Section 87.301 - Supplemental eligibility(a) The following entities are eligible for flight test station licenses: (1) Manufacturers of aircraft or major aircraft components;(2) A parent corporation or its subsidiary if either corporation is a manufacturer of aircraft or major aircraft components; or(3) Educational institutions and persons primarily engaged in the design, development, modification, and flight test evaluation of aircraft or major aircraft components.(b) Each application must include a certification sufficient to establish the applicant's eligibility under the criteria in paragraph (a) of this section.53 FR 28940, Aug. 1, 1988, as amended at 63 FR 68957, Dec. 14, 1998