NTSB CAROL · Event
Event ANC12CA021
Registry · N991AK
FAA Aircraft Registry record.
Make / Model
BEECH C-99
Year of manufacture
1982 · 30 years old at event
Engine
P&W CANADA PT6A-36 (750 hp)
Seats / Engines
17 seats · 2 engines
Last airworthiness date
20151208
ADS-B equipped
Yes — Mode-S ADD664
Registrant of record
LAKE CLARK AIR INC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's premature power reduction, which resulted in a runway undershoot.
Factual narrative
The pilot was landing a twin-engine turboprop airplane on a runway surrounded by snow berms. The pilot reported that as he approached the runway threshold, he reduced engine power to flight idle to descend, and the airplane's main landing gear collided with the snow berm at the approach end of the runway. A postflight inspection revealed substantial damage to the left wheel well bulkhead assembly. The pilot said that there were no preaccident mechanical anomalies with the airplane. The pilot was landing the airplane on a runway surrounded by snow berms. He reported that, as the airplane approached the runway threshold, he reduced engine power to flight idle to descend, and the airplane's main landing gear collided with the snow berm at the approach end of the runway. A postflight inspection revealed substantial damage to the left wheel well bulkhead assembly. The pilot said that there were no preaccident mechanical anomalies with the airplane. 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).
- — Environmental issues-Physical environment-Terrain-Snowy/icy-Contributed to outcome
- C Personnel issues-Action/decision-Action-Incorrect action performance-Pilot - C
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Descent/approach/glide path-Not attained/maintained - C
Verbatim from NTSB's published report. Source file
NTSB_2012_ANC12CA021.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. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2022 · Journal article (JAAER)
A Panel Study of Outsourced Maintenance Impact on Major U.S. Passenger Airlines' Profitability (1995-2019)
This study investigates eight viable United States major passenger airlines' outsourced maintenance impact on profitability between 1995 and 2019 by using panel data analysis.
- NASA NTRS 2019 · Conference Publication (CP)
The 1991 International Conference on Aging Aircraft and Structural Airworthiness
Civil aviation serves a strategic interest to the United States. Thus, the need to maintain a high standard of aviation safety is axiomatic.
- NASA NTRS 2019 · Abstract
U.S. Civil Rotorcraft Accidents, 1963 through 1997
The U.S. National Transportation Safety Board (NTSB) has recorded 8,436 rotorcraft accidents during the period mid - 1963 through the end of 1997.
- NASA NTRS 2019 · Technical Memorandum (TM)
U.S. Civil Rotorcraft Accidents, 1963 Through 1997
Narrative summary data produced by the U.S. National Transportation Safety Board (NTSB) has been obtained and analyzed for all 8,436 U.S.
- NASA NTRS 2019 · Technical Memorandum (TM)
An Analysis of U.S. Civil Rotorcraft Accidents by Cost and Injury (1990-1996)
A study of rotorcraft accidents was conducted to identify safety issues and research areas that might lead to a reduction in rotorcraft accidents and fatalities.
- NASA NTRS 2019 · Conference Paper
Analysis of Convair 990 rejected-takeoff accident with emphasis on decision making, training and procedures
This paper analyzes a NASA Convair 990 (CV-990) accident with emphasis on rejected-takeoff (RTO) decision making, training, procedures, and accident statistics.
Browse the full corpus — academia portal ↗