Hi Jacek,
The question might be will switching to an all-Hornet airwing actually
result in a lower MMH/FH number for the involed squadrons? Bean
counters and analysts would probably agree that benefits of scale, less
duplicity, and better support concentration should result in a lower
MMH/FH. I doubt it. On the other hand, having four or five squadrons
with the same airplane might very well net you better availability just
from the improved competitive environment. Guys would try harder to be
number one in all quantifiable aspects of their efforts. There would
be a distinct tendenency for your supply system to anticipate lower
inventory need and give you fewer high failure parts per embarked
airplane. Reshuffling a carrier's supply inventory takes a major
effort so it would be unlikely all the non-Hornet parts would be off
loaded. Carriers spare parts lockers are space limited. Most often
the most used parts are in short supply with the least called for being
the majority. No matter how you provision expected MTBF's will not
equal actual usage. Peter principle. The longer your AOCP times
become, the lower your availability and higher the MMH/FH. Long AOCP
times result in squadron ratholing and resulting lower supply parts
availabilty. Any guy who would be smart enough to solve this should be
transferred to working on world peace.