NTSB CAROL · Event
Event LAX03LA063
Registry · N498SD
FAA Aircraft Registry record.
Make / Model
YAKOVLEV/DAVIS YAK 3UR-2000
Engine
P & W R-2000 SERIES (1450 hp)
Seats / Engines
1 seats · 1 engine
Last airworthiness date
19990107
ADS-B equipped
Yes — Mode-S A62F64
Registrant of record
DAVIS SAMUEL C
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
failure of the propeller shaft extension mechanism resulting in a loss of power, and the pilot's failure to attain the proper touchdown point.
Factual narrative
On January 9, 2003, about 1715 mountain standard time, a Davis Yak-3 UR-2000, N498SD, collided with terrain during an off airport forced landing at Parker, Arizona. The pilot/owner was operating the airplane under the provisions of 14 CFR Part 91. The private pilot, the sole occupant, sustained serious injuries; the airplane sustained substantial damage. The personal cross-country flight departed Chino, California, at 1600, en route to Parker. Visual meteorological conditions prevailed, and no flight plan had been filed. A witness stated that the airplane attempted to land, but appeared to land long. The airplane was near the end of the runway before the pilot aborted the landing. The witness said that the engine did not sound like it was running smoothly. The airframe sustained substantial damage during a collision with terrain about 1.5 miles from the airport. According to the pilot, after landing long on runway 19, he attempted a go-around. The propeller blades remained in the high-pitch, low-rpm setting, and the engine did not develop sufficient power to sustain flight. He felt that the propeller shaft extension mechanism failed prior to his landing approach, resulting in the loss of propeller control. He felt that this loss of control resulted in the longer than normal landing, and the failure of the engine to deliver sufficient power to maintain flight during the aborted landing. The Airport/Facility Directory, Southwest U. S., indicated that runway 19 was 4,780 feet long and 75 feet wide. The runway surface was asphalt, and the field elevation was 452 feet. The airplane collided with terrain during an off airport forced landing after the failure of the propeller pitch change control during initial climb after an aborted landing. The propeller blades remained in the high-pitch, low-rpm setting, and did not provide sufficient power to sustain flight. The pilot landed the airplane about 1.5 miles from the airport in open desert terrain. The pilot felt that the propeller shaft extension mechanism failed prior to his landing approach at the airport, resulting in a loss of propeller control. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2003_LAX03LA063.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 (loss of control, 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.
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A Scoping Review of Aviation Loss of Control Inflight Research
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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
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- SKYbrary (Eurocontrol) 2024 · SKYbrary article
Loss of Control In-Flight (LOC-I) — SKYbrary Knowledge Base
SKYbrary comprehensive knowledge-base entry on Loss of Control In-Flight — definitions, contributing factors, accident case studies (Air France 447, Colgan 3407), and prevention strategies.
- Embry-Riddle Scholarly Commons 2023 · Conference paper
Utilizing Deep Learning to Predict Unstabilized Approaches for General Aviation Aircraft
Unstabilized approaches pose a major hazard for general aviation aircraft. In the period from 2009 to 2019, 3,257 general aviation accidents occurred during the landing phase of flight in which loss o…
- NTSB Aircraft Accident Reports 2022 · Accident report
Loss of Control on Takeoff in Icing Conditions — Citation 560XL
Cessna Citation 560XL fatal takeoff icing accident, March 2018. Investigation of a Citation 560XL loss-of-control takeoff accident in icing conditions.
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