====== P-717: AN/ARC-21 ======
**AN/ARC-21-A**; manufactured by different U.S. manufacturers.

{{:images:p-717-an-arc-21-bw.jpg?direct&400|P-717: AN/ARC-21}}
===== Technical data =====
  * [[Principle]]: 
  * [[Operation modes]]: 
  * [[Frequency range]]: 
  * [[Sensitivity]]: 

==== Power supply ====
  * [[batteries|Rechargeable acumulator / battery operation]]: Aircraft - on-board power supply with dynamotor

==== Dimensions ====

==== Accessories ====


===== Operation =====
{{:images:p-717-an-arc-21-control.jpg?direct&400|P-717: AN/ARC-21}}

===== Technical principle =====

==== Tube assembly ====

==== Development ====
The AN/ARC-21 aeronautical radio was developed in the USA at the end of the Second World War and was not introduced until 1952.

==== Use ====

{{gallery>:images?p-717*.jpg&0&80x80&lightbox&showtitle&titlesort}}

===== Technical documentation =====

==== Further information ====