Concorde - BC 9000 12/24-Volt Lead Acid Battery Charger | 4169 Youth Flight Gear then use the included Prepware

then use the included Prepware software to work through the questions for a comprehensive aviation ground school

it features a secure over-the-head dual-ear fit and a wire boom microphone that can be positioned on either side

protective nape pad

Material: Gel-filled vinyl

Concorde - BC 9000 12/24-Volt Lead Acid Battery Charger | 4169 Youth Flight Gear then use the included PrepwareBC 9000 Battery Charger Order as Part Number 4169 The BC 9000 has been designed to provide the operator with accurate battery charging with ease of operation. Charger Features Include: Adjustable output from 3. 0 to 36. 0 Vdc (0. 1 steps) Adjustable output amperes from 0. 05 to 25 Adc Constant voltage or constant current charge Adjustable charge time from 1 999 min Single or two step charge routine Common Features: Universal AC power input 90~264vac