2016 - Sight Reduction Tables for Air Navigation Pub No 249 Vol 1 Eopch 2020 (Paperback) ISBN-13: 9780979904592 ISBN-10: 0979904595 ? 2009 - Sight Reduction Tables for Air Navigation Vol 3 [pub 249] (Paperback) ISBN-13: 9780970801029 ISBN-10: 0970801025 ? |