TY - BOOK ED - United States. TI - Instrument landing system installation drawings PY - 1972///] CY - [Washington, D.C. KW - Instrument landing systems N1 - Order; [Apr. 7, 1972]; Cover title; Oblong large 8vo; [One illustration is colored. Issued in looseleaf form. Cancels Handbook IMP 6750.1, Feb. 18,1963]; Distribution made by issuing office; CRDP Program Historic Shelflist record ER -