Downloaded from https://www.everyspec.com MIL-STD-1808C w/CHANGE 1 SYSTEM SUB-SYSTEM TITLE DEFINITION 13 TIME LIMITS, INSPECTIONS, AND MAINTENANCE CHECKS The subsystem information covering time limits for inspections and maintenance checks (both scheduled and unscheduled). This system is used for reference only. (See equipment -6 manual and work cards for actual inspections and time limits.) 00 GENERAL 10 TIME LIMITS The system information covering time limits for inspection, maintenance, and overhaul of the aircraft, systems and units, and life of parts. For engines, this includes flight cycle lives of major rotating components and other items designated critical.
20 SCHEDULED INSPECTIONS AND MAINTENANCE CHECKS The system information covering maintenance checks and inspections of the aircraft, systems, and units dictated by the time limits in -10, above. This section lists in detail the items required and cross references the detailed maintenance practices. Includes preflight, basic postflight, hourly postflight, periodic, phased, etc., inspections. 30 AND 40 ADDITIONAL INSPECTIONS AND CHECKS (AS REQUIRED) Assigned by the manufacturer when the -20 breakout is insufficient to cover all of the maintenance checks dictated by -10, above.
50 UNSCHEDULED MAINTENANCE INSPECTIONS AND CHECKS The system maintenance checks and inspections on the aircraft, systems, and units dictated by special or unusual conditions; not related to the time limits specified in -10 above. Includes inspections and checks for hard landing, over weight landing, bird strike, turbulent air, lightning strike, slush ingestion, radioactive contamination, maintenance checks prior to engine out ferry, etc. 60 ACCEPTANCE AND FUNCTIONAL CHECK FLIGHT The system information covering in-flight functional checks necessary to fulfill inspection requirements to prove the safety/airworthiness of all components and systems following maintenance activities.
Includes only that information that adds to or enhances the information contained in the flight manual. 15