# NTSB MIA74FKT12: Cessna 310I, N331SM, Miami, FL, August 18, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 18, 1973
- Place: Miami, FL · MIAMI, FL
- Location: 25.7743° N, 80.1937° W: Placed by OpenAirDocs: center of Miami, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=25.7743&lon=-80.1937&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 11, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 188820
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA74FKT12
- Page: https://openairdocs.org/ntsb/MIA74FKT12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3833  73/8/18  NR.MIAMI,FLA          CESSNA 310I         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 41, 5462
        TIME - 1630                    N331SM              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - FORT LAUDERDALE
        DEPARTURE POINT             INTENDED DESTINATION
          COLUMBIA,SC                 MIAMI,FLA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           POWERPLANT - PROPELLER SYSTEM: HUB
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- FATIGUE ORIGIN-HUB BOLT HOLES WITH SHARP EDGES MFG REQUIRES HUB REPLCMT OR HOLES POLISHED AT OVHL.
```

## Aircraft

- Registration: [N331SM](https://openairdocs.org/deregistered/N331SM-2012-11-06), registration cancelled 2012-11-06, S/N 310I0048, built 1964 (OpenAirDocs)
- Reported make and model: CESSNA 310I
- Registry model: [Cessna 310I](https://openairdocs.org/model/cessna-310i) (registry code 2074224) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Fort Lauderdale

## 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 19730818035039A](https://openairdocs.org/incident/19730818035039A), Aug 18, 1973: Cessna 310I, Miami, FL, Substantial damage. Fatigue origin-hub bolt holes with sharp edges mfg requires hub replcmt or holes polished at ovhl.

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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