14 C.F.R. § 27.1559 Limitations placard.
Title 14 - Aeronautics and Space
There must be a placard in clear view of the pilot that specifies the kinds of operations (such as VFR, IFR, day, night, or icing) for which the rotorcraft is approved. [Amdt. 27–21, 49 FR 44435, Nov. 6, 1984]
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart G—Operating Limitations and Information
Markings and Placards
§ 27.1559 Limitations placard.