all U.S a/C have availabel a current, approved AFM, or if applicable any combination of approved manual materials, markings, and placards. All aircraft manufactured after 3.1.79 must have an AFM. For a/p type certificated with gross weights of 6,000 lb or under which wer not required to have an afm, the required info. may be an AFM or any combination of approved manual material, markings, and placards. These should be current and available in the a/p during operation.