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MD23-215

Model #: MD23

Flex Digital Counter Drum Encoding Altimeter

2-inch, 55k, Inches or millibars, LCD

Manufactured by Mid-Continent Instruments and Avionics
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  • List Price: $5,500.00
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User-Selectable Features
    • Vertical speed indicator (ON/OFF)
    • 6-second vertical trend (ON/OFF)
    • Altitude target (ON/OFF)
    • Approach minimums alert (ON/OFF)
    • Barometric setting (millibars, hectopascals or inches of mercury)
  • Operating range up to 55,000 feet
  • Configurable altitude units (feet or meters)
  • Baro setting synchronized via ARINC 429
  • Encoding outputs via ARINC 429 and Gray Code
  • Standard 2-inch size
  • Lightweight — 0.4 lbs
  • Simple user interface — Single, push-and-turn control knob
  • Daylight readable LCD and smooth, high-resolution graphics
  • Manual external lighting control or built-in photocell for automatic dimming
  • SSEC curve customized to match primary flight displays (available)
  • Night Vision Imaging System (NVIS) compatible (available)
  • TSO certified (Design Assurance Level A)
  • Designed and built in Wichita, Kansas, USA
  • Two-year limited warranty
Power Input
10–32 VDC
0.14A @ 28 VDC; 4 watts nominal

Data Input
ARINC 429: Low or high speed; Labels 234, 235
Pressure: Absolute/Static (Quick Disconnect)

Data Output
ARINC 429: Low or high speed; Labels 203, 204, 212, 217, 234, 235
Gray Code

Operating Range
-1,500 to +55,000 feet

Units of Measure
Altitude: Feet or meters
Barometric Setting: Millibars (mb), hectopascals (hPa) or inches of mercury (in.Hg)

Lighting
5, 14, or 28 VDC external control or internal photocell for automatic dimming

Weight
0.4 lbs (0.17 kg)

Mounting
Rear panel mounted, (4) #6–32 screws, 2.25-inch round bezel

Dimensions
2.43 x 2.43 x 1.0 inches (61.7 x 61.7 x 25.4 millimeters)

Mating Connector
P/N 9019162-1: 26-pin, D-Sub electrical connector (Quick Disconnect)
P/N 9019162-2: Pneumatic fitting (Quick Disconnect)

Certification
FAA TSO certified to C10c, C106, C113b
RTCA DO-160G qualified
RTCA DO-178C qualified, Design Assurance Level (DAL) A

Rights
U.S. Patent 11,048,389
6420023 Installation Manual
6420023 Technical Drawing

Product Flier
MD23-215 Product Flier

User Guide
MD23-215 User Guide

Service Bulletins
MD23-01
MD23-02
MD23-03

Software Updates

Click the button below to be redirect to the FLEX® MD23 Standard Unit Software Update page.

Software Version 1.1.0
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