Amateur-built GW4A accident near Hemet, California, February 20, 1986
On February 20, 1986 at about 10:30 pm local time, a amateur-built GW4A (glider), registered N24GW, was substantially damaged in an accident near Hemet, California (Hemet-Ryan airport). It was a personal flight 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
- February 20, 1986 · about 10:30 pm local time
- Place
- Hemet, California · Hemet-Ryan
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built GW4A
- Registration
- N24GW · registry record · serial #1
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
DURING A TOW OPERATION, THE PLT OF THE TOW PLANE STATED THAT JUST AFTER TAKEOFF THE GLIDER ASSUMED A VERY LOW TOW POSITION, THEN SWUNG VERY HIGH TO THE RIGHT THEN TO THE LEFT. AT APRX 250 FT AGL THE GLIDER PLT RELEASED FROM THE TOW PLANE AND EXECUTED A 180 DEG TURN BACK TO THE ARPT. THE TOW PLANE PLT TURNED TO ESCORT THE GLIDER WHEN AT AN ALT OF 150 FT AGL THE GLIDER ENTERED AN 80 TO 90 DEG NOSEDOWN TURN WHICH WAS HELD TO IMPACT. A MEDICAL EXAMINATION OF THE PLT REVEALED THAT HE HAD A HISTORY OF HEART CONDITION AND AT THE TIME OF THE ACCIDENT EXPERIENCED AN ARRHYTHMIA ASSOCIATED WITH THE MOST RECENT MYOCARDIAL INFRACTION. THE PLTS RECORD OF FLT TIME WAS NOT AVAILABLE OR REPORTED.
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: rotorcraft: glider
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: frt
The aircraft
- Last inspection: inspection type not recorded
- Seats: 1
- Landing gear: fixed
- Engine: (type not recorded); 0 hours total
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 15 statute miles
- Sky: clear
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
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.