
TransDigm Group Inc. [TDG] on Tuesday said it has agreed to acquire the independent engineering company Calspan Corp. in a deal that will add transonic wind tunnels and testing and technology services mainly for aerospace and defense customers. Terms of the deal were not disclosed. TransDigm said the pending acquisition is subject to regulatory approvals and is expected to close during its fiscal year that ends in September. Calspan is based in Buffalo, has about 625 employees, and expects to…