NTSB CAROL · Event
Event LAX83IA080
Registry · N602TW
FAA Aircraft Registry record.
Make / Model
VAN'S AIRCRAFT RV-4
Engine
LYCOMING 0-360-A1D (180 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
20000603
ADS-B equipped
Yes — Mode-S A7D06B
Registrant of record
CHRYSALIDE LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
WHILE DESCENDING THRU 12,000 FT APRX 40 MI EAST OF SAN DIEGO, CA, THE LEFT OVERWING EVACUATION SLDE ANNUNCIATOR LIGHT ILLUMINATED. THE SLIDE SEPARATED FROM THE ACFT APRX 7 MI EAST OF THE ARPT. NO FLT CONTROL PROBLEMS WERE NOTED. INTEGRITY OF THE SYS WAS FOUND TO BE SATISFACTORY. THE EVACUATION SLIDE SQUIB & ACTUATOR HAD NOT BEEN ACTIVATED. THERE WERE INDICATIONS THAT THE INTEGRATOR LOCKING PIN HAD NOT BEEN FULLY SEATED, WHICH ALLOWED THE LATCH SHAFT TO MOVE AFT, THUS ALLOWING THE DOOR LATCHES TO RELEASE. DURING A MODIFICATION ON 1/22/83, THE LATCH ATTACH SCREWS HAD BEEN CHANGED. THIS MODIFICATION REQUIRED UNLATCHING THE LOCK PIN. AMBIGUITIES WERE FOUND IN THE INSTALLATION PROCEDURE FOR THE OFF- WING SLIDE; THE INSTRUCTIONS FAILED TO DESCRIBE THE MODE OF OPERATON WITH RESPECT TO TURNING DIRECTIONS OF THE LATCH- UNLATCH LEVERS. THIS WAS THE 4TH IN-FLT OVERWING SLIDE DEPLOYMENT. AS A RESULT OF THIS INCIDENT, BOEING BEGAN A DESIGN CHANGE OF THE INTEGRATOR MECHANISM. IN THE INTERIM, COMPLIANCE WITH SB 767-25-5 WAS REQUIRED BY 2/15/83. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1983_LAX83IA080.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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