Annual Inspection Cockpit Transponder 
Vintage Aviation News
MARCH 31, 2025
Transponders, ADS-B, radios, ELTs, all of these items are necessary to ensure pilot safety. The cockpit of the PT-17 is more streamlined, has a better layout, and is overall more comfortable than earlier biplane aircraft. This cockpit familiarity proved to be vital once the Stearman began being used as a Primary Trainer in WWII.
Flying Magazine
JULY 17, 2025
The aircraft sports a King CDI with glideslope receiver as well as a King KT-76A transponder and uAvionix tail beacon ADS-B transmitter. Rosen sun visors improve cockpit comfort and safety. An annual inspection is underway and pitot-static and transponder inspections are current.
Pilot Institute
JULY 9, 2025
So together, let’s dig deeper into what “airworthy” really means, who’s responsible for keeping an aircraft that way, and how those requirements shape our decisions in the cockpit. Your aircraft’s current airworthiness certificate must be on board and displayed at the cabin or cockpit entrance. Who should do this inspection?
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