PLATTEVILLE, Wis., August 18, 2010 — Esterline® Corporation, (NYSE: ESL; www.esterline.com), a leading specialty manufacturer serving the aerospace and defense markets, today announced AVISTA® Incorporated, part of its Control Systems platform, has been reappraised for maturity level 5 of the Capability Maturity Model Integration (CMMI®). The team is the only US-based safety-critical software development service provider to hold this highest possible rating.