Exterior LightingSpecifically regulated by FARRequires several
systems for transport category aircraftLanding lights (FAR
25.1383)Position lights (FAR 25.1385-95)Anti-collision lights (FAR
25.1401)
Exterior LightingPosition lightsAnti-collision lightsLanding
lightsC-130 from www.af.mil
Landing LightsLight for night landingOn wing leading edge or
landing gear28V DC or 115V AC600WTaxi lights, 250WBoeing 757 from
www.pbase.com/airlinerphotos/aviation_night
Position LightsAlso called Navigation lightsRed on left
wingtipGreen on rightWhite on tail28V DC or 115 V AC
http://www.aopa.org/online_gallery/
Anti-Collision LightsRed or white flashing40-100 cycles per
minMust illuminate the vital areasRed beacon on vertical tail White
strobes on wingtips Strobes or beacons on top and bottom of
fuselage
Other exterior lightsCargo loading lightsWing icing detection
lights (required)Cannot cause glare or reflection that impairs crew
(FAR 25.1403)
Cockpit LightingInstrument lightingMust illuminate each
essential instrument and switchDirect rays must be shielded from
pilots eyesMust provide dimming controlA340 cockpit
fromwww.mmlane.com/flying/
Cockpit LightingInterior lights to allow crew to perform other
functionsNot regulatedOften red to preserve night vision
767 Cockpit from www.boeing.com
Cabin LightsVaries significantly by aircraft type and
purposeUsually overhead fluorescent lights28 volts DC767 cabin from
www.boeing.com
Emergency LightingRequired by FAR 25.812Must include exit
marking signs, general cabin illumination, floor escape path
lighting, and exterior emergency lightingMust be battery powered
and separate from main electrical system
References Federal Aviation Regulations
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgFAR.nsfPallett,
E. H. J. Aircraft Electrical Systems. Longman Scientific &
Technical. 1987.Eisman, T. K. et.al. Aircraft Electricity and
Electronics. McGraw-Hill. 1989.
