If buying one instrument as a student pilot, make it a variometer. Understanding lift and sink is fundamental, and a variometer makes that information visible and audible.
Why Not Just Use a Smartphone App?
Phone barometers are not for aviation use. They drain battery in 1-2 hours. A dedicated variometer gives instant reliable feedback without distractions.
Key Features for Students
- Audio feedback: MX Vario’s thermal alarm helps understand lift patterns
- Precision: BMP390 shows subtle thermals
- Battery: 25+ hours, never worry about charging
- Price: 86 USD, affordable for students