The P-3 Orion remains the USA’s main maritime patrol aircraft, and is also finding use in overland surveillance roles despite the fleet’s age. Earlier DID articles have noted the extra effort required to preserve the USA’s P-3C Orion maritime surveillance & patrol aircraft, along with radar and weapons upgrades to improve the fleet. Lockheed has even opened a new production line, to deal with planes whose wings that are so aged and worn that they need a full replacement.
The SMIP (Sustainment, Modification, and Installation Program) is intensive depot-level inspection and repair process that includes P-3 airframe and component inspection, identification of problems, and corrective maintenance. The idea is to ensure safe and reliable P-3 use, while trying to get more hours out of each airframe in order to sustain dwindling global fleets. More intensive “MIP” efforts may be launched once inspection results become clear, such as the USA’s P-3 recovery plan and full “ASLEP” re-winging efforts underway in Norway and Canada.