SmartStem Wireless Tire Pressure system certified for Boeing 747-400 aircraft

Crane Aerospace & Electronics, a segment of Crane Co., announced the approval of its SmartStem Wireless Tire Pressure system for use on Boeing 747-400 aircraft. This approval represents the first certification for retrofittingSmartStem on large commercial aircraft. SmartStem technology is standard on Boeing 777 and 787 production aircraft. The 747-400 SmartStem system provides a significantly improved alternative to manual aircraft tire pressure measurement. SmartStem provides a means to check tire pressure quickly, accurately and without gas loss, for improved safety. Each system consists of high-accuracySmartStem sensors, which replace the existing standard wheel fill stems, and the Handheld Reader, which electronically reads and stores tire pressure and temperature.