consist mainly of official travel, whilst traffic to Hong Kong would be mainly commercial, with good prospects for tourism development. On 21 April 2010, an ATR 42 turboprop regional aircraft was delivered to Paro under a nine-month lease. The aircraft was used on flights from Paro to Kolkata and Kathmandu, and was on standby during the South Asian Association for Regional Cooperation summit in Thimphu at the end of April. Drukair announced its intention to join the International Air Transport Association in 2009. During February 2018, Druk air performed a few charter flights to Hong Kong and additional charter flights were on slate during the following months. The airline had received request for charter flights to other destinations in Asia . It was also reported that Druk air would be adding an Airbus A320neo aircraft as well as purchasing a new ATR-42-600 aircraft. Drukair took delivery of its new ATR 42-600 on 22 October 2019. This was followed by the delivery of the Airbus A320neo in April 2020. Destinations Drukair operates scheduled flights to the following destinations: Fleet As of May 2022, the Drukair fleet consists of the following aircraft: An ATR 42-500 first operated on a nine-month lease from April 2010 was evaluated by the airline with the possibility of a future purchase. On 4 June 2011, a purchased ATR 42-500 arrived in Paro. Drukair had bought the 48-seater with the view of using it to service the domestic routes to Bumthang and Yonphula in late 2011. On 22 October 2019, Drukair received a new ATR 42-600 following which it sold its ATR 42-500 to ATR. On 12 October 2021, Drukair inaugurated her new Airbus A320neo. The aircraft was ordered in 2018 and received in April 2020. Retired fleet Services Frequent flyer program "My Happiness Reward" was launched by Drukair on 10 November 2014, in commemorating the birth anniversary of His Majesty the Fourth Druk Gyalpo Jigme Singye Wangchuck and in celebrating his enlightened and visionary philosophy of Gross National Happiness. The members of the program can accumulate miles corresponding to the distance flown on Drukair and the class of service availed. Accrued miles may then be redeemed for free air tickets (Happiness Reward Ticket), upgrades at airports (Happiness Class Upgrade) and other benefits. Drukair currently offers 3 tiers of membership: Silver (Basic tier), Gold and Platinum (the elite tier). Accidents and incidents On 16 April 2016, Druk Air