Definitions for "Preliminary design review"
A major review of the design for a spacecraft before construction can begin. The preliminary design review marks the boundary between the design phase and the construction phase.
A series of control gate s at which the Buyer review s and approve s the Provider's proposed Design-to baseline as evidenced by lower level performance specification s and associated test plan s and authorize s the Provider to proceed with detail design. All hardware, software, handling equipment, test equipment, and tooling should be sequentially review ed in the descending order of system to assembly. [D01244] VPM 291-4
(PDR). The Preliminary Design Review is held at the conclusion of Preliminary Design to evaluate the Preliminary Design effort and to review and approve the Allocated Baseline containing the Development Specifications.