Global Vectra Helicorp Limited is India's largest private helicopter company. It has a fleet of 29 aircraft ranging from small light helicopters to medium-sized twin engined helicopters seating 4 to 15 passengers. The company is promoted by Non-resident Indian businessman Ravi Rishi. The company's operational headquarters are in Mumbai at the Juhu Aerodrome where it services the oil and gas industry with forward bases at Visakhapatnam and Rajahmundry. The onshore operations, cover the entire Indian subcontinent, and is based in New Delhi and Bangalore. GVHL is listed on the National Stock Exchange and the Bombay Stock Exchange having ISO 9001-2015, 14001–2015, and OHSAS 18001-2007 certifications covering flight operations, engineering, safety, quality control, and commercial systems. Wikipedia