Electronic Standby Attitude Indicator Mid-Continent MD302 Standby Attitude Module provides: • Attitude (pitch/roll angle: no limits; rate 300 deg/s max) • Altitude (Range: -1,500 to +55,000 ft; Barometer: 28 to 31 in-Hg) • Airspeed (20 to 500 kt) • Slip indication • Rechargeable Li-ion Battery backup (min 1 hour) Standby Attitude Battery Monitor, Bell 412EP The Standby Attitude Battery Monitor automatically alerts crew when standby attitude indicator is operating by standby auxiliary battery. Annunciator on instrument panel gives crew visual indication. JAR-OPS 3 approved.