The Department of Defense, through the Naval Air Warfare Center Aircraft Division (NAWCAD), is conducting market research to identify potential sources for rack-mounted Analog Discrete Input Measurement instruments for the Engine Test Instrumentation Replacement System (ETIRS). The procurement aims to acquire Commercial Off the Shelf (COTS) or Modified COTS ARINC-429 Communication instruments that meet specific performance and environmental requirements, crucial for ensuring reliable operation in military applications. Interested vendors must respond with their capabilities, past performance, and compliance with specified standards by December 16, 2024, at 4 PM EST, and can contact Justin Panecki or Terrence Shearer for further information.