The MD215 is an economical replacement for legacy 2-inch
counter drum altimeters, commonly found on turboprop and
advanced light-to-heavy business jet aircraft.
The MD215 combines the time-tested familiarity of a
mechanical display with the reliability and value of electronic
pressure sensing and servo-driven motors. It is a perfect
form and fit replacement for traditional 2-inch counter drum
products, which can be expensive to repair or replace.
The optional internal battery provides one hour of emergency
operation in the event of power loss to the instrument