SEA70DWD22
1970-05-14 · MT.VERNON, Washington, United States · None · 1 aircraft · Status: Completed
Current FAA registration · N845V
- Make / Model
- WACO CTO
- Year of manufacture
- 1930 · 40 years old at event
- Engine
- WRIGHT 760A B D E&ET (250 hp)
- Seats / Engines
- 3 seats · 1 engine
- Last airworthiness date
- 19560512
- ADS-B equipped
- Yes — Mode-S AB9447
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Historical record (pre-1982 coded fields)
- Aircraft
- WACO CTO · N845V
- Damage
- Substantial
- Craft type
- Airplane
- Classification
- Accident
- Light condition
- Dawn
- Weather
- VMC
- Phase of flight
- Cruise — descent (EF)
- Operator type
- D
- Airport
- LONGNECKER STRIP
- Kind of flying
- B0
Weather at impact
- Sky
- CLEAR
- Temp
- 50° F
Aircraft history
- Serial number
- 0000000A3225
- Total time
- 3,286 hrs
Pilot
- Certificate
- Commercial
- Total hours
- 6,000
- Age
- 49
Probable cause (from PRE1982.MDB)
DURATION 1.5HRS DAY OF ACCIDENT,3 LANDINGS.
Investigator remarks
HIT GRUMMAN AG-CAT G164 N698Y DMG UNKN.CHECKOUT
Cause factors
- 64/C/31 C PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT Cause
- 64/C/79 C PILOT IN COMMAND FAILED TO MAINTAIN DIRECTIONAL CONTROL Cause
- 64/C/82 C PILOT IN COMMAND FAILED TO INITIATE GO-AROUND Cause
Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table).
Source: NTSB pre-1982 historical archive. Docket
3 2103.
Source file
NTSB_1970_3_2103.txt.
Modern CAROL record on
data.ntsb.gov ↗.
Search this event elsewhere
External sources are reported, not agency: signal that something happened, not fact about what happened.
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Related research
Matched on aircraft type. All research papers
- arXiv 2026 · arXiv preprint Trajectory Bundle Method in SE(3) for Black-Box Fixed-Wing Aircraft Trajectory Optimization
Dynamically feasible trajectory optimization for rigid-body systems is naturally formulated on the special Euclidean group SE(3) but is challenging when dynamics are available only as black-box comput…
- arXiv 2026 · arXiv preprint ETA Coordination at UAM Corridor Merging Points Using Worst-Case and Stochastic Trajectory Bounds
We study an Estimated Time of Arrival (ETA)-based traffic-coordination framework for Urban Air Mobility corridors with merging at constrained waypoints (CWPs), where approved ETAs at CWPs serve as Req…
- arXiv 2026 · arXiv preprint Obstacle-Aware Four-Dimensional Trajectory Design for Urban Air Mobility
Urban Air Mobility (UAM) with electric Vertical TakeOff and Landing (eVTOL) vehicles can help address ground traffic congestion.
- arXiv 2026 · arXiv preprint Coordinated Incremental Trajectory Tracking of a Tailsitter Drone
This paper derives an analytical differential flatness transform for a tailsitter Unmanned Aerial Vehicle (UAV) under coordinated flight conditions using a simplified aerodynamic model.
- arXiv 2026 · arXiv preprint Diffusion-based 4D Trajectory Prediction and Distributed Control for UAV Swarms
Accurate 4D trajectory prediction and closed-loop tracking are essential for Unmanned Aerial Vehicle (UAV) swarms to achieve safe and efficient operations in complex low-altitude environments such as …
- arXiv 2026 · arXiv preprint Scalable Online Flight Trajectory Optimization via Sequential Quadratic Programming for Urban Air Mobility in Ultra Low-Altitude Airspace
As Urban Air Mobility (UAM) scales toward high-density operations, generating collision-free trajectories within complex 3D cityscapes is a critical safety requirement.