# NTSB MIA73AM014: Cessna 421, N123QF, Cleveland, TN, August 7, 1972

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 7, 1972
- Place: Cleveland, TN · CLEVELAND, TN
- Location: 35.1595° N, 84.8766° W: Placed by OpenAirDocs: center of Cleveland, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.1595&lon=-84.8766&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 5 fatal
- Status: Completed, report February 22, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167561
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA73AM014
- Page: https://openairdocs.org/ntsb/MIA73AM014

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2226   72/8/7    CLEVELAND,TENN      CESSNA 421          CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 47, 8500
        TIME - 1800                    N123QF              PX-  4  0  0  CORP/EXEC                 TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - HARDWICK
        DEPARTURE POINT             INTENDED DESTINATION
          CLEVELAND,TENN              LEXINGTON,KY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
         FIRE AFTER IMPACT
        REMARKS- R ENG NR 5 CYL CONROD BOLT FAILED. PLT TRIED TO RET TO ARPT BFOR FEATH R PROP. NEAR GROSS WT.
```

## Aircraft

- Registration: [N123QF](https://openairdocs.org/deregistered/N123QF-1973-10-03), registration cancelled 1973-10-03, S/N 421-0139, built 1968 (OpenAirDocs)
- Reported make and model: CESSNA 421
- Registry model: [Cessna 421](https://openairdocs.org/model/cessna-421) (registry code 2076010) (OpenAirDocs)
- Registry engine: [Continental GTSIO-520-C](https://openairdocs.org/engine/continental-gtsio-520-c) (registry code 17035, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Hardwick

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.