Table 1: Days to maintenance for five initial condition test cases.

Case

AM1

AM2

AM3

A

{A01,…,A28}

B

{A01,…, A14}

{A15,…, A28}

C

{A01,…, A09}

{A10,…, A18}

{A19,…, A28}

D

{A01,…, A14}

{A15,…, A28}

E

{A01,…, A28}

AMD: The set of aircraft tail numbers that must get maintenance within D days, e.g., aircraft in set AM3 must be maintained within 3 days, i.e., on days 1, 2, or 3.