To amend the Internal Revenue Code of 1986 to clarify the treatment of aircraft maintenance and repair expenditures required by the Federal Aviation Administration.

Amends the Internal Revenue Code to deem as a deductible repair and not chargeable to the capital account required aircraft maintenance expenditures (as defined by this Act) performed under a government airworthiness maintenance program (as defined by this Act). Excludes expenditures with respect to major design changes or equipment not previously placed in service by the taxpayer.