OBS_VALUE: <ul><li><a href=https://www.mevzuat.gov.tr/mevzuat?MevzuatNo=2920&MevzuatTur=1&MevzuatTertip=5 target=_blank>Turkish Civil Aviation Law(TÜRK SİVİL HAVACILIK KANUNU, Law nr.2920, adopted 1980, with latest modifications of 21/2/2019, Article 25)</a></li></ul>