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Accidents · NTSB CHI91DEM08 · Final report

Fisher FT101 accident near Sparta, Michigan, August 19, 1991

On August 19, 1991, a Fisher FT101, an amateur-built aircraft,, registered N52KP, was substantially damaged in an accident near Sparta, Michigan (Wilderness airport). It was a personal flight under general aviation rules (Part 91). 1 person was seriously injured. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

AN IMPROPER PREFLIGHT INSPECTION BY THE PILOT. FACTORS CONTRIBUTING TO THIS ACCIDENT WERE INADEQUATE ALTITUDE FOR THE TURN BACK TOWARDS THE RUNWAY AND THE STALL/SPIN ENCOUNTERED BY THE PILOT.

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

What the record shows

Date
August 19, 1991
Place
Sparta, Michigan · Wilderness · map
Type
Accident
Injuries
1 person was seriously injured.
Weather
visual conditions (good weather)
Aircraft
Fisher FT101, amateur-built
Registration
N52KP · registry record · serial KP-1
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE SINGLE ENGINE HOMEBUILT AIRPLANE SAT OUTSIDE DURING A HEAVY RAINSTORM ACCORDING TO A WITNESS. THE STORM PASSED BY AND THE PILOT DECIDED TO FLY THE AIRPLANE. A WITNESS STATED HE OBSERVED THE PILOT SIT IN THE AIRPLANE RUNNING THE ENGINE FOR APPROXIMATELY FIVE MINUTES BEFORE TAKEOFF. DURING CLIMBOUT THE AIRPLANE'S ENGINE CEASED OPERATING AT APPROXIMATELY 150 TO 200 FEET ABOVE THE GROUND. STATEMENT FROM WITNESSES CONFLICT WITH EACH OTHER. TWO STATED THE ENGINE GRADUALLY LOST POWER, ONE STATED THE ENGINE STOPPED AFTER SOUNDING LIKE IT HAD A FOULED SPARKPLUG. THE PILOT STATED THE ENGINE FAILURE WAS DUE TO WATER IN THE FUEL TANK. THE PILOT ATTEMPTED A TURN BACK TO THE AIRPORT DUE TO OBSTRUCTIONS WHICH WERE IN HIS EMERGENCY LANDING DESCENT PATH. THE AIRPLANE WAS OBSERVED TO STALL AND SPIN UNTIL COLLIDING WITH THE GROUND. AN ON SCENE INVESTIGATION REVEALED THAT NO FUEL EXISTED IN THE AIRPLANES FUEL TANK OR CARBURETOR FLOAT BOWL.

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
  • Flight time: 480 hours in all; 150 in this make and model
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: ctr

The aircraft

  • Last inspection: inspection type not recorded, January 2, 2000
  • Maximum gross weight: 585 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: Kawasaki TA440A-F204 (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 9, 2,615 ft by 100 ft

Weather at the time

  • Light: daylight
  • Sky: not recorded; not recorded
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1

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.