What is the difference between a transponder A and C?
What is the difference between a transponder A and C? Civil aircraft may be equipped with transponders capable of operating in different modes: Mode A equipment transmits an identifying code only. Mode C equipment enables the ATCO to see the aircraft altitude or flight level automatically.
Which transponder code to avoid?
Code 0000 should never be assigned or used. However, NASA recommends that crews set 0000 after landing to help detect when a clearance has not been received. Resetting the transponder to 0000 (four zeros) after landing can help you, or the next crew, detect lack of a PDC.
Can you fly over Class C airspace without a transponder?
Two-way radio communications and operational transponder are normally required for operations within Class C airspace, but operations without radio communications or transponder can be conducted by LOA, facility directive, or special arrangement with Class C airspace controlling facility.
How far out does Class C airspace go?
Although the configuration of each Class C airspace area is individually tailored, the airspace usually consists of a 5 NM radius core surface area that extends from the surface up to 4,000 feet above the airport elevation, and a 10 NM radius shelf area that extends no lower than 1,200 feet up to 4,000 feet above the ...
Does ADS-B replace mode c transponder?
ADS-B, typically, does not outright replace your Mode C transponder but is an addition to it.