NTSB CAROL · Event
Event WPR16LA069
Registry · N1181W
FAA Aircraft Registry record.
Make / Model
BELL 47G-3B-1
Year of manufacture
1966 · 50 years old at event
TCDS
2H3 · SCOTT'S-BELL 47 INC
Engine
LYCOMING TVO-435-GIA (280 hp)
Seats / Engines
3 seats · 1 engine
Last airworthiness date
19960809
ADS-B equipped
Yes — Mode-S A04C7B
Registrant of record
DICK RICHARD A
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to maintain sufficient main rotor rpm, which resulted in a loss of helicopter control and a dynamic rollover.
Factual narrative
On February 13, 2016, about 1500 Pacific standard time, a Bell 47G-3B-1 helicopter, N1181W, sustained substantial damage while attempting to land at the Carson Airport, Carson City, Nevada. The private pilot and the pilot-rated passenger sustained minor injuries. The helicopter was registered to and operated by the pilot as a local flight under the provisions of 14 Code of Federal Regulations Part 91. Visual meteorological conditions prevailed for the flight, and no flight plan was filed. The flight originated from the Carson Airport about 1315. In a written statement, the pilot reported that he had accomplished three previous take off and landings, and the helicopter was operating normally. On the fourth landing attempt, as he was transitioning to a hover, he noticed that the rotor RPM was slightly low. He attempted to raise the RPM by adding power, but did not get a response, and the helicopter settled onto the taxiway. He then pulled up on the collective to come back into a hover, but the rotor RPM was still low. He continued to try and raise the rotor RPM, but the helicopter started to yaw and drift to the right, and the right hand skid touched the ground off of the right side of the taxiway, initiating a dynamic rollover. The helicopter rolled onto its right side and came to rest in the dirt on the side of the taxiway. The pilot stated that he was new to this helicopter, and it was likely that he allowed the rotor RPM to decay to a point that he was unable to recover. He stated that there were no preaccident mechanical anomalies with the helicopter that would have precluded normal operation. The private pilot was practicing takeoffs and landings to a taxiway. The pilot reported that, during his fourth landing attempt and as he was transitioning to a hover, he noticed that the helicopter's main rotor rpm was slightly low, and he attempted to increase the rpm by adding power. However, the helicopter did not respond and settled onto the taxiway. The pilot then raised the collective to bring the helicopter back to a hover, but the rotor rpm was still low. The pilot continued to try and add power, but the helicopter drifted right, and the right skid then contacted the ground off the side of the taxiway, which resulted in a dynamic rollover and substantial damage to the airframe and rotor blades. The pilot stated that he was new to this type of helicopter, and it is likely that he allowed the main rotor rpm to decay to a point from which he was unable to recover. He stated that there were no preaccident mechanical anomalies with the helicopter that would have precluded normal operation. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- C Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot - C
- C Personnel issues-Task performance-Use of equip/info-Use of equip/system-Pilot - C
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-(general)-Not attained/maintained - C
- C Aircraft-Aircraft propeller/rotor-Main rotor system-(general)-Incorrect use/operation - C
- — Personnel issues-Experience/knowledge-Experience/qualifications-Total experience w/ equipment-Pilot
Verbatim from NTSB's published report. Source file
NTSB_2016_WPR16LA069.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 (icing). 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 · Contractor Report (CR)
Icing Physics Studies Using the 3D SIDRM Test Article: 2023 Icing Tests Analysis
In-flight icing is an important safety issue and is a factor that affects aircraft design and performance. Newer regulations are driving a need for improvements in airframe and engine icing simulation…
- arXiv 2025 · arXiv preprint
Multi-Agent Deep Reinforcement Learning for UAV-Assisted 5G Network Slicing: A Comparative Study of MAPPO, MADDPG, and MADQN
The growing demand for robust, scalable wireless networks in the 5G-and-beyond era has led to the deployment of Unmanned Aerial Vehicles (UAVs) as mobile base stations to enhance coverage in dense urb…
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Mathematical Model on the Temporal Dynamics of Aviation Competitive Pricing
This study investigates the competitive dynamics of airport pricing using U.S. airport data to validate the findings. It employs linear and nonlinear ordinary differential equation models to analyze t…
- NASA NTRS 2025 · Presentation
NASA Icing Update – March 2025
This NASA Icing Update was prepared for presentation to the SAE International AC-9C Inflight Icing Technology Committee. This update includes the following topics: planned Rotational Icing Scaling tes…
- arXiv 2024 · arXiv preprint
An energy-stable phase-field model for droplet icing simulations
A phase-field model for three-phase flows is established by combining the Navier-Stokes (NS) and the energy equations, with the Allen-Cahn (AC) and Cahn-Hilliard (CH) equations and is demonstrated ana…
- NASA NTRS 2024 · Presentation
NASA Icing Update – Oct 2024
This presentation provides a status update on select NASA icing research activities for the SAE AC-9C Icing Technical Committee Meeting on Oct 21, 2024.
Browse the full corpus — academia portal ↗