What information does a transponder provide?

A transponder is an avionic system located on board the aircraft that provides information about the aircraft identification and barometric altitude to the ATC system on the ground and to TCAS on other aircraft.

What is a transponder test set?

Description. The T-47NC and T-47NH Multifunction Ramp Test Set is a battery powered portable unit used to test the operation of Transponders and Interrogators including: Mode S Transponders, TCAS Interrogators, and TACAN/DME equipment that are installed in aircraft and other vehicles.

How often must a transponder be tested?

every 24 calendar months
Transponders (FAR 91.413): The transponder must be inspected every 24 calendar months. FAR 43 Appendix F, ATC Transponder Tests and Inspections, lists the items that must be checked. To use a transponder, it must be inspected every 24 calendar months.

What is the purpose of a transponder?

A transponder is a wireless communications, monitoring, or control device that picks up and automatically responds to an incoming signal. The term is a contraction of the words transmitter and responder. Transponders can be either passive or active.

What are the transponder requirements?

Required to be used when: At or above 10,000′ MSL over the 48 contiguous states or the District of Columbia, excluding that airspace below 2,500′ AGL; Within 30 miles of a Class B airspace primary airport, below 10,000′ MSL.

Who can do transponder inspection?

Transponders are required to be inspected by an FAA Certified Repair Station every 24 calendar months according to FAR 91.413 in accordance with FAR 43 Appendix F.

Does a transponder require calibration?

If a transponder is not calibrated, then the altimeter will not be able to determine either set or repeatable measurements, therefore making it hard for pilots to detect issues with air pressure intake. Again, this could result in hazardous risks and could be easily avoid if transponder calibration is performed.

Who can perform transponder inspection?

FAA Certified Repair Station
Transponders are required to be inspected by an FAA Certified Repair Station every 24 calendar months according to FAR 91.413 in accordance with FAR 43 Appendix F.

What is the range of a transponder?

Transponder codes are four digit numbers with the digits limited to the range0-7. For you computer geeks, it’s a 12-bit number expressed in octal notation…

How many types of transponders are there?

Basically, there are two types of transponders. Those are Bent pipe transponders and Regenerative transponders.