# NTSB MIA87IA192: Cessna 310J, N3120L, Sarasota, FL, June 29, 1987

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: June 29, 1987, 17:19 local (21:19 UTC)
- Place: Sarasota, FL
- Location: 27.3954° N, 82.5544° W: Placed by OpenAirDocs at SARASOTA/BRADENTON INTL (SRQ), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=27.3954&lon=-82.5544&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 10, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 31798
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA87IA192
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/31798/pdf
- Page: https://openairdocs.org/ntsb/MIA87IA192

## Sequence of events

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

- Main gear collapsed, landing - roll
  - landing gear,normal retraction/extension assembly - failure,partial (cause)
- On ground/water collision with object, landing - roll
  - object - airport facility

## Analysis

DURING THE LANDING ROLL THE RT MAIN LANDING GEAR COLLAPSED AFTER WHICH THE ACFT SLID OFF THE RWY, COLLIDED WITH A TAXIWAY LIGHT & CAME TO REST. INSP OF THE RT MAIN LANDING GEAR REVEALED THAT THE DOWNLOCK SPRING FAILED WHICH PREVENTED THE GEAR FROM FULLY EXTENDING &, AS A RESULT, THE GEAR COLLAPSED.

## Aircraft

- Registration: [N3120L](https://openairdocs.org/deregistered/N3120L-1992-05-11), registration cancelled 1992-05-11, S/N 310J0120 (OpenAirDocs)
- Reported make and model: CESSNA 310J
- Registry model: [Cessna 310J](https://openairdocs.org/model/cessna-310j) (registry code 2074226) (OpenAirDocs)
- Category: Airplane
- Serial number: 310J0120
- Airframe hours: 3186
- Engines: CONTINENTAL IO-470-U 260 horsepower reciprocating
- Damage: Minor damage
- Flight: Personal, Part 91
- Registered owner: George J. Thomas
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 1, 1987, 35 hours before
- Departed: MADISON, FL
- Flight plan: VFR
- Airport: SRQ, Sarasota-Bradenton, runway 22, 5,006 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 52; private; airplane ratings: multi-engine land, single-engine land; medical: class 3, expired; seat: left; flight hours: 10,000 total, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 240° at 8 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 90 °F, dew point 73 °F
- Altimeter: 30.00 inHg
- Observed at: SRQ

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19870629063309I](https://openairdocs.org/incident/19870629063309I), Jun 29, 1987: Cessna 310J, Sarasota - Brad, FL, Minor damage. The right main gear collapsed on landing. The downlock spring had failed. Pilot flying with expired medical.

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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