Section 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F1 Repealed Annotations Textual amendments F1 Ss. 11–19, 21 repealed by Civil Aviation Act 1982 (c. 16, SIF 9), s. 109, Sch. 16 ← Section 20 Section 21 Section 22, 23 →