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Accidents · NTSB MIA92LA096 · Final report

Amateur-built SX300 accident near Okeechobee, Florida, March 11, 1992

On March 11, 1992 at about 7:44 pm local time, a amateur-built SX300, registered N11AG, was destroyed in an accident near Okeechobee, Florida (Okeechobee County airport). It was a personal flight under general aviation rules (Part 91). 2 people were killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

FAILURE OF THE PILOT-IN-COMMAND TO MAINTAIN AIRSPEED (VS) RESULTING IN INADVERTENT STALL/MUSH.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
March 11, 1992 · about 7:44 pm local time
Place
Okeechobee, Florida · Okeechobee County · map
Type
Accident
Injuries
2 people were killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built SX300
Registration
N11AG · registry record · serial FAI-11
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

A WITNESS STATED THAT HE OBSERVED THE AIRPLANE ROLL INTO A 90 DEGREE BANK ANGLE TO THE RT THEN OBSERVED IT DESCENDING NOSE & LT WING LOW UNTIL IMPACT WITH THE WATER. HE FURTHER STATED THAT THE ENGINE WAS RUNNING NORMALLY UNTIL IMPACT. ALL COMPONENTS OF THE AIRPLANE WERE RECOVERED WITH THE EXCEPTION OF THE INBOARD SECTION OF THE LEADING EDGE OF THE LT WING. NO WITNESS REPORTED SEEING ANY OBJECT FALLING OFF THE AIRPLANE BEFORE IMPACT. EXAMINATION OF THE AIRPLANE REVEALED NO EVIDENCE OF FLIGHT CONTROL FAILURE OR MALFUNCTION.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: private
  • Ratings: single-engine land; instrument: airplane
  • Flight time: 1,779 hours in all; 44 in this make and model; 10 in the last 90 days; 2 in the last 30 days; 1,653 as pilot in command
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 44 hours
  • Last inspection: inspection type not recorded, January 2, 2000
  • Maximum gross weight: 2,400 lb
  • Seats: 2
  • Landing gear: retractable
  • Engine: Lycoming IO-540-L1C5 (piston); 0 hours total
  • Operator: Flying Ankers, INC.

The flight

  • Departed from: LNA West Palm Beach FL
  • Flight plan: none
  • Runway 0
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Wind: from 270° at 10 knots
  • Visibility: 10 statute miles
  • Sky: broken clouds at 18,000 ft; scat at 9,500 ft
  • Temperature: 75°F (24°C), dew point 72°F (22°C)
  • Altimeter: 29.00 inHg
  • Observation at 7:52 pm from PBI, 51 miles away

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.