1. 8624. Which instruments are connected to an aircraft’s pitot-static system? 1. Vertical speed indicator. 2. Cabin altimeter. 3. Altimeter. 4. Cabin rate-of-change indicator. 5. Airspeed indicator. A. 1, 2, 3, 4, and 5. B. 1, 2, and 4. C. 1, 3, and 5.