Airline Competition Enhancement Act of 1993

Airline Competition Enhancement Act of 1993 - Amends the Federal Aviation Act of 1958 (the Act) to prohibit a vendor, in the operation of its air carrier computer reservations system, from discriminating against participants in such system in specified ways, including: (1) making available to subscribers an integrated display which orders information on air carrier identity; (2) supplying information to a person creating an integrated display; (3) making available, after September 30, 1994, to a subscriber or participant any subscriber or participant transaction capability which is more functional, timely, complete, accurate, reliable, secure, or efficient with respect to one subscriber, or participant, than to another; (4) charging a participant fee for the provision of any computer reservation system service unless it is reasonable; or (5) prohibiting a subscriber from using another computer reservation system.

Prohibits a vendor or air carrier from requiring, or providing incentives to induce, a subscriber to use information from a computer reservation system to create an integrated display which orders information on air carrier identity.

Prohibits a vendor, except on grounds of demonstrated technological incompatibility, from prohibiting or unreasonably restricting the: (1) interconnection to its computer reservation system equipment of computer hardware or software supplied by a person other than such vendor; or (2) use by a subscriber, to access any other computer reservation system or data base, of hardware and communications lines supplied by another vendor. Sets forth other specified prohibitions.

Sets forth: (1) administrative and congressional reporting requirements (including reports on participant fees charged by vendors); and (2) specified administrative provisions with respect to violations of this Act.

Requires a rulemaking proceeding to consider whether there should be a reduction in the annualized rate of random testing for prohibited drugs for personnel engaged in aviation activities.

Declares that nothing under the Act authorizes the Secretary to grant a public agency authority to impose a fee for a passenger enplaning at an airport if the passenger did not pay for the air transportation, including in cases in which the passenger obtained the airline ticket with a frequent flier award coupon without monetary payment.