Pressure relief valve exhaust gas heating means for aircraft bac
Process and device for estimating the altitude of an aircraft in
Rate of turn indicator
Rate of turn indicator
Redundant inertial measurement system
Redundant vacuum system for aircraft instruments
Retroflective attitude determining system
Safe take-off indicators
Sailboat steering indicator system
Sailing course computer
Sensor for detecting the influence of cross wind on a vehicle
Ship movement measurement
Ship wave heading indication method and apparatus
Shipboard wave measurement system
Single cue drive for flight director indicator
Skin friction measuring device for aircraft
Solar reference flight roll position sensor
Speed measuring device for a helicopter
Spherical indicators for aircraft
Strapdown measuring unit for angular velocities