Federal Aviation Regulations (FARs): Primary federal regulations governing aviation in the US, including FAA requirements for aircraft registration, Title 14 of the Code of Federal Regulations (CFR), and requirements for airworthiness certificates

Transportation Code: Federal regulations (49 U.S.C. ยง 44101-44112) covering registration requirements and procedures for bill of sale and title transfer in aircraft transactions

Securities Laws: Including Securities Act of 1933 and Securities Exchange Act of 1934, particularly relevant if the transaction involves aircraft-backed securities

Uniform Commercial Code (UCC): State-adopted uniform law governing commercial transactions, particularly Article 2 (Sale of Goods) and Article 9 (Secured Transactions)

Cape Town Convention and Aircraft Protocol: International treaty governing security interests in mobile equipment, including requirements for registration in the International Registry

Tax Laws: Federal, state, and local tax implications, including sales tax requirements and depreciation rules for aircraft purchases

Export/Import Regulations: Including Export Administration Regulations (EAR), International Traffic in Arms Regulations (ITAR), and customs requirements for international transactions

Environmental Regulations: EPA requirements and noise and emissions standards applicable to aircraft operations

State-Specific Laws: Various state-level requirements including registration, tax laws, and commercial codes that may affect the transaction

Anti-Money Laundering Laws: Including Bank Secrecy Act and USA PATRIOT Act requirements for large financial transactions

Consumer Protection Laws: Including Truth in Lending Act and Consumer Leasing Act, if applicable to the transaction type

Insurance Requirements: Mandatory coverage requirements and liability considerations for aircraft ownership and operation