2. Amend Sec. 91.527 by revising paragraphs (a) and (b) to read as
follows:
Sec. 91.527 Operating in icing conditions.
(a) No pilot may take off an airplane that has frost, ice, or snow
adhering to any propeller, windshield, stabilizing or control surface;
to a powerplant installation; or to an airspeed, altimeter, rate of
climb, or flight attitude instrument system or wing, except that
takeoffs may be made with frost under the wing in the area of the fuel
tanks if authorized by the FAA.
(b) No pilot may fly under IFR into known or forecast light or
moderate icing conditions, or under VFR into known light or moderate
icing conditions, unless--
(1) The aircraft has functioning deicing or anti-icing equipment
protecting each rotor blade, propeller, windshield, wing, stabilizing
or control surface, and each airspeed, altimeter, rate of climb, or
flight attitude instrument system;
(2) The airplane has ice protection provisions that meet section 34
of Special Federal Aviation Regulation No. 23; or
(3) The airplane meets transport category airplane type
certification provisions, including the requirements for certification
for flight in icing conditions.
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