Text in force at CAR3R-8: from CAR3R-0, effective 15 May 1956. OCR text
Adequate means Shall be provided to permit the close examination of such parts of the airplane as require periodic inspection, adjustments for proper alignment and functioning, and lubrication of moving parts. - STRUCTURAL PaRTS § 3.301 Material strength properties and design values. Material strength properties shall be based on a sufficient number of tests of material conforming to specifications to establish design values on a statistical basis. The design values shall be so chosen that the probability of ‘any structure being understrength because of material variations is extremely remote. Values contained in ANC-5, ANC-18, and ANC-23, Part Il shall be used unless shown to be inapplicable in a-particular case. Notre: ANC-5, “Strength of Metal Aircraft Elements,” ANC-18, ‘Design of Wood Aircrait Structures,” and ANC-23, “Sandwich Construction for Aircraft,” are published by the Subcommittee on Air Force-Navy-Civil Aircraft Design Criteria, and may be obtained from the Superintendent of Documents, Government Printing Office, Washington 25, D.C.