# NTSB MIA84LA217: Cessna 310, N3623D, Key Largo, FL, August 5, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 5, 1984, 18:00 local (22:00 UTC)
- Place: Key Largo, FL
- Coordinates: 25.07949, -80.439239 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=25.0795&lon=-80.4392&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 31166
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA84LA217
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/31166/pdf
- Page: https://openairdocs.org/ntsb/MIA84LA217

## Sequence of events

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

- Main gear collapsed, landing - roll
  - gear down and locked - not attained, pilot in command
  - remedial action - attempted, pilot in command
  - landing gear,main gear - undetermined (cause)

## Analysis

PLT STATED GEAR WAS LOWERED FOR LANDING BUT DOWN & LOCKED LIGHT DID NOT ILLUMINATE. GEAR WAS RECYCLED AND AS OBSERVED THROUGH AN OUTSIDE MIRROR, PLT STATED GEAR APPEARED DOWN. FOLLOWING TOUCHDOWN AND A 75 FT GROUND ROLL THE RT MAIN GEAR COLLAPSED.

## Aircraft

- Registration: N3623D (not matched to a registry record)
- Reported make and model: CESSNA 310
- Category: Airplane
- Serial number: 35323
- Airframe hours: 5000
- Engines: CONTINENTAL O-470 240 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Robert G. Etter
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 7, 1984, 9 hours before
- Departed: APF, NAPLES, FL
- Airport: XO9, Ocean Reef Club

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 53; private; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 789 total, 195 in this make and model, 647 as pilot in command, 29 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 100° at 8 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 88 °F, dew point 73 °F
- Altimeter: 30.00 inHg
- Observed at: MIA, 30 nm away

## 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 19840805037869A](https://openairdocs.org/incident/19840805037869A), Aug 5, 1984: Cessna 310, Key Largo, FL, Substantial damage. Unsafe gear indication. Did not use manual extension because gear apeared ok. Right main gear collapsed on landing.

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.