# NTSB MIA89FA015: Lake LA-4-250, N250MW, Key West, FL, October 21, 1988

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Field investigation · Final report
- Date: October 21, 1988, 18:15 local (22:15 UTC)
- Place: Key West, FL
- Coordinates: 24.549438, -81.780929 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=24.5494&lon=-81.7809&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious, 1 minor
- Status: Completed, report December 3, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 32265
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA89FA015
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/32265/pdf
- Page: https://openairdocs.org/ntsb/MIA89FA015

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - throttle/power control - reduced, pilot in command (contributing factor)
  - airspeed(vs) - not maintained, pilot in command (cause)
  - stall/mush - inadvertent, pilot in command (cause)
- Hard landing, descent - uncontrolled

## Analysis

THE PLT REDUCED ENGINE POWER DURING INITIAL CLIMB FROM A TOUCH AND GO LANDING ON THE GULF OF MEXICO. THE ACFT STALLED AND DESCENDED UNCONTROLLED BACK TO THE WATER, STRIKING THE WATER HARD. THE ACFT THEN BOUNCED AND AGAIN HIT THE WATER IN A NOSE LOW RIGHT WING LOW ATTITUDE. THE ACFT NOSED OVER.

## Aircraft

- Registration: [N250MW](https://openairdocs.org/deregistered/N250MW-2013-04-01), registration cancelled 2013-04-01, S/N 41, built 1986 (OpenAirDocs)
- Reported make and model: LAKE LA-4-250
- Registry model: [Aerofab LAKE LA-250](https://openairdocs.org/model/aerofab-lake-la-250) (registry code 5110321) (OpenAirDocs)
- Registry engine: [Lycoming IO-540 series](https://openairdocs.org/engine/lycoming-io-540-series) (registry code 41530, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 41
- Engines: LYCOMING IO-540-C4B5 250 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Douglas, Winton S.
- Registered owner: Bruce A Rivard
- Airworthiness certificate: Standard, Normal
- Departed: EYW, KEY WEST, FL

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine sea, multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 5,000 total, 100 in this make and model, 100 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 350° at 6 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 82 °F, dew point 66 °F
- Altimeter: 29.00 inHg
- Observed at: EYW, 8 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 19881021047729A](https://openairdocs.org/incident/19881021047729A), Oct 21, 1988: Conaer LA4250, Key West, FL, Substantial damage. Pulled power after series of water landing put nose down hit water and flipped over. Reason for this action unknown

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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