Aircraft Lighting Systems Group 5 Alex Simpson Mark

Overview Exterior Lighting n Interior Lighting n Emergency Lighting n

Exterior Lighting n n Specifically regulated by FAR Requires several systems for transport category

Exterior Lighting Anti-collision lights Position lights C-130 from www. af. mil Landing lights

Landing Lights n n n Light for night landing On wing leading edge or

Position Lights n n n Also called Navigation lights Red on left wingtip Green

Anti-Collision Lights n n n Red or white flashing 40 -100 cycles per min

Other exterior lights n n Cargo loading lights Wing icing detection lights (required) n

Interior Lighting n Cockpit lighting n n Instrument lighting Cabin lighting

Cockpit Lighting n Instrument lighting n n n Must illuminate each essential instrument and

Cockpit Lighting n n n Interior lights to allow crew to perform other functions

Cabin Lights n n n Varies significantly by aircraft type and purpose Usually overhead

Emergency Lighting n n n Required by FAR 25. 812 Must include exit marking

Conclusion Exterior Lighting n Interior Lighting n Emergency Lighting n

References n n n Federal Aviation Regulations http: //www. airweb. faa. gov/Regulatory_ and_Guidance_Library/rg. FAR.

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Aircraft Lighting Systems Group 5 Alex Simpson Mark Gabbard 19 September 2006

Overview Exterior Lighting n Interior Lighting n Emergency Lighting n

Exterior Lighting n n Specifically regulated by FAR Requires several systems for transport category aircraft n n n Landing lights (FAR 25. 1383) Position lights (FAR 25. 1385 -95) Anti-collision lights (FAR 25. 1401)

Exterior Lighting Anti-collision lights Position lights C-130 from www. af. mil Landing lights

Landing Lights n n n Light for night landing On wing leading edge or landing gear 28 V DC or 115 V AC 600 W Taxi lights, 250 W Boeing 757 from www. pbase. com/airlinerphotos /aviation_night

Position Lights n n n Also called Navigation lights Red on left wingtip Green on right White on tail 28 V DC or 115 V AC http: //www. aopa. org/online_gallery/

Anti-Collision Lights n n n Red or white flashing 40 -100 cycles per min Must illuminate the vital areas Red beacon on vertical tail White strobes on wingtips Strobes or beacons on top and bottom of fuselage

Other exterior lights n n Cargo loading lights Wing icing detection lights (required) n Cannot cause glare or reflection that impairs crew (FAR 25. 1403) C-17 from www. af. mil

Interior Lighting n Cockpit lighting n n Instrument lighting Cabin lighting

Cockpit Lighting n Instrument lighting n n n Must illuminate each essential instrument and switch Direct rays must be shielded from pilot’s eyes Must provide dimming control A 340 cockpit from www. mmlane. com/flying/

Cockpit Lighting n n n Interior lights to allow crew to perform other functions Not regulated Often red to preserve night vision 767 Cockpit from www. boeing. com

Cabin Lights n n n Varies significantly by aircraft type and purpose Usually overhead fluorescent lights 28 volts DC 767 cabin from www. boeing. com

Emergency Lighting n n n Required by FAR 25. 812 Must include exit marking signs, general cabin illumination, floor escape path lighting, and exterior emergency lighting Must be battery powered and separate from main electrical system

Conclusion Exterior Lighting n Interior Lighting n Emergency Lighting n

References n n n Federal Aviation Regulations http: //www. airweb. faa. gov/Regulatory_ and_Guidance_Library/rg. FAR. nsf Pallett, E. H. J. Aircraft Electrical Systems. Longman Scientific & Technical. 1987. Eisman, T. K. et. al. Aircraft Electricity and Electronics. Mc. Graw-Hill. 1989.

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