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Accidents · NTSB SEA88LA155 · Preliminary: the investigation is not finished

Amateur-built R-2 accident near Reno, Nevada, August 18, 1988

On August 18, 1988 at about 4:45 pm local time, a amateur-built R-2, registered N711HM, was destroyed in an accident near Reno, Nevada. It was a flight of an unrecorded kind under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

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

What the record shows

Date
August 18, 1988 · about 4:45 pm local time
Place
Reno, Nevada · map
Type
Accident
Injuries
1 person was killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built R-2
Registration
N711HM · registry record · serial 4
Damage
Destroyed
Flight
Flight of an unrecorded kind · general aviation rules (Part 91)

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

ACFT HAD BEEN FITTED WITH NEW OUTER WING PANELS OF ELLIPTICAL DESIGN AND WAS ON SIXTH TEST FLIGHT FOR RACING CERTIFICATION, EXPLORING G ENVELOPE. INVESTIGATION REVEALED RIGHT OUTER PANEL SEPARATED IN FLIGHT DURING MANEUVERING. FAILURE OCCURRED IN CENTER SECTION SPAR INBOARD OF THE PANEL ATTACH FITTING. NO EVIDENCE FOUND OF PRE-EXISTING DEFECT.

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: airline transport pilot, flight instructor, commercial pilot
  • Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instructor: glider; instructor: instrument helicopter; instrument: airplane; rotorcraft: glider
  • Flight time: 8,329 hours in all; 242 on instruments
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: ctr

The aircraft

  • Last inspection: inspection type not recorded, July 31, 1988
  • Maximum gross weight: 860 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: Continental O-200 (piston); 0 hours total
  • Operator: Explorer Aircraft Company

The flight

  • Departed from: 4SD Reno NV at 4:45 pm
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Visibility: 50 statute miles
  • Sky: clear
  • Temperature: 81°F (27°C), dew point 0°F (-18°C)
  • Altimeter: 30.00 inHg
  • Observation at 4:50 pm from RNO, 14 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.