Registry / N-number

N5548A

1959 GRUMMAN G-21A · Valid

Aircraft

Make: GRUMMAN
Model: G-21A
Year manufactured: 1959
Serial number: 75-7661
Type: Fixed wing multi engine · 8 seats · 2 engines
Weight class: Up to 12,499 lbs
Cruise speed: 150 kt

Engine

Manufacturer: P&W
Model: R-985 SERIES
Type: Reciprocating
Horsepower: 450

Registration

Registrant

Name: Stage One Associates Llc
Type: LLC
Location: OXFORD, CT
See other aircraft in Connecticut

Certificate

Status: Valid
Issued: 2026-04-01
Airworthiness: 1960-03-25
Expires: 2033-04-30
Last action: 2026-04-01
Fractional ownership: No

ADS-B / Mode S

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

Every transponder-equipped aircraft broadcasts its Mode S hex code on 1090 MHz. ADS-B receivers like FlightAware and FlightRadar24 use this ICAO code to identify the aircraft.

Source: FAA Releasable Aircraft Database (public domain). Last action on this record: 2026-04-01.