# NTSB IAD78FLQ11: Stits SA-11A, N21DW, Corbin, KY, February 19, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: February 19, 1978
- Place: Corbin, KY · CORBIN, KY
- Location: 36.9316° N, 84.1008° W: Placed by OpenAirDocs: center of Corbin, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.9316&lon=-84.1008&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report May 23, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 143365
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD78FLQ11
- Page: https://openairdocs.org/ntsb/IAD78FLQ11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0639  78/2/19  NR.CORBIN,KY          STITS SA-11A        CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 51, 991
        TIME - 1115                    N21DW               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 64 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LONDON,KY                   DALTON,GA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - HIGH OBSTRUCTIONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OIL STARVATION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- HD OF NR 4 EXH VALVE BROKEN OFF.LNDD ON RIDGE,NO SUITABLE LDG AREA AVAILABLE.
```

## Aircraft

- Registration: [N21DW](https://openairdocs.org/deregistered/N21DW-1981-12-21), registration cancelled 1981-12-21, S/N 165, built 1977 (OpenAirDocs)
- Reported make and model: STITS SA-11A
- Registry model: [Wade STITS PLAYMATE SA11A](https://openairdocs.org/model/wade-stits-playmate-sa11a) (registry code 8650603) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19780219002649A](https://openairdocs.org/incident/19780219002649A), Feb 19, 1978: Amtr 8650603, Corbin, KY, Substantial damage. Hd of nr 4 exh valve broken off. Lndd on ridge,no suitable ldg areailable.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
