File of programs by M. Woodger for Aircraft Normal Mode calculations 1953-55, and other programs from 1951. Includes letter H. Hitch (Vickers-Armstrongs) to Goodwin, 4.2.53, with initial problem. Also preprint of paper to Royal Aeronautical Society by D. Williams, Feb. 1954, quoting performance of ACE 1951- 1955. Paper: Recent developments in the structural approach to aeroelastic problems by D. Williams. Paper: Comp. 34, Calculation of latent roots of matrices by J.H. Wilkinson. Paper: Comp. 35, An example of a complete flutter calculation on ACE by M. Woodger and G.G. Alway.