09/11/2018
RANS S-21 OUTBOUND
TEXT MANUAL
29
NUMBERING AND PLACARDS
WHAT ARE THE SPECIAL REQUIREMENTS AS FAR AS ATTACHING
NUMBERS AND PLACARDS TO HOMEBUILT AIRCRAFT?
DISPLAY OF MARKS
(Reference FAR Part 45.23)
After you obtain the registration of your aircraft, the Registration numbers or
marks must be affixed to the aircraft in some permanent fashion. The marks must
be legible and have no ornamentation. They must contrast in color with the
background.
The marks displ
ayed on the aircraft shall include the letter “N” signifying U.S.
Registry, followed by the registration number issued for the aircraft.
In addition, amateur-built (Experimental) aircraft must have displayed on that aircraft
near each entrance to the cabin or cockpit, in letters not less than 2" not more than 6"
in height, the word, EXPERIMENTAL”.
LOCATION OF MARKS ON FIXED WING AIRCRAFT
(Reference FAR Part 45.25)
(b) (1) If displayed on the vertical tail surfaces, horizontally on both surfaces, horizontally
on both surfaces of a single vertical tail or on the outer surfaces of a multi-vertical tail.
However, an aircraft on which marks at least 3" high may be displayed and in accordance
with 45.29 (b)(1), the marks may be displayed vertically on the vertical tail surface.
(2) If displayed on the fuselage surfaces, horizontally on both sides of the fuselage
between the trailing edge of the wing and the leading edge of the horizontal stabilizer.
However, if engine pods or other appurtenances are located in this area and are an
integral part of the fuselage side surfaces, the operator may place the marks on those
pods or appurtenances.
