Features at a glance:
- 50 Channels, high sensitivity (-160cBm), fast start-up (<1second Time-To-First-fix for hot and aided starts) DPS with 4 Hz position update rate (4 positions per second).
- High contrast and resolution display (320x240 with backlight).
- High sensitivity variometer, featuring exclusive Ultrasense technology with a resolution of 0.01m/s.
- Next to climb indicator.
- USB interface for data transfer and recharging.
- User friendly software interface, easily upgraded by the user.
- “Data logger” with the capacity for up to 176,000 points including position, velocity and altitude (500 hours of flight with a 10s recording interval).
- Wireless interface (radio frequency up to 20m) for multiple probe connections (wind speed probe, temperature probe, etc.).
- Internal rechargeable battery (up to 20hours flight time).
- Configurable information fields.
- Completely configurable variometer acoustics (damper, cadence, frequency, etc.).
- Altitude alarm, sink alarm and wake-up alarm.
- Automatic recording function.
- Competition route definition with all possible variations.
- Start optimisation indicator.
- Data, time and flight duration indication.
- Route optimisation to waypoint.
- Wind speed and direction.
- Several other indicators like; glide ratio to objectives, arriving altitude at destination, velocity made good, distance to objective, etc.
- Distance to take off indication.
- QNH adjustment.
- Analogue and digital vario display 20m/s
- 290 waypoint capacity.
- Battery level indicator.
- Internal temperature sensor.

Flymaster B1-NAV is the best value for money, fully featured, integrated GPS/Vario designed to make your navigation easier for Cross Country and Competition use.

The unit is firmware upgradeable as and when new features are added or any bugs fixed, it can be updated easily from a computer.