        DEPARTURE POINT             INTENDED DESTINATION
          OKLAHOMA CITY,OK            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIRAL                                            TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         FIRE AFTER IMPACT
        REMARKS- ENG PWR LEVER FOUND AFT THE PROP REVERSE POSITION WITH FINGER LIFT RAISED ABOVE BETA DETENT.
```

## Aircraft

- Registration: [N331V](https://openairdocs.org/deregistered/N331V-1978-03-06), registration cancelled 1978-03-06, S/N 2002, built 1966 (OpenAirDocs)
- Reported make and model: PILATUS PC6CH2
- Registry model: [Fairchild Heli-Porter PILATUS PC6/C-H2](https://openairdocs.org/model/fairchild-heli-porter-pilatus-pc6-c-h2) (registry code 3375014) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Destroyed
- Airport: Wiley Post

## 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 19771005037819A](https://openairdocs.org/incident/19771005037819A), Oct 5, 1977: Pilats PC6CH2, Oklahoma City, OK, Destroyed, 4 fatal. Eng pwr lever found aft the prop reverse position with finger lift raised above beta detent.

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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