BL

Regulations on non-approved helicopter landing areas

01-09-1987

BL 3-31, 1 edition of 1 July 1987, including BL 3-31, 1 edition of 19 October 1987

Regulations on non-approved helicopter landing areas as amended by BL 3-31 A of 19 October 1987

Senest opdateret 10-11-2023