A list of aircraft operators that have that have suffered an accident, serious incident or hijacking. The list may also contain defunct airlines or airlines that in the meantime have changed their name or have merged.

Airlines:
748 Air Services
Aerolift Co. Ltd.
Afrik Air Links
Air Leone
Air Rum
Air Salone
Air Sultan
Air Universal
Bellview Airlines (S/L) Ltd
Central Airways Ltd
Destiny Air Services
First Line Air
Heavylift Cargo (Sierra Leone)
Inter Tropic Airlines (S/L) Ltd
Mountain Air Company
Orange Air Services Ltd
Orange Air Sierra Leone
Pan African Air Services Ltd
Paramount Airlines Ltd
Sierra Leone Airways
Sierra National Airlines
Sky Aviation Ltd
Star Air Ltd.
Teebah Airlines (erroneously named "TEEBAH AIRWAYS" on E.U. blacklist)
Trans Atlantic Airlines Ltd
Transport Africa Ltd
West Coast Airways