This advisory circular (AC) provides guidance for airport sponsors in the selection and engagement of architectural, engineering, and planning consultants. It also discusses services that normally would be included in an airport grant project, types of contracts for these services, contract format and provisions, and guidelines for determining the reasonableness of consultant fees.

ACRP Synthesis 13 explores assessment techniques that can be used by airports in performing benefit-cost analysis for hard-to-quantify benefits from projects needing more than $5 million in Airport Improvement Program discretionary funding.