Flying over Mumbai harbour in the morning with IN483 bringing up the rear. The antenna fit differs between the two Chetaks, which are different in color as well. These Chetaks are from INAS 321 "Angels" based at INS Shikra. Formed in 1969, the Angels have saved many lives, living up to their motto "We Dare, You Survive". Designated a Fleet Support Squadron, its Chetaks are detached for SAR and liaison duties to ships and stations as required.