Digital analog speed display ensures stable function for fixed wing survey aircraft. Consistent speed measurement assists in maintaining ideal flight paths during difficult weather, suitable for professional imaging and mapping tasks Functions with multiple fixed wing survey models and enhanced for standard piloting setups. Simple linking configuration eliminates adapter needs, enabling quick preparation for flight crews Metal and combination delivers optimal weight to strength properties. Metal enhances sturdiness while reduces overall mass, built for prolonged intensive usage periods Section based structure allows access for cleaning and care. Effective maintenance sustains consistent function, suitable for repeated flight operations and professional surveying applications Built in high accuracy detectors supply constant speed data. Allows users to implement required modifications during height variations and changing wind situations, important for demanding tasks