Taiwan's Green Tree Aviation Technology Co. Ltd. has acquired a Gulfstream G650ER. ch-aviation research indicates that the company entered the aircraft into the Taiwanese register as T7-88999 (msn 6565) on or around May 31, 2024. Green Tree appears to be the first owner of the 1.4-year-old jet.

ADS-B flight tracking data shows T7-88999 ferried to Taipei Sung Shan from Appleton Outgamie County Regional via Vancouver International and Nagoya Chubu in early June. It has since operated roundtrips between Taiwan and Tokyo Haneda and Taiwan and Siem Reap.

Taiwanese company information suggests Green Tree is also known as Feitianshu Aviation Technology Co., Ltd and appears to be involved in the aircraft parts, management, and consultancy sectors. It has also invested in some non-aviation-related sectors. According to ch-aviation fleets data, T7-88999 is Green Tree's only known business jet.