URAS

Fast and precise flight phase's performance in seconds. Enter FL and WT, get instant Pitch, VS, N1, and IAS for quick reference in case of unreliable airspeed emergency.

URAS (UnReliable AirSpeed) is a lightweight performance reference tool designed for professional flight crew.

Enter Flight Level (FL) and aircraft weight, and the app instantly calculates key performance parameters using bilinear interpolation from performance tables.

Features: • Climb, Cruise, Descent calculations • Holding performance (filtered from entered altitude down to 5000 ft) • Go-Around data (0–10000 ft range) • Instant Pitch, Vertical Speed, N1, and IAS output • Clean single-line results for quick readability • 3-digit restricted inputs for accuracy • Optimized for fast operational use

Built for pilots who need quick, structured performance references during unreliable airspeed situations.