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Accidents · NTSB MIA97LA112 · Final report

Amateur-built ZEPHYR II accident near Bunnell, Florida, March 31, 1997

On March 31, 1997 at about 10:45 pm local time, a amateur-built ZEPHYR II, registered N52958, was substantially damaged in an accident near Bunnell, Florida (Flagler County 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

Inadvertent stall/mush by the pilot while maneuvering for a forced landing. Contributing to the accident was the partial loss of engine power due to a partial failure of the top compression ring of one of the cylinders.

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

What the record shows

Date
March 31, 1997 · about 10:45 pm local time
Place
Bunnell, Florida · Flagler County · map
Type
Accident
Injuries
1 person was seriously injured.
Weather
visual conditions (good weather)
Aircraft
Amateur-built ZEPHYR II
Registration
N52958 · no longer on the register · serial Z2AK018
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

During the initial climb the engine experienced a partial loss of power due to a partial failure of the top compression ring of one of the cylinders. While maneuvering for a forced landing, the airplane stalled and impacted the ground.

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: 900 hours in all; 100 in this make and model; 15 in the last 90 days; 3 in the last 30 days
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: frt

The aircraft

  • Last inspection: annual inspection
  • Maximum gross weight: 1,100 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Rotax 582 (piston); 0 hours total

The flight

  • Departed from: X47 at 10:40 pm
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 040° at 6 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 68°F (20°C), dew point 43°F (6°C)
  • Altimeter: 29.00 inHg
  • Observation at 10:53 pm from DAB, 18 miles away

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.