# NTSB MIA89LA147: Cessna 310P, N5769M, Fort Myers, FL, May 6, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 6, 1989, 14:40 local (18:40 UTC)
- Place: Fort Myers, FL
- Coordinates: 26.560972, -81.869071 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=26.5610&lon=-81.8691&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 22, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 32432
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA89LA147
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/32432/pdf
- Page: https://openairdocs.org/ntsb/MIA89LA147

## Probable cause

COLLAPSE OF THE LEFT MAIN LANDING GEAR DUE TO OVERLOAD FAILURE OF THE TRUNNION AND BELLCRANK ASSEMBLY.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Main gear collapsed, landing - roll
  - landing gear,main gear strut - overload (cause)
  - landing gear,normal retraction/extension assembly - overload (cause)

## Analysis

DURING THE LANDING ROLL, THE LEFT MAIN LANDING GEAR COLLAPSED. THE ACFT VEERED OFF THE RWY & CAME TO REST ON THE GRASS. EXAMINATION OF THE FAILED LANDING GEAR REVEALED THE TRUNNION & BELLCRANK ASSY FAILED DUE TO OVERLOAD.

## Aircraft

- Registration: [N5769M](https://openairdocs.org/deregistered/N5769M-2013-03-06), registration cancelled 2013-03-06, S/N 310P0069, built 1968 (OpenAirDocs)
- Reported make and model: CESSNA 310P
- Registry model: [Cessna 310P](https://openairdocs.org/model/cessna-310p) (registry code 2074238) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 310P0069
- Airframe hours: 3258
- Engines: CONTINENTAL IO-470-V 260 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Breza, Thomas S.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 1, 1989, 10 hours before
- Airport: FMY, Page Field, runway 23, 6,401 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 64; flight instructor, commercial, airline transport; airplane ratings: multi-engine land, single-engine land, single-engine sea; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 10,711 total, 400 in this make and model, 9,000 as pilot in command, 64 in the last 90 days, 30 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 12 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 88 °F, dew point 66 °F
- Altimeter: 30.00 inHg
- Observed at: FMY

## 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 19890506056879A](https://openairdocs.org/incident/19890506056879A), May 6, 1989: Cessna 310P, Ft Myers, FL, Substantial damage. Left main gear collapsed on landing causing aircraft to veer off runway. Trunnion and bellcrank failed on overload.

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.