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Accidents · NTSB CHI98LA368 · Final report

Amateur-built AA-5B accident near Deadwood, South Dakota, July 26, 1998

On July 26, 1998 at about 8:30 pm local time, a amateur-built AA-5B, registered N4535P, was destroyed in an accident near Deadwood, South Dakota. 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

The pilot's failure to maintain adequate clearance from the trees.

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

What the record shows

Date
July 26, 1998 · about 8:30 pm local time
Place
Deadwood, South Dakota · map
Type
Accident
Injuries
2 people were killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built AA-5B
Registration
N4535P · no longer on the register · serial AA5B1271
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

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

The airplane was reported missing on the day of its departure. It was found 6-days later. Circumstances surrounding the accident are unknown. On the day the airplane was reported missing, visual meteorological conditions prevailed. The on- scene investigation revealed that the airplane collided with tress and terrain and was consumed by the post-impact fire. Examination of the airframe and engine showed no anomalies that would have prevented flight.

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: 875 hours in all
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Last inspection: annual inspection, April 9, 1998
  • Maximum gross weight: 2,000 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-360-A4K (piston); 0 hours total
  • Fire on the ground

The flight

  • Departed from: SPF at 7:30 pm
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 020° at 9 knots
  • Visibility: 10 statute miles
  • Sky: broken clouds at 9,500 ft; clear
  • Temperature: 81°F (27°C), dew point 55°F (13°C)
  • Altimeter: 30.00 inHg
  • Observation at 7:55 pm from RAP, 17 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.