Bhasin was accorded Directorate General of Civil Aviation (DGCA) approval as check-pilot on successful completion of stipulated tests and requisite training which involved classroom and ground training for operational knowledge, simulator training for flying proficiency, aircraft training for landing/take off, line flying.

According to a press release issued by the Indian Airlines here, a minimum of 500 hours' command experience on the given type of aircraft, command experience of 1,000 hours and flying experience of 3,000 hours is required to become a check-pilot. After proficiency tests and approval by the DGCA, the pilot is declared a check-pilot to carry out route checks for licence renewal, pilot-in-command and performance monitoring of other pilots, besides carrying out line-oriented flying training flightsfor co-pilots.Capt Bhasin, who joined IA in 1984, has many a first to her credit. She was the co-pilot on the first all-women crew flight on the Fokker Friendship F-27 with Captain Saudamini Deshmukh in command in November 1985 on the Calcutta-Silchar route. The duo also made the first Boeing all-women crew trip in September 1989 on the Mumbai-Goa sector.

In December 1989, at the age of 26, Capt Bhasin became the world's youngest commander on the Boeing aircraft. Later, she led the Boeing flight's all-women crew as commander on Hyderabad-Visakhapatnam route. She became a commander on the Airbus A 300, with over 8,100 hours of flying experience and has now achieved another landmark.