Text in force at CAR3-14: from CAR3-0, effective 1 Nov 1949. OCR text
All bolts, pins, screws, and rivets used in the structure shall be of an approved type. The use of an approved locking device or method is required for all such bolts, pins, and screws. Selflocking nuts shall not be used on bolts subject to rotation during the operation of the airplane.