BS 3G 100-2.3.11:1973(1999) Specification for General requirements for equipment for use in aircraft — Part 2 : All equipment — Section 3 : Environmental conditions — Subsection 3.11 : Water - proofness
1973BS 3G 100-2.3.11:1973 Specification for general requirements for equipment for use in aircraft - All equipment - Environmental conditions - Water-proofness
1972BS 3G 100-2.2:1972 Specification for general requirements for equipment for use in aircraft - All equipment - Magnetic influence
1962BS 2G 100-2:1962 Specification for general requirements for electrical equipment and indicating instruments for aircraft. Environmental and operating conditions