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Atlas / NTSB / LAX91LA408

NTSB CAROL · Event

Event LAX91LA408

1991-09-26 FREMONT, California, United States Airport · 4CA7 None 1 aircraft Status: Completed

Registry · N4113G

FAA Aircraft Registry record.

Make / Model

BURKHART GROB FLUGZEUGBAU G103 TWIN ASTIR

Year of manufacture

1983 · 8 years old at event

Engine

NONE NONE

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19830621

ADS-B equipped

Yes — Mode-S A4DA9F

Registrant of record

LARSON DAVID A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

THE PILOT FAILED TO ADEQUATELY COMPENSATE FOR THE PREVAILING WIND CONDITIONS.

Factual narrative

THE PILOT STATED THE ACCIDENT OCCURRED ON FINAL APPROACH TO THE AIRPORT. HE STATED HE MADE A NORMAL PATTERN ENTRY AND TURNED BASE AT THE STANDARD 45 DEGREE POINT. ON BASE, HE OPENED THE SPOILERS ABOUT 20%. AS HE TURNED FINAL AND LINED UP WITH THE RUNWAY, HE SAID HE COULD SEE THAT HIS GLIDE SLOPE WOULD TAKE HIM BEYOND THE WHITE LINE, AND WAS EXPECTING TO ADD MORE SPOILERS AS HE GOT CLOSER. THIS CHANGED ABRUPTLY, AS HE WAS CAUGHT IN A DOWNWASH CAUSED BY BUILDINGS ON THE APPROACH PATH. CLOSING THE DIVE BRAKES WAS OF LITTLE HELP. REALIZING HE COULD NOT MAKE THE ALTITUDE BACK, HE TURNED APPROXIMATELY 180 DEGREES TO THE RIGHT AND LANDED IN A SMALL ROUGH FIELD. DURING THE LANDING, THE RIGHT WING CAUGHT AND THE SAILPLANE GROUNDLOOPED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_LAX91LA408.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.