Thibbotumunuwe, ISB Influences of safety performance indicators (SPI) to aviation safety management (SMS) in helicopter operations of Sri Lanka air force - Ratmalana KDU 2022 - x,89 p. Col.ill KDU Subjects--Topical Terms: ThesisSafety management systemSafety performance indicatorsSafety policy objectivesSafety risk managementSafety assuranceSafety promotionSafety standardsSafety cultureSLAF