Flight plans for the first two manned Skylab missions: staple-bound manual entitled "SL-1/SL-2, Final Skylab Flight Plan," 8 x 10.5, April 11, 1973; and a staple-bound entitled "Sl-3, Second Skylab Mission, Final Skylab Flight Plan," 8 x 10.5, July 14, 1973. Includes an additional manual for the second Skylab mission, entitled: "Operations Appendix, Limited Distribution." Both are housed in modern three-ring binders. In overall very good to fine condition, with creases to the front cover of the second flight plan.
