# NTSB MIA70F0137: Boeing PT-17, N55A, Knoxville, TN, August 30, 1969

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 30, 1969
- Place: Knoxville, TN · KNOXVILLE, TN
- Location: 35.9606° N, 83.9207° W: Placed by OpenAirDocs: center of Knoxville, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.9606&lon=-83.9207&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report December 10, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 158122
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA70F0137
- Page: https://openairdocs.org/ntsb/MIA70F0137

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2560  69/8/30    KNOXVILLE,TENN      BOEING PT-17        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 25, 665
        TIME - 1600                    N55A                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 6 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - DOWNTOWN ISLAND
        DEPARTURE POINT             INTENDED DESTINATION
          KNOXVILLE,TENN              KNOXVILLE,TENN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: CARBURETOR
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CARB ADAPTER PLATE CAME LOOSE FROM HOUSING. CAUSED LEAN MIXTURE. ACFT STRUCK DIRT MOUNDS.
```

## Aircraft

- Registration: [N55A](https://openairdocs.org/deregistered/N55A-1969-11-04), registration cancelled 1969-11-04, S/N 75-1944 (OpenAirDocs)
- Reported make and model: BOEING PT-17
- Registry model: [Boeing A75N1](https://openairdocs.org/model/boeing-a75n1) (registry code 1380165) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Downtown Island

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.