Your Cart

Items

Total
Shipping and taxes calculated at checkout

Your Cart

0 Items

Total $0.00
Shipping and taxes calculated at checkout
FLEX_MD23_Volt_AMP_METER copy

P/N: MRA2437-6420023-1

VOLT/AMP METER

Jump to product details

Please verify that this product is eligible for your aircraft before adding it to your cart.

Click here to view product eligibility

Share this product:

Approval FAA PMA STC
Condition New
Manufacturer Martinaire Aviation, LLC
Dimensions L: 2 x W: 3 x H: 4.5 in
Weight 0.5 lbs
Unit of Measure Each
Retail Price $8,125.00
Your Price $6,500.00
Stock Status Expected ship date is 08-03-2026. Notify me when it's back in stock

Supersedures

Please verify that this product is eligible for your aircraft before adding it to your cart.
OEM Part Number McFarlane Part Number Comment
2670120-1 MRA2437-6420023-1
C662504-0101 MRA2437-6420023-1
S3486-1 MRA2437-6420023-1

Related Documents

Eligible Aircraft

Make Model Start S/N End S/N Comment Eligibility Chart
Cessna 208B 208B0001 208B9999 Installation with STC SA04804NY 8060

Related Categories

Product Details

Flex MD23 Volt/Amp Meter for Cessna Caravan

Replaces C662504-0101 (200A), S3486-1 (300A), and 2670120-1 Selector Switch
Modern digital replacement for the legacy Martinaire volt/amp meter on 208B Caravan aircraft.

  • Built-in indicator and selector switch
  • Economical and easy to install
  • Four user-selectable display configurations
  • Simple push-and-turn control knob
  • Daylight-readable, high-resolution LCD display stays clear in direct sunlight
  • Fits standard 2-inch instrument cutout
  • FAA STC, TSO certified; qualified to RTCA DO-160G and DO-178C DAL A
  • 2-year limited warranty

The Flex® MD23 consolidates voltage and current monitoring into a single 2-inch instrument, replacing the legacy meters and selector switch on Cessna 208 and 208B Caravan aircraft. Read more here.

STC kit includes:

  • Flex® MD23 instrument
  • Wire harness
  • Blanking plug
  • Aircraft Flight Manual Supplement (AFMS)
  • Service Bulletin (SB)
  • Instructions for Continued Airworthiness (ICA)
WARNING: Cancer and/or Reproductive Harm - www.P65warnings.ca.gov

Why choose McFarlane?

OUR PARTS ARE ENGINEERED TO LAST LONGER WHILE SOLVING KNOWN SAFETY ISSUES

OVER 40,000 PARTS IN STOCK WITH SAME DAY SHIPPING IF ORDERED BY 3PM

OUR TEAM PROVIDES THE OLD-FASHIONED CUSTOMER SERVICE THAT YOU EXPECT

Map of the US with a star in Eastern Kansas

Center of the US for Fast Shipping

Don't see what you're looking for?

View our search tips page, support page or please contact us.

Or, try our chat feature, located on the right side of our website during business hours. We welcome your comments and suggestions.