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Accession Number:
ADA399963
Title:
Use of Critical Chain Scheduling to Increase Aircraft Availability
Descriptive Note:
Master's thesis
Corporate Author:
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT
Report Date:
2002-03-01
Pagination or Media Count:
122.0
Abstract:
United States Air Force Special Operations Command AFSOC has a minimal number of aircraft at its disposal. As a result, the aircraft are considered high demand, low-density small number in Air Force inventory weapon systems. Any chance to increase aircraft availability would greatly enhance the capability of AFSOC. Isochronal maintenance ISO conducted once every 365 days per AFI for C-130 aircraft provides the best opportunity to increase aircraft availability by improving the scheduling of tasks and accurately estimating the inspection duration. Scheduled maintenance portrays the characteristics of projects, therefore, this theses proposed that Critical Chain CC scheduling, a project management technique, could provide an improved ISO schedule reducing aircraft downtime. The ISO inspection process was modeled three ways 1 existing process, 2 task constraints removed, and 3 task and resource constraints removed. 100 simulated aircraft inspections took place in each model. The simulated duration times were compared to estimates provided by the use of Critical Path and Critical Chain scheduling techniques. Critical Chain scheduling techniques did not directly increase aircraft availability. However, Critical Chain scheduling did identify the potential for increasing aircraft availability by removing policy and scheduling constraints.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE
