Registry / Grumman / G-21A / N5548A

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N5548A V

Grumman G-21A · 1959 · Oxford, CT

This aircraft — FAA registration facts

N5548A is a 1959 Grumman G-21A (serial 75-7661), registered to Stage One Associates LLC (LLC) in Oxford, CT. Its FAA registration is recorded as v and expires April 2033; the airworthiness certificate dates from March 1960 (66 years ago). It carries 2 P&W R-985 SERIES engines rated at 450 hp each (900 hp total), the engine on 90% of registered Grumman G-21As. Its Mode-S transponder broadcasts the ICAO 24-bit address A711B8. It is one of 34 Grumman G-21A aircraft on the FAA registry. Stage One Associates LLC holds 7 aircraft on the registry.

Registered owner
Stage One Associates LLC
Owner type
LLC
Based in
Oxford, CT
Serial number
75-7661
Year built
1959 · 67 yrs old
Airworthiness class
1
FAA status
V
Mode-S / ICAO24
A711B8 · 51610670 octal
Certificate issued
Apr 1, 2026
Airworthiness date
Mar 25, 1960
Last FAA activity
Apr 1, 2026
Registration expires
Apr 30, 2033
FAA region
Western

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine
P&W R-985 SERIES
Engine type
Reciprocating (Piston)
Rated power
450 hp × 2 (900 hp total)
Power per seat
113 hp
FAA engine code
52008

28 of the 31 registered Grumman G-21A carry this engine (90%), across 4 engine variants on the type.

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Community facts about N5548A

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Flight history & live tracking

ICAO24: a711b8
No flight data on file yet for N5548A.
Queries adsb.lol — works only if N5548A is broadcasting ADS-B right now. Daily sweep at 04:43 MST · external trackers above for guaranteed live data.
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Aircraft Type — ACFTREF 3951204

Grumman G-21A
Engines: 2
Type: piston
Seats: 8
Cruise: 130 KTAS
Category: Experimental

Engine — CODE 52008

Manufacturer: P&W
Model: R-985 SERIES
Type: Reciprocating (Piston)
Horsepower: 450 HP

FAA Registration Record

N-Number: N5548A
Serial Number: 75-7661
Year Manufactured: 1959
ACFTREF Code: 3951204
Engine Code: 52008
Status: V (V)
Certification: 1
Type Aircraft: Fixed Wing Multi Engine (5)
Type Engine: Reciprocating (Piston) (1)
Source: master

Documents & resources

Commonly available reference sources for the Grumman G-21A. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.

View the Grumman G-21A model overview, reviews & photos →

These are commonly available reference sources. FerryFlight Hub does not provide sample or generated documents on this page.

FerryFlight Hub is independent and not affiliated with, endorsed by, or sponsored by any aircraft manufacturer, the FAA, or any document publisher. References are NOT for operational, navigational, or flight-planning use — always rely on the current, FAA-approved documentation for the specific aircraft. We link to official or publicly available sources and do not host or redistribute copyrighted material. Provided "as is," without warranty of any kind as to accuracy, completeness, or currency.

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Transponder / ADS-B

Mode S (octal): 51610670
ICAO 24-bit (hex): A711B8

Registrant

Stage One Associates LLC
LLC
View all 7 aircraft registered to this owner →
C/O Tradewind Aviation
3 Juliano Dr
Oxford, CT, 06478
FAA Region: Western

Key Dates

Certificate Issued Apr 1, 2026
Airworthiness Mar 25, 1960
Expiration Apr 30, 2033
Last Activity Apr 1, 2026
Data as of Sep 7, 2026

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