NTSB CAROL · Event
Event LAX84FA005
Registry · N8146T
FAA Aircraft Registry record.
Make / Model
CIRRUS DESIGN SR20
Year of manufacture
2003
Engine
CONT MOTOR IO-360 SER (300 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
20031112
ADS-B equipped
Yes — Mode-S AB1B74
Registrant of record
SINGER GROUP LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
RELATIVES EXPECTED THE PLT TO RETURN HOME ON THE EVENING OF 10/4/83. WHEN HE DID NOT RETURN, RELATIVES REPORT THE ACFT WAS OVERDUE. THE ACFT WAS FOUND WHERE IT COLLIDED WITH A MOUNTAIN AT AN ELEVATION OF ABOUT 3580 FT, 10 MI NORTH OF THE DESTINATION ARPT. THERE WERE NO KNOWN WITNEESES TO THE ACCIDENT. THERE WAS EVIDENCE THE ACFT HAD DEPARTED BIG BEAR, CA AT ABOUT 1715 PDT. ABOUT 15 MI WEST OF THE ACCIDENT SITE, A PERSON SAW AN ACFT, MATCHING THE DESCRIPTION OF N8146T. ACCORDING TO HER, THE ACFT WAS OVER INTERSTATE 5, HEADED TOWARD BURBANK, CA. IN HER OPINION, THE PLT WAS TRYING TO GET OVER NEWHALL PASS, CIRCLED 3 OR 4 TIMES. THEN DEPARTED TO THE EAST. SHE REPORTED INTERMITTENT RAIN & ABOUT 1000 FT CEILING. AT ABOUT 1830, AN ATP PLT REPORTED THUNDERSTORM ACTIVITY OVER THE MOUNTAINS. AT 1845, THE WX AT BURBANK WAS 1300 FT OVERCAST, 4 MI VISIBILITY WITH HAZE. THE ELEVATION OF THE BURBANK ARPT WAS ABOUT 3000 FT LOWER THAN THE ACCIDENT SITE. NO RECORD OF A PREFLT WX BRIEFING WAS FOUND. IMPACT OCCURRED ON 50 DEG RISING TERRAIN. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1983_LAX84FA005.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 (thunderstorm). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
The Impact of Thunderstorms on Take-off Data in South Africa
Aviation and meteorology are entwined disciplines, as aviation occurs in the atmosphere. Prevailing weather conditions at take-off are of utmost importance to aviation.
- NASA NTRS 2019 · Technical Memorandum (TM)
Thunderstorm hazards flight research: Storm hazards 1980 overview
A highly instrumented NASA F-106B aircraft, modified for the storm hazards mission and protected against direct lightning strikes, was used in conjunction with various ground based radar and lightning…
- NASA NTRS 2019 · Conference Proceedings
Operational evaluation of thunderstorm penetration test flights during project Storm Hazards '80
The National Aeronautics and Space Administration is conducting a research project called Storm Hazards '80 in order to study the prediction, detectability and avoidance of the hazards of severe storm…
- NASA NTRS 2019 · Preprint (Draft being sent to journal)
Nowcasting Thunderstorm Anvil Clouds Over KSC/CCAFS
Electrified thunderstorm anvil clouds extend the threat of natural and triggered lightning to space launch and landing operations far beyond the immediate vicinity of thunderstorm cells.
- NASA NTRS 2019 · Contractor Report (CR)
An Examination of Aviation Accidents Associated with Turbulence, Wind Shear and Thunderstorm
The focal point of the study reported here was the definition and examination of turbulence, wind shear and thunderstorm in relation to aviation accidents.
- NASA NTRS 2019 · Reprint (Version printed in journal)
Observations of severe turbulence near thunderstorm tops
Data derived from the flight tapes of two airliners that experienced severe turbulence near thunderstorm tops are used to produce quantitative descriptions of the turbulence and its environment.
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