was halted after 13 aircraft were delivered due to cost. In 2017, it was announced that the targeting systems of the 13 aircraft would be upgraded. One was destroyed in a crash in February 2018 with the deaths of both crew. In June 2011, Taiwan (Republic of China) agreed the purchase of 30 AH-64Es with weapons and associated equipment. On 5 November 2013, Taiwan received the first six AH-64s. On 25 April 2014, a Taiwanese AH-64E crashed into a three-story building during a training flight in bad weather conditions, the first AH-64E airframe loss. An investigation ruled out mechanical failure and concluded that the pilots had rapidly descended through clouds at low altitude without checking flight instruments to maintain adequate height; the Army expanded simulator training in response. In October 2014, Taiwan's fifth and final batch of AH-64Es was delivered. In 2009, South Korea showed interest in the Apache, potentially related to plans to withdraw many U.S. Apaches from the country. On 21 September 2012, the U.S. Congress was notified of the possible purchase of 36 AH-64E, along with associated equipment and armament. It competed against the Bell AH-1Z Viper and the TAI/AgustaWestland T-129; in April 2013, South Korea announced plans to buy 36 AH-64Es. The first four AH-64Es were delivered in May 2016, and all 36 were deployed by January 2017. Future and possible users Iraq requested the sale of 24 AH-64s in April 2013; In January 2014, a sale, including the helicopters, associated parts, maintenance, and training, was cleared by the U.S. Congress. However, the proposal was not accepted by the Iraqi government and expired in August 2014. In July 2012, Qatar requested the sale of 24 AH-64Es with associated equipment and support. The sale was approved on 27 March 2014. In March 2019, Qatar received the first of 24 AH-64Es ordered. In July 2016, the UK placed an order for 50 AH-64Es through the U.S. FMS program instead of upgrading their Westland-built WAH-64s. In July 2019, Australia issued a request for information for Project Land 4503 to replace the Army's Eurocopter Tiger ARH helicopters. On 15 January 2021, the Australian Minister for Defence Linda Reynolds announced that the AH-64E had been selected to replace the Tiger ARH. A fleet of 29 AH-64Es will be acquired with a planned initial operational capability of 12 helicopters in 2026 and full operational capability in 2028. In October 2019, the Bangladesh