14 C.F.R. § 27.1541 General.
Title 14 - Aeronautics and Space
(a) The rotorcraft must contain— (1) The markings and placards specified in §§27.1545 through 27.1565, and (2) Any additional information, instrument markings, and placards required for the safe operation of rotorcraft with unusual design, operating or handling characteristics. (b) Each marking and placard prescribed in paragraph (a) of this section— (1) Must be displayed in a conspicuous place; and (2) May not be easily erased, disfigured, or obscured.
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart G—Operating Limitations and Information
Markings and Placards
§ 27.1541 General.
