MD302 Standby Altitude Module (SAM) | Black Bezel, Li-ion Battery



Mid-Continent's MD302 Standby Altitude Module or SAM™ features a unique two-screen display that provides attitude, altitude, airspeed, slip, vertical trend, and heading information to the pilot during normal or standby operation in the event of primary instrument failure. This self-contained, solid-state instrument features a selectable orientation, horizontal or vertical, which allows flexible cockpit design and installation.

The MD302 is also equipped with a rechargeable Nanophosphate® lithium-ion battery that provides up to one hour of emergency operation when fully charged.

Estimated delivery: May 21st - May 24th
Part Number: 6420302-1 Category:


  • Attitude, altitude, airspeed, slip, and vertical trend indication
  • Optional Heading via the MD32 Magnetometer or aircraft system
  • Five primary functions utilize modern solid-state MEMS gyro, accelerometer, and pressure
  • Transducer technology
  • Compact footprint — only 2.4 x 5.5 inch
  • Lightweight — Only 1.6 lb
  • Self-contained, rechargeable, field-replaceable emergency battery
  • Smooth, high-definition graphics
  • Unique two-screen display with wide viewing angles and a user-friendly menu structure
  • Selectable horizontal and vertical orientations
  • Aircraft-specific, programmable airspeed range markings
  • Configurable for static source error correction (SSEC)
  • Simple user interface — one knob configures the display and provides menu control
  • External, automatic, and manual dimming control settings
  • Software configurable lighting curves
  • Field-upgradable software via standard USB port
  • Designed and built-in Wichita, Kansas, USA

Additional information

Weight1.6 lbs
Dimensions5.5 × 2.37 × 5.17 in
Power Input

10 VDC — 32 VDC, 6 watt (nominal), 40 watt (maximum)


ARINC 429 (high or low speed, see the manual for specific labels)

Operating Range

Attitude: 300° per second pitch, roll and yaw (max)
Altitude; -1,500 to 55,000 ft (-457 to 16,764 m)
Airspeed: 20 to 500 knots (23 to 575 mph) (37 to 926 kph)

Vertical Trend

6-second time frame


Within ±2° up to 55°N or 45°S

Units of Measure

Altitude: Feet or meters
Barometric Setting: Inches of mercury, millibars
Airspeed: Knots, miles per hour, or kilometers per hour

Panel Tilt

-90° to +90° Pitch, Configurable

Panel Roll

-5° to +5° Roll, Configurable


5 VDC, 14 VDC, and 28 VDC external input or internal photocell
Programmable dimming curve

Pilot Interface

16-detent, push and turn knob


Rechargeable, field-replaceable, internal battery
Technology: Nanophosphate® lithium-ion or nickel-metal hydride
Run Time: 60 minutes minimum when fully charged and properly maintained


Front Panel Mount

Mating Connectors

Mid-Continent P/N 9017646 kit contains custom DB15 connector with configuration module, pitot, and static connectors


FAA TSO certified C2d, C3e, C4c, C6e (incomplete), C10b, C106, C113a, C179a
ANAC TSO certified C2d, C3e, C4c, C10b, C106, C113a, C179a
EASA ETSO certified C2d, C3d (incomplete), C4c, C10b, C106, C113, C179a
RTCA DO-178B and DO-254 Design Assurance Level (DAL) A
RTCA DO-160 and RTCA DO-311 Qualified



Mid-Continent MD302 Standby Altitude Module (SAM)

MD302 Standby Altitude Module (SAM) | Black Bezel, Li-ion Battery


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