UV-A flashlight Can Identifies aviation leaks : The UV-A flashlight  OPTIMAX 365 from Spectronics Corporation is a cordless, rechargeable, UV-A LED flashlight that can identify leaks in fuel, lubrication and hydraulic aviation systems. The OPTIMAX 365 features an ultra-high intensity UV-A LED, which makes all leak detection dyes glow brightly, according to company officials. Four times brighter