A torque gauge showing 9.5 in the yellow zone, with a digital display reading 95.3.

Torque Indicator and Transducer Upgrade

FAA STC No. SR02712LA
Applicability: MD Helicopters 369HE/HM/HS/D/E/FF & 500N
Estimated Installation Hours: 16-20

The indicator is a pressure transducer driven indicator and utilizes a flexible oil line installed in the engine bay. The blue-white indicator backlight allows for clear readability during night operations.

  • Removes the MD Helicopters existing “wet line” and stainless steel line that runs from the engine torque pressure port to the aircraft instrument panel.

  • Removes all chances of oil leaking from the torque indicator system within the aircraft cabin.

  • Removes the inspection procedures for the MD plastic oil line thru out the cabin.

  • Indicator is a direct replacement for the MD indicator mounting location. Also may utilize a 4-hole mounting bezel.

  • Transducer and oil line are installed in the aircraft engine compartment which allows for ease of installation and maintenance.

  • Reduces time in inspection resulting in a saved profit instantly.