tylko "trojka" gdyz nie jestem specjalista w tej dziedzinie

http://www.stsaviationgroup.com/EngineeringSolutions.aspx

w guglu pojawia sie jednak o wiele czesciej na odwrot: "hangar and line service"
http://www.google.co.nz/search?hl=en&rlz=1C1CHME_enNZ370&q=a...

Describe the three levels of aviation maintenance:


a. Organizational
Maintenance which is performed by an operating unit on a day-by-day basis in support of its own operations. The O-level mission is to maintain assigned aircraft and aeronautical equipment in a full mission capable status while continually improving the local maintenance process. Some O-level functions include servicing, inspections, handling, on-equipment corrective and preventive maintenance, record keeping, reports preparation, etc.

b. Intermediate

Maintenance which is the responsibility of, and performed by, designated maintenance activities in support of using organizations. Their mission is to enhance and sustain the combat readiness and mission capability of supported activities by providing quality and timely material support at most approximate location with the lowest practical resource expenditure. I-level maintenance consists of on and off equipment material support.

c. Depot

Maintenance performed at naval aviation industrial establishments to ensure continued flying integrity of airframes and flight systems during subsequent operational service periods or Special Depot Level Maintenance (SDLM) inductions. They preform what is commonly referred to as "overhaul" maintenance. They also perform maintenance on material requiring major overhaul, rebuilding of parts, assemblies, subassemblies, and end items. They provide rework and repair of engines, components, weight and balance, etc


http://motomom.tripod.com/115NAMPC