Lifesaver Attitude Indicator

Part Number
Model Number
Mid-Continent Instruments and Avionics
Technical Description
Electric, 10–32 VDC, Rotating roll dial, Traditional symbolic aircraft
Marketing Action Note
Specify tilt and lighting voltage
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Purchase Type
New Outright No core return required
Availability Out of stock. Contact us for estimated lead time. List Price
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Purchase Type
Overhaul Exchange Exact part number core return required
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Product Description

Get one hour of emergency attitude reference in the event of aircraft power failure with the Lifesaver® gyro. This certified electric attitude indicator features a reliable, self-contained battery. The 4300-411 unit is designed for easy visibility, featuring anti-reflective glass, a rotating roll dial and traditional symbolic aircraft.

You only get one chance to install a Lifesaver®. Fly with the only electric attitude indicator with a self-contained battery backup. When your aircraft panel goes dark, the Lifesaver® powers on.

Benefits and Specifications
  • Lifesaver® self-contained battery backup features:
    • One hour of emergency power*
    • Built-in annunciation
    • Internal emergency lighting
  • Versions available to match existing instrument/EFIS displays
  • A safe alternative to unreliable vacuum systems
  • Ideal primary or standby artificial horizon in fixed-wing and helicopter applications
  • Single 4-pin connector installation
  • 7,500 hours MTBF — more than double the life of most electric gyros
  • 10–32 volt DC operation for use in both 14 and 28 volt aircraft
  • Field-replaceable lighting
  • Anti-reflective glass enhances visibility and reduces pilot fatigue
  • FAA TSO-C4c certified and RTCA DO-160D qualified
  • DO-160 qualified for helicopter vibration
  • Designed and built in Wichita, Kansas, USA
  • One-year limited warranty
* Fully charged and properly maintained battery. See installation manual.

7,500 Hours


Power Input
10–32 VDC:
1400 mA start, 600 mA max at 14 VDC input
700 mA start, 300 mA max at 28 VDC input

Rechargeable, sealed lead-acid cells
Life = 3 years in average aircraft environment
Runtime = 60 minutes minimum, when fully charged and properly maintained

STBY PWR (standby power mode)
TEST (battery test — red/green)

5, 14 or 28 VDC Incandescent
Field-replaceable tray wired through main connector

Special HEA anti-reflective coating

3.7 lbs.

8.6 inches

Rear mount in standard 3 1/8” round panel cutout

Temperature Range
–30°C to +70°C (–22°F to +158°F)

Mating Connector
Mid-Continent P/N 9015514 (MS3116F8–4S)

Panel Tilt
Aircraft specific — calibrated at factory
Specify exact tilt between 0° to 20° when ordering

Rotating roll dial, traditional symbolic airplane

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