# N85303 — GRUMMAN HU-16B
> **1951** Fixed Wing Multi-Engine · Reciprocating · Owner: DUCKBUTT LLC · CASTLE ROCK, CO
## Aircraft
- **N-Number:** N85303
- **Serial Number:** 51-5303
- **Manufacturer:** GRUMMAN
- **Model:** HU-16B
- **Year manufactured:** 1951
- **Type:** Fixed Wing Multi-Engine
- **Engine type:** Reciprocating (02 engines)
- **Seats:** 008
- **Weight class:** CLASS 3
- **Mode S code (hex):** `ABB4F1`
## Owner
- **Name:** DUCKBUTT LLC
- **Type of registrant:** LLC
- **Location:** CASTLE ROCK, CO 801093959, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2024-04-18
- **Last action:** 2024-04-18
- **Expiration:** 2031-04-30
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=85303)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=abb4f1)
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