Air navigation chart V30 (series). 58. Lat 15* S-1° N. long. 180° E-155° W. Scale 1 in.=30 naut. m. (1:2,188,800) at lat 7°30', contour interval 1,000, 2,000, 3,000 5,000, 7,000 and 9,000 ft.