NTSB CAROL · Event
Event ANC13CA042
Aircraft involved
Probable cause & findings
The pilot's continued flight into adverse weather and his failure to maintain clearance from terrain while on approach in flat light conditions. Contributing to the accident was the pilot's delayed decision to initiate a go-around.
Factual narrative
The pilot of a scheduled commuter flight reported that he was about 4 miles north of the destination airport, operating in VFR weather conditions. According to the operator, as the flight approached the airport, the visibility was reduced due to fog. The pilot then initiated a gradual descent over an area of featureless, snow-covered terrain, which made it difficult to discern any topographical terrain features due to flat light conditions. In the operator’s written statement to the NTSB, it was reported that the pilot could see his destination airport in the distance, but during the descent he became “uncomfortable” with the approach, and he initiated a go-around. The airplane subsequently collided with a snow-covered frozen river, about 1 mile from the approach end of the airport, sustaining substantial damage to the wings and fuselage. The pilot reported that there were no preaccident mechanical problems with the airplane. In a written statement provided by one of the passengers aboard the accident airplane, she wrote, in part: “…I looked out the window to my right to see if I could see the airport and did not, it was too foggy.” The operator reported that the accident flight was the pilot’s second attempt to reach the destination airport that day. During the previous flight that morning poor weather conditions prevailed, so the pilot returned to his departure airport to wait for weather conditions to improve. The pilot of a scheduled commuter flight reported that he was about 4 miles north of the destination airport and operating in VFR weather conditions. According to the operator, as the flight approached the airport, the visibility was reduced due to fog. The pilot then initiated a gradual descent over an area of featureless, snow-covered terrain, which made it difficult to discern any topographical terrain features due to flat light conditions. The operator reported that the pilot could see his destination airport in the distance but that, during the descent, he became “uncomfortable” with the approach, and he initiated a go-around. The airplane subsequently collided with a snow-covered frozen river, about 1 mile from the approach end of the airport, sustaining substantial damage to the wings and fuselage. The pilot reported that there were no preaccident mechanical problems with the airplane. One of the passengers aboard the accident airplane wrote, in part, “I looked out the window to my right to see if I could see the airport and did not, it was too foggy.” The operator reported that the accident flight was the pilot’s second attempt to reach the destination airport that day. During the previous flight that morning, poor weather conditions prevailed, so the pilot returned to his departure airport to wait for weather conditions to improve. 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 Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Altitude-Not attained/maintained - C
- C Personnel issues-Action/decision-Info processing/decision-Decision making/judgment-Pilot - C
- — Environmental issues-Conditions/weather/phenomena-Light condition-Flat light-Contributed to outcome
- — Environmental issues-Conditions/weather/phenomena-Ceiling/visibility/precip-Fog-Contributed to outcome
- F Personnel issues-Action/decision-Action-Delayed action-Pilot - F
- F Personnel issues-Action/decision-Info processing/decision-Decision making/judgment-Pilot - F
Verbatim from NTSB's published report. Source file
NTSB_2013_ANC13CA042.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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