N85303
Grumman HU-16B
Valid
Colorado
N85303 is a Grumman HU-16B, a fixed-wing airplane with more than one motor with a piston engine, built in 1951. It has 8 seats. It is registered to Duckbutt LLC, an LLC in Castle Rock, Colorado. The registration is valid: it was issued on April 18, 2024 and expires on April 30, 2031. It holds an experimental airworthiness certificate for exhibition, dated February 4, 2023.
Aircraft
- Maker
- Grumman
- Model
- HU-16B
- Serial number
- 51-5303
- Type
- Fixed-wing, multi-engine
- Power
- Piston (reciprocating), 2 motors · Wright R-1820 SER · 1475 hp
- Seats
- 8
- Year built
- 1951
- Cruising speed
- 168 mph
- Transponder code
- ABB4F1 (octal 52732361)
Registration
- Status
- Valid registration
- Certificate issued
- April 18, 2024
- Expires
- April 30, 2031
- Last FAA action
- April 18, 2024
- Airworthiness
- Experimental · Exhibition · February 4, 2023
- FAA region
- Northwest Mountain
- FAA record id
- 00545042
Owner as the FAA publishes it
- Name
- Duckbutt LLC
- Type
- LLC
- Address
- 3855 Ambrosia St Ste 304
Castle Rock, CO 80109-3959
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data