- Date
- March 11, 1992, 14:44 local (19:44 UTC)
- Place
- Okeechobee, FL
- Injuries
- 2 fatal
- Damage
- Destroyed
- Phase of flight
- Maneuvering
- Aircraft
- N11AGAnkerman, Donald L. SX300
- Weather
- Visual (VMC) · Day
- Status
- Completed · report August 13, 1993
- Report
- Approved by Office Director
- FAA report
- 19920311005829A
- Case key
- 33075
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
Failure of the pilot-in-command to maintain airspeed (vs) resulting in inadvertent stall/mush.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
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.
Aircraft
- Registration
- N11AG
- Reported as
- Ankerman, Donald L. SX300
- Category
- Airplane, amateur-built
- Serial number
- FAI-11
- Airframe hours
- 44
- Engine
- Lycoming IO-540-L1C5, 300 horsepower, reciprocating
- Damage
- Destroyed
- Flight
- Personal · Part 91
- Operator
- Flying Ankers, Inc.
- Registered owner
- Flying Ankers, Inc.
- Airworthiness certificate
- Special, Experimental (Special)
- Last inspection
- Unknown · January 2, 2000
- Departed
- LNA · West Palm Beach, FL
- Airport
- OBE · Okeechobee County
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 55
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 3, Valid Medical--w/ waivers/lim
- Seat
- Left
- Toxicology
- Performed
- Flight hours
- 1,779 total · 44 in this make and model · 1,653 as pilot in command · 10 in the last 90 days · 2 in the last 30 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 270° at 10 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- 18,000 ft broken
- Temperature
- 75 °F, dew point 72 °F
- Altimeter
- 29.00 inHg
- Observed at
- PBI, 51 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.