NTSB CAROL · Event
Event WPR25LA290
Registry · N955AL
FAA Aircraft Registry record.
Make / Model
EUROCOPTER DEUTSCHLAND GMBH EC 135 T2+
Year of manufacture
2007 · 18 years old at event
TCDS
H88EU · AIRBUS HELICOPTERS DEUTSCHLAND GMBH (AHD)
Engine
TURBOMECA ARRIUS 2B2 (642 hp)
Seats / Engines
12 seats · 2 engines
Last airworthiness date
20070510
ADS-B equipped
Yes — Mode-S AD4745
Registrant of record
AIR METHODS LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
On September 23, 2025, at 2303 Pacific daylight time, a Eurocopter EC-135 T2+, N955AL, was substantially damaged when it was involved in an accident near Whittier, Washington. The pilot and three medical crew members received minor injuries. The helicopter was operated by Air Methods, LLC as a Title 14 Code of Federal Regulations Part 135 air medical flight. The pilot stated that while en route back to the helicopter’s base, he received a request to transport a medical patient. The pilot received the scene coordinates and proceeded to the location. Upon arrival, he determined the coordinates were incorrect by a few miles. After circling, he established communication with the landing zone (LZ) commander on the ground and was able to locate the scene. The LZ was located at an interstate highway exit adjacent to the highway, and the surface consisted of gravel and dirt. During his initial approach, he opted to perform a go-around maneuver and then establish an approach from another direction. The pilot further stated that he communicated with the onboard crew throughout the approach about their view and obstructions. The helicopter passed surrounding treetops and light poles and continued to the LZ. As the helicopter descended, the crewmember positioned in the left-front seat communicated that she observed dust accumulating in the air, which the pilot acknowledged. The helicopter continued to descend and, as it neared terrain, the crew’s visibility was reduced by dust/dirt, which the pilot described as “brown out.” According to the pilot, he maintained visual reference to a light on a vehicle parked at the scene, but decided not to abort the landing due to the rising terrain and nearby obstacles surrounding the LZ. As he attempted to maintain the helicopter in a hover about two feet above the ground, the helicopter impacted a mound of gravel and rolled onto its right side. (See Figure 1). The pilot reported no pre impact mechanical failures or malfunctions that would have precluded normal operation. Figure 1: Accident location (photo courtesy of Federal Aviation Administration) Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2025_WPR25LA290.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 (go-around). 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 2025 · Conference Paper
A Training Study to Improve Monitoring During A Go-Around
As part of an FAA program to improve go-around (GA) safety, we were asked to determine if we could improve the performance of the Pilot Monitoring (PM) during a GA maneuver.
- Flight Safety Foundation 2024 · FSF / AeroSafety World
Go-Around Safety Forum Findings
Foundation Go-Around Safety Forum technical findings — examines why pilots fail to execute go-arounds when criteria are met (stabilized approach gate not met, energy state out of envelope, traffic con…
- Semantic Scholar 2022 · Article (Journal of Safety Research)
Go-around accidents and general aviation safety.
INTRODUCTION Changes in General Aviation (GA) accident rates, specifically in the go-around phase, are examined by comparing the number of accidents, the proportion of fatal accidents, and the proport…
- Semantic Scholar 2021 · Article (Aerospace)
Classification and Analysis of Go-Arounds in Commercial Aviation Using ADS-B Data
Go-arounds are a necessary aspect of commercial aviation and are conducted after a landing attempt has been aborted. It is necessary to conduct go-arounds in the safest possible manner, as go-arounds …
- NASA NTRS 2021 · Accepted Manuscript (Version with final changes)
Go-Around Criteria Refinement for Transport Category Aircraft
Presently, airline pilots are trained to go around if, when lower than 500 ft above the ground, they are outside of a handful of parameters such as airspeed, position, and rate of descent.
- NASA NTRS 2019 · Conference Paper
Validation of Proposed Go-Around Criteria Under Various Environmental Conditions
This paper evaluates the effects of environmental conditions on touchdown performance under varying approach states and validates proposed go-around criteria developed using data from a previously con…
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