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Accidents · NTSB FTW94LA020 · Final report

Burkhart Grob G103 accident near San Antonio, Texas, October 25, 1993

On October 25, 1993 at about 9:00 pm local time, a Burkhart Grob G103 (glider), registered N94BG, was substantially damaged in an accident near San Antonio, Texas (Boerne Stage Field). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE PILOT'S FAILURE TO MAINTAIN A VISUAL LOOKOUT. FACTORS WERE: INADEQUATE ALTITUDE AND DISTRACTED ATTENTION.

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

What the record shows

Date
October 25, 1993 · about 9:00 pm local time
Place
San Antonio, Texas · Boerne Stage Field · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Burkhart Grob G103 · all G103s on the register
Registration
N94BG · no longer on the register · serial 3652
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PILOT SAID HE THOUGHT HE WAS 40 FEET ABOVE THE GROUND WHEN HE BANKED RIGHT FROM BASE LEG TO FINAL APPROACH. HE SAID HE HAD BEEN WATCHING THE ALTIMETER INSTEAD OF LOOKING OUTSIDE. HIS ATTENTION WAS DIRECTED OUTSIDE THE AIRCRAFT WHEN HE FELT THE RIGHT WING AND NOSE CONTACT THE GROUND. THE PILOT SAID LATER HE WAS 'UNFAMILIAR WITH THE TERRITORY AND RAN OUT OF AIRSPACE,' AND THAT THE 'ALTIMETER WAS SET WRONG.'

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
  • Flight time: 132 hours in all; 3 in this make and model; 2 in the last 90 days; 1 in the last 30 days; 69 as pilot in command
  • Medical certificate: None
  • Seat: frt

The aircraft

  • Airframe total time: 950 hours
  • Last inspection: annual inspection, March 23, 1993; 88 hours since
  • Maximum gross weight: 1,500 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: (type not recorded); 0 hours total

The flight

  • Flight plan: none
  • Runway 35, 3,400 ft by 36 ft

Weather at the time

  • Light: daylight
  • Wind: from 360° at 5 knots
  • Visibility: 20 statute miles
  • Sky: clear
  • Temperature: 81°F (27°C), dew point 39°F (4°C)
  • Altimeter: 29.00 inHg
  • Observation at 8:50 pm from SAT, 16 miles away

Injuries

FatalSeriousMinorNone
Crew2

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.

Other NTSB records under N94BG the same tail number, which may have belonged to a different aircraft at the time

1992-03-01FTW92LA079 · accident near Boerne, TX · substantial damage · no injuries

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.