NTSB CAROL · Event
Event LAX88FA148
Registry · N6ET
FAA Aircraft Registry record.
Make / Model
GRUMMAN AMERICAN GA-7
Year of manufacture
1978 · 10 years old at event
Engine
LYCOMING 0-320 SERIES (180 hp)
Seats / Engines
4 seats · 2 engines
Last airworthiness date
19780831
ADS-B equipped
Yes — Mode-S A7C303
Registrant of record
SUMNER GARY
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
BEFORE THE ACDNT, WITNESSES OBSERVED THE ACFT CIRCLING IN A VALLEY BENEATH A LOW CLOUD LAYER & BELOW THE SURROUNDING HILLTOPS. THEY ESTIMATED THE CEILING WAS 400' OBSCURED. TWO WITNESSES SAID THE ACFT ENTERED CLOUDS BEFORE IT CRASHED. A 3RD WITNESS, WHO WAS A PLT, SAID THE ACFT WAS AT A VERY LOW ALT WHEN IT APCHD RISING/MOUNTAINOUS TERRAIN; HE SAID THE ACFT THEN ENTERED A STEEP CLIMBING TURN & STALLED AFTER MAKING 2 COMPLETE TURNS. IMPACT OCCURRED IN A NOSE LOW, LEFT WING DOWN ATTITUDE. NO PREIMPACT MECHANICAL PROBLEM WAS FOUND. THE FAA HAD ISSUED THE PLT A SPECIAL 3RD CLASS MED CERT AFTER HE HAD QUINTUPLE HEART BYPASS SURGERY. HE WAS RPRTD TO HAVE GOTTEN 'QUITE ANGRY' BEFORE THE FLT, WHEN 2 PAXS WERE LATE. A PATHOLOGIST BELIEVED THE PLT'S DEATH MAY HAVE BEEN DUE TO ARTERIOSCLEROTIC HEART DISEASE; HOWEVER, THIS WAS NOT VERIFIED. THE PLT DID NOT HAVE AN INSTRUMENT RATING & NO RECORD OF A PREFLT WX BRIEFING WAS FOUND. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1988_LAX88FA148.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (stall). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2026 · Conference Paper
Computational Analysis of Steady State Aerodynamics of Transonic Truss-Braced Wing Configuration in Deep Stall
This study presents a computational investigation of steady state aerodynamics of the Subsonic Ultra-Green Aircraft Research (SUGAR) Transonic Truss-Braced Wing (TTBW) configuration over a wide range …
- arXiv 2023 · arXiv preprint
Automating Bird Diverter Installation through Multi-Aerial Robots and Signal Temporal Logic Specifications
This paper tackles the task assignment and trajectory generation problem for bird diverter installation using a fleet of multi-rotors.
- arXiv 2023 · arXiv preprint
Variation of Critical Crystallization Pressure for the Formation of Square Ice in Graphene Nanocapillaries
Two-dimensional square ice in graphene nanocapillaries at room temperature is a fascinating phenomenon and has been confirmed experimentally.
- arXiv 2023 · arXiv preprint
Polycrystallinity enhances stress build-up around ice
Damage caused by freezing wet, porous materials is a widespread problem, but is hard to predict or control. Here, we show that polycrystallinity makes a great difference to the stress build-up process…
- arXiv 2022 · arXiv preprint
Enhanced Prediction of Three-dimensional Finite Iced Wing Separated Flow Near Stall
Icing on three-dimensional wings causes severe flow separation near stall. Standard improved delayed detached eddy simulation (IDDES) is unable to correctly predict the separating reattaching flow due…
- Embry-Riddle Scholarly Commons 2021 · Journal article (JAAER)
Analysis on the Negative Emotional, Physiological, and Cognitive Responses Elicited from of the Activation of a Stall Alarm
Failing to identify an aerodynamic stall can lead to the inability of an aircraft to sustain flight. To warn pilots of an impending or fully-developed stall, many aircraft have safety devices installe…
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