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CATEGORIES OF ANTI-COLLISION STROBE SYSTEMS
CATEGORY NO. 1 Aircraft for which type certificate was applied for after April 1,
1957. These anti-collision light systems must produce a minimum of 100 effective candles
in aviation red or aviation white (reference FAR 23.1397), 360° around the aircraft’s
vertical axis, + or -30° above and below the horizontal plane with a maximum of
.5 steradians (1642 square degrees) of solid angle blockage (reference FAR 23.1401).
CATEGORY NO. 2 Aircraft for which application for type certificate was applied for
after August 11, 1971. These aircraft must have an anti-collision strobe light system
that produces a minimum of 400 effective candles, to the aforementioned specifications.
CATEGORY NO. 3 Aircraft for which application for type certificate was applied
for before April 1, 1957, may, but need not comply, to the field of coverage requirements
for FAR 23 and 27.140(b). Compliance with FAR 91.33(c)(3) may be shown
provided the light installation is in accordance with date approved prior to August 11,
1971, and applicable criteria of Advisory Circular 43.13-2 chapter 4 are met. These application
dates are the dates the application for production type certificate by the original
manufacturer of the aircraft was requested, not the manufacture date of the aircraft.
HOMEBUILT AIRCRAFT NIGHT FLYING REQUIREMENTS
For compliance to FAR 91.33(c)(2) and (3) (VFR Flight Rule Night) for homebuilt aircraft,
they must comply to the aforementioned criteria. Reference to the date of issuance
of operations limitations for the particular aircraft. Aircraft which operations
limitations are issued prior to August 11, 1971, require only 100 effective candles for
the anti-collision strobe light systems aviation red or white. Aircraft which issuance of
operations limitations was after August 11, 1971, require 400 effective candles produced
by their anti-collision strobe light system. |
