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Can you get flight following without a transponder?
Sure, flight following service without a transponder is possible, if ATC has good primary radar. But good primary radar is most often found where transponders are required, the core airports in Class B or Class C airspace. ARSRs used by ARTCCs that have primary radar generally don’t show primary targets very well.
Is a transponder required in Class D airspace?
Pilots operating in Class D airspace are bound by the following restrictions: No Mode-C transponder required. If approved, pilot will need to remain clear of clouds and maintain a minimum of 1 statute mile of visibility. Speed limited to 250 knots when flying below 10,000 feet MSL.
Can you fly over Class B airspace without a transponder?
It also includes Class E airspace over the Gulf of Mexico, at and above 3,000 feet msl, within 12 nautical miles of the U.S. coast—where transponders are not required. Pilots can fly unequipped under Class B and C airspace shelves as long as they remain outside of any Mode C veil.
Why do transponders only go to 7?
Transponders back then (and still today) have the option of numbers 0-7. That’s because each number can be represented by only three bits, or three 1s or 0s.
Where is a Mode C transponder required?
Mode C Transponder Requirements: Outside any Class B or Class C airspace area; and. Below the altitude of the ceiling of a Class B or Class C airspace area designated for an airport, or 10,000 feet MSL, whichever is lower.
When do you not need a transponder in the US?
In the US if you are flying in Class G airspace or Class E below 10,000 feet you are not required to have a transponder. In this case you would tell ATC that you do not have a transponder but if that were the case I would doubt the controller would want to do flight following as they won’t have your altitude information.
What do I need on my initial call to ATC?
In the enroute portion, a check-in with altitude is all that’s needed, super simple. When I am on the radios, all I want on the initial call is the call sign, approximate location, altitude, and, if calling on 122.1, which VOR you’re listening over.
How does a transponder work on an airplane?
Normally, this wouldn’t be a problem, since the aircraft is carrying a transponder that continually broadcasts positional and movement data (so-called “secondary” radar returns), not just to ATC, but also to other nearby aircraft ( so that they can avoid running into it ).
What to do if your plane has no transponder?
If that is the case you will have to pre-coordinate with ATC and the control towers of the departure and arrival airport to let them know you have no transponder or radio. The tower can use light gun signals to let you know you have clearance to land.