Aircraft Description
N5548A is a 1959 Grumman G-21A, a twin-engine reciprocating (piston) aircraft registered to Chambers Christopher J in Margate, FL. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on March 25, 1960. The registration certificate was issued on August 22, 2017. The registration is set to expire on August 31, 2027. Powered by a P&w R-985 SERIES engine producing 450 horsepower, N5548A is. The aircraft's Mode S transponder code is A711B8 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N5548A was last updated on March 10, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
Grumman Aircraft (later Northrop Grumman) was a major American aircraft manufacturer known for naval fighters in World War II and the Apollo Lunar Module. In general aviation, the Grumman American AA-5 and Tiger series remain popular sport aircraft. AviatorDB tracks 473 Grumman aircraft currently registered in the FAA database, including the G-21A model.
AviatorDB has found no NTSB accident or incident reports involving N5548A. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.
Registered Owner
Powerplant & Avionics
NTSB Accident History (1)
| Date | NTSB # | Damage | Highest Injury | Probable Cause |
|---|---|---|---|---|
| Mar 25, 1999 | MIA99FA114 | Destroyed | Fatal | The pilots failure to correctly identify an in-flight emergency (fluctuating manifold pressure and rpm due to a disconnected spark plug lead / unscrewed ignition lead shroud) and failure to complete the engine shutdown procedure once it was initiated (propeller not feathered). This resulted in a forced landing and subsequent in-flight collision with a tree, dirt bank and canal. Contributing to the accident was the FAA inspectors improper supervision of the pilot, and the improper supervision of the inspector by her supervisor, in his failure to follow written procedures / directives in assigning a non-current inspector to conduct a competency flight. |
Additional Details
Data Source
Data provided by the US Federal Aviation Administration. View on FAA.gov
Last updated: 2026-05-01 01:32:20 UTC