Lighting fittings for civil land aerodromes - Specification for obstacle lighting unitsWhat is BS 3224 6 Specification for obstacle lighting units about? BS 3224 is a British Standard that discusses lighting fittings for civil land aerodromes. BS 3224 6 is the sixth part of the series that specifies the essential mechanical and electrical features, excluding lamps, and describes photometric tests for obstacle lighting units that are either elevated or surface mounted. The main objective of BS 3224 6 is to ensure that obstacle lighting

other supplies

Dip and electrophoretic coating machinery with tank volume less than 1 m3

as provided in Annex D

for a maximum user mass as specified by the manufacturer

rounding of numbers

2 Types of lines

Another system for the designation of imperfections is possible

PD 6484:1974 (1990)

so buy your copy of the standard now

063 mm test sieve found on analysis

BS EN 71-11 is intended to be used in conjunction with BS EN 71-9

Apart from reduced risk of derailment