NTSB CAROL · Event
Event SEA75FYE19
Aircraft involved
Historical record (pre-1982)
NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.
Aircraft
CESSNA 150 · N4481U
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EB
Operator type
D
Airport
HARVEY-SNOHOMISH
Kind of flying
B0
Weather at impact
Sky
SCATTERED-ABOVE 1000 FEET
Aircraft history
Serial number
Z
Pilot
Certificate
Commercial — instrument
Total hours
389
Age
44
Probable cause (from PRE1982.MDB)
PITCHED DOWN.
Investigator remarks
CLRD PWR LINES WITH NOSE HIGH ATTITUDE,THEN NOSE
Cause factors
- 64/A/16 A PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED Cause — pilot/personnel action
- 88/J/22 J MISCELLANEOUS ACTS,CONDITIONS POORLY PLANNED APPROACH Joint cause
- 83/J/I J TERRAIN HIGH OBSTRUCTIONS Joint cause
Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.
Source: NTSB pre-1982 historical archive. Docket
3 3830.
Source file
NTSB_1974_3_3830.txt.
Modern CAROL record 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. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- arXiv 2025 · arXiv preprint
Visual Heading Prediction for Autonomous Aerial Vehicles
The integration of Unmanned Aerial Vehicles (UAVs) and Unmanned Ground Vehicles (UGVs) is increasingly central to the development of intelligent autonomous systems for applications such as search and …
- arXiv 2025 · arXiv preprint
FalconWing: An Ultra-Light Indoor Fixed-Wing UAV Platform for Vision-Based Autonomy
We introduce FalconWing, an ultra-light (150 g) indoor fixed-wing UAV platform for vision-based autonomy. Controlled indoor environment enables year-round repeatable UAV experiment but imposes strict …
- arXiv 2024 · arXiv preprint
Enhanced Equivalent Circuit Model for High Current Discharge of Lithium-Ion Batteries with Application to Electric Vertical Takeoff and Landing Aircraft
Conventional battery equivalent circuit models (ECMs) have limited capability to predict performance at high discharge rates, where lithium depleted regions may develop and cause a sudden exponential …
- Embry-Riddle Scholarly Commons 2024 · Conference paper
A Double Taboo? An Exploratory Study of Mental Health Perceptions amongst Black Aerospace Professionals
This exploratory study delves into the often-overlooked realm of mental health perceptions among Black aerospace professionals, shedding light on a double taboo within a historically stigmatized indus…
- Semantic Scholar 2023 · Article (AIAA SCITECH 2023 Forum)
The Impact of Multi-Stack Fuel Cell Configurations on Electrical Architecture for a Zero Emission Regional Aircraft
All-electric aircraft can eliminate greenhouse gas emissions during aircraft mission, but the low predicted energy storage density of batteries (=0.5 kWh/kg), and their life cycle, limits aircraft pay…
- Embry-Riddle Scholarly Commons 2022 · Conference paper
Creating the Next Generation of Aviation Professionals: Creating Diversity in the Next Generation
Covid-19, mandatory retirement age, the 1500 Hour ATP rule and lack of future aviation professionals has lead to a global industry crisis.
Browse the full corpus — academia portal ↗