Aircraft Navigation (Obstruction Aids)

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Aircraft Navigation (Obstruction Aids)


Types and Uses
The type and arrangement of all aircraft navigation (obstruction aids) i.e. aircraft warning lights (solar or LV powered), solar arrays, batteries and aircraft warning spheres shall be approved by the 
Employer.
Reference is made to Annex 15-1 for the detailed specific requirements.

Design
All aircraft navigation (obstruction aids) shall be so designed as to:
(a) Withstand the mechanical loads relevant to the installation-service-maintenance conditions and 
environmental effects;
(b) Minimize the number of parts and the possibility of incorrect assembly and installation;
(c) Ensure that individual components are secured against becoming loose in service; all threaded 
fasteners shall be locked;
(d) Utilize materials which have sufficient strength, ductility and environmental resistance to 
withstand the static dynamic loading;
(e) Avoid damaging the earthwire under all service conditions;
(f) Comply with the requirements of ICAO Aerodromes Annex 14 Volume 1 Aerodrome Design and 
Operation and Aerodrome Design Manual Part 4 unless stated to the contrary

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