CHI85LA018
1984-10-17 · GROSSE ILE, Michigan, United States · None · 1 aircraft · Status: Completed
Current FAA registration · N9034F
- Make / Model
- HUGHES 369HS
- Year of manufacture
- 1969 · 15 years old at event
- Engine
- ALLISON 250 SER 250HP (250 hp)
- Seats / Engines
- 4 seats · 1 engine
- Last airworthiness date
- 19690913
- ADS-B equipped
- Yes — Mode-S AC7D3B
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
PLT ATTEMPTED TO START HELICOPTER WITH MAIN ROTOR BLADES TIED DOWN. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1984_CHI85LA018.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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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
- NTSB Aircraft Accident Reports 2016 · Accident report Loss of Control on Approach Atlas Air 5Y3591 N7500A
Multiple loss-of-control approach investigations. Series of approach-loss-of-control case studies bundled into one report — examines somatogravic illusion + mode-confusion contributors in turbulent en…
- Semantic Scholar 2011 · Article Characterization and Analysis of Traffic Alert and Collision Avoidance Resolution Advisories Resulting from 500' and 1,000' Vertical Separation FAA TCAS Monitoring in the U.S. National Airspace System
- arXiv 2026 · arXiv preprint nBMS, a Neuromorphic Battery Management System with a Silicon-Validated Spiking State-of-Charge Core for eVTOL Aircraft
State-of-charge (SoC) estimation for electric vertical take-off and landing (eVTOL) aircraft must run on the vehicle under hard energy and certification budgets, on a duty cycle unlike anything in the…
- arXiv 2025 · arXiv preprint Comparing the dynamics of idealized squall lines between NWP and LES models
Both Numerical Weather Prediction (NWP) models and Large-Eddy Simulation (LES) models are used to simulate convective systems, such as squall lines, but with different purposes.
- arXiv 2025 · arXiv preprint Toward Safe Integration of UAM in Terminal Airspace: UAM Route Feasibility Assessment using Probabilistic Aircraft Trajectory Prediction
Integrating Urban Air Mobility (UAM) into airspace managed by Air Traffic Control (ATC) poses significant challenges, particularly in congested terminal environments.
- Embry-Riddle Scholarly Commons 2025 · Journal article (IJAAA) Consumer Preferences and Willingness to Pay for Vertiport Design, Amenities, and Services
The rise of urban air mobility (UAM) and electric vertical takeoff and landing (eVTOL) aircraft necessitates the development of well-designed vertiports that align with consumer expectations.