TY - MAP ED - International Civil Aviation Organization. TI - World aeronautical chart. 2681, Chennai: : I.C.A.O. 1:1,000,000 / U1 - CM0395 23 PY - 1993/// CY - Dehradun: PB - Surveyor General of India KW - World maps KW - Aeronautical charts N1 - Coordinated world-wide series of aeronautical charts with a topographic base; Relief shown by contours, hypsometric tints and spot heights; Produced by various government publishers to International Civil Aviation Organization specifications; This chart is covered by the flight information region Madras; Reg. No. 1135-NPGD'90-503'95' Reprint 506'09; Runway lengths in hundreds of metres; All elevations on this chart refer to ground level. In wooded areas elevations should be used with caution. add 30 meters for safety ER -