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Duckbutt LLC

1 aircraft registered with the FAA to this llc of Castle Rock, CO.

N85303 1951 Grumman HU-16BFixed-wing, multi-engine Castle Rock, CO Registered

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An independent site built from the Federal Aviation Administration's public aircraft registry, updated nightly by the FAA. Not affiliated with the FAA. Records can lag the official registry; the FAA's own records are authoritative. For people registered as individuals, we show the city and state but not the street address.

Data last updated Nov 2, 2026. © 2026 MMR Internet, LLC.