# NTSB MIA84LA155: American AA-1A, N9391L, Lake Harbor, FL, April 28, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 28, 1984, 12:50 local (17:50 UTC)
- Place: Lake Harbor, FL
- Coordinates: 26.640857, -81.339836 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=26.6409&lon=-81.3398&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 31132
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA84LA155
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/31132/pdf
- Page: https://openairdocs.org/ntsb/MIA84LA155

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - mixture control,cable - failure,total (cause)
  - mixture - attempted, pilot in command (contributing factor)
- Forced landing, landing - flare/touchdown

## Analysis

THE PLT ADJUSTED THE MIXTURE TWICE DURING HIS DESCENT FROM 2500 FT MSL. THE SECOND ADJUSTMENT KILLED THE ENGINE AND A FORCED LANDING WAS MADE IN A SUGAR CANE FIELD. POST ACCIDENT EXAMINATION REVEALED THAT THE ENGINE MIXTURE CONTROL CABLE WAS BROKEN. A REPLACEMENT CABLE HAD BEEN INSTALLED IN COMPLIANCE WITH AD-75-09-07 ONLY 89 ACFT HOURS AGO.

## Aircraft

- Registration: [N9391L](https://openairdocs.org/deregistered/N9391L-2013-05-22), registration cancelled 2013-05-22, S/N AA1A-0091, built 1971 (OpenAirDocs)
- Reported make and model: American Aviation Corp. (AAC) AA-1A
- Registry model: [American AA-1A](https://openairdocs.org/model/american-aa-1a) (registry code 0630710) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 0091
- Airframe hours: 1740
- Engines: LYCOMING O-235-C2C 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Curtis Bogle
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, January 5, 1984, 55 hours before
- Departed: FXE, FT.LAUDERDALE, FL
- Destination: 215, CLEWISTON, FL

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 140 total, 45 in this make and model, 110 as pilot in command, 74 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 140° at 10 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 82 °F, dew point 66 °F
- Altimeter: 30.00 inHg
- Observed at: PBI, 40 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 19840428014799A](https://openairdocs.org/incident/19840428014799A), Apr 28, 1984: Gulstm AA1A, Lake Harbor, FL, Substantial damage. Crash occurred during emergency landing after engine quit from mixture control cable breaking.

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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