NTSB CAROL · Event
Event GAA17CA260
Aircraft involved
Probable cause & findings
The separated fuel tank selector knob roll pin, which prevented the fuel selector from moving to the fuel tank position for the tank with usable fuel and resulted in fuel starvation and the subsequent total loss of engine power.
Factual narrative
The pilot reported that, during the initial climb, about 1,000 ft above the ground, he "saw the engine power winding down." He added that he "turned on" the boost pump, checked the magnetos and fuel mixture, and then switched the fuel selector to the other fuel tank. The engine experienced a total loss of power and then impacted the ground. The airplane sustained substantial damage to the fuselage. The Federal Aviation Administration inspector reported that he traveled to the accident, and while on-site, he observed that the fuel selector knob set screw was loose and that the knob turned freely on the shaft. The set screw doesn’t keep the knob keyed; it just stops it from coming off. A roll pin keeps the shaft in position and was observed in the selector well. The pilot did not submit the National Transportation Safety Board Form 6120.1 Pilot/Operator Aircraft Accident/Incident Report. 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 systems-Fuel system-Fuel selector/shutoff valve-Malfunction - C
Verbatim from NTSB's published report. Source file
NTSB_2017_GAA17CA260.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 (fuel starvation). 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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- AOPA Air Safety Institute 2023 · Safety advisor
Safety Advisor: Fuel Awareness
AOPA Air Safety Institute safety advisor on preventing fuel-exhaustion and fuel-starvation accidents in general aviation. Covers pre-flight fuel planning, reserve requirements (14 CFR 91.151, 91.167),…
Browse the full corpus — academia portal ↗