CEN21LA419
2021-09-09 · Marshalltown, Iowa, United States · Minor · 1 aircraft · Status: Completed
Airport MIW
Aircraft involved
Probable cause & findings
The pilot’s failure to properly determine the correct fuel quantity during preflight inspection that resulted in a loss of engine power during approach due to fuel exhaustion.
Factual narrative
The pilot stated that he visually inspected the airplane fuel quantity before the flight and estimated there was 6 gallons of fuel. He said there was enough fuel for the planned flight with a fuel consumption rate of 3.5 gallons/hour. After he flew to an airport to perform a touch-and-go landing, in addition to local area flying, he began a return flight to the departure airport. He then realized that the airplane fuel quantity gauge indicated a fuel consumption that was greater than he had planned. About 3 miles from the departure/destination airport, the fuel gauge indicated near empty, and the engine ceased operation. He said he restarted the engine, which operated for about 5 seconds and then quit again. The pilot performed a forced landing on a corn field, during which the airplane nosed over. The airplane sustained substantial damage that included damage to the fuselage, empennage, and both wings. The pilot said the loss of engine power was due to his overestimation of fuel quantity during his preflight of the airplane and the inaccuracy of the fuel gauge. The pilot said there was no mechanical malfunction or failure of the airplane that would have precluded normal operations. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
FAA avdata. C = Cause, F = Factor.
- — Aircraft-Fluids/misc hardware-Fluids-Fuel-Fluid level
- — Aircraft-Aircraft systems-Fuel system-Fuel indication system-Related operating info
- — Personnel issues-Task performance-Inspection-Preflight inspection-Flight crew
Verbatim from NTSB's published report. Source file
NTSB_2021_CEN21LA419.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
Search this event elsewhere
External sources are reported, not agency: signal that something happened, not fact about what happened.
- TallyAero Live Wire Aviation press
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Related research
Matched on aircraft type or causal vocabulary (fuel exhaustion). All research papers
- 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),…
- 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 · Contractor Report (CR) A study of carburetor/induction system icing in general aviation accidents
An assessment of the frequency and severity of carburetor/induction icing in general-aviation accidents was performed. The available literature and accident data from the National Transportation Safet…
- NASA NTRS 2018 · Other Parachuting to Safety
NASA's Langley Research Center awarded Ballistic Recovery Systems, Inc., three Small Business Innovation Research (SBIR) contracts to research and develop a new, low cost, lightweight recovery system …