# NTSB MIA89LA239: Lake LA-4-200, N1072L, Orlando, FL, September 3, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 3, 1989, 13:44 local (17:44 UTC)
- Place: Orlando, FL
- Coordinates: 28.559595, -81.350975 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=28.5596&lon=-81.3510&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 5, 1991
- Report: Approved by Office Director
- NTSB case key (mKey): 32494
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA89LA239
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/32494/pdf
- Page: https://openairdocs.org/ntsb/MIA89LA239

## Probable cause

RETRACTION OF THE RIGHT MAIN LANDING GEAR FOR AN UNKNOWN REASON.

## 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 - undetermined (cause)

## Analysis

DURING THE LANDING ROLL, THE RIGHT MAIN LANDING GEAR COLLAPSED (RETRACTED) ABOUT 300 YARDS DOWN THE RUNWAY & THE AIRPLANE WAS DAMAGED. AN EXAM OF THE AIRPLANE REVEALED NO REASON FOR THE RIGHT MAIN GEAR TO RETRACT.

## Aircraft

- Registration: [N1072L](https://openairdocs.org/aircraft/N1072L), registered now, S/N 665 (OpenAirDocs)
- Reported make and model: LAKE LA-4-200
- Registry model: [Lake LA-4-200](https://openairdocs.org/model/lake-la-4-200) (registry code 5110310) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 665
- Engines: LYCOMING O-360-A1B 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Unknown
- Departed: SANFORD, FL
- Airport: ORL, Orlando Executive, runway 25, 5,998 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; commercial, flight engineer, airline transport; airplane ratings: multi-engine land, single-engine land, multi-engine sea, single-engine sea; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; flight hours: 12,000 total, 500 in this make and model, 150 in the last 90 days, 51 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 5 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: -0 °F, dew point -0 °F
- Observed at: ORL

## 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 19890903036159A](https://openairdocs.org/incident/19890903036159A), Sep 3, 1989: Conaer LA4200, Orlando, FL, Substantial damage. Right main landing gear collapsed on the landing roll.

## Other investigations on N1072L (1)

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.

- [NTSB MIA75DLD84](https://openairdocs.org/ntsb/MIA75DLD84), Jun 8, 1975: Lake LA-4 (N1072L), Orlando, FL, substantial damage

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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