The AN/APR-39A(v)4 radar warning system uses the CP-1597B processor, NSN 5985-01-445-6940, as its primary component.
Heads up! That processor is being replaced with a new CP-1597C processor, NSN 5841-01-543-6979.
Until last year, only a limited number of aviation units were allowed to use the new processor. Now all aviation units are authorized CP-1597C processors for the UH-60A/L, CH-47D/F, AH-64D/F, and H-60M.
If you have any CP-1597B processors on order, they’ll be cancelled. So put in your order for the CP-1597C processor now.
The CP-1597C has the same form, fit and function as the old processor, but uses only three circuit cards versus the seven used by the old processor. That reduced size and weight allows for future growth.
CP-1597C replaces old processor
If you still have CP-1597B processors, turn them in now.
Ship CP-1597B processor to DLA
Ship the processors to:
DLA Distribution Tobyhanna
Spec Handling Facility
Squire & 2d Street
Building 2 Bay 6
Tobyhanna, PA 18466-5059
Special Handling Facility Phone: (570) 615-7354
Questions? Contact MaryAnne Champlin at (443) 861-2881 or email: