Generator regulator control unit

Peace of mind & reliability

Air Data’s generator regulator control unit (GRCU) regulates the voltage of a nominal 28VDC/200A generator-starter conforming to MIL-G-6162 for single or multi-engine aircraft.

Adaptable to any aircraft

Designs that fit your specs, not the other way around

Rugged, reliable and tested

So dependable, no scheduled maintenance required

Cost effective vs avionic giants

We are big, not giant. Take advantage of our pricing structure.

GRCU features

Air Data GRCU provides DC power conforming to limits specified in MIL-STD-704F. The GRCU is designed to share the current load of a second GRCU to regulate a twin-generator 28 VDC electrical power system.

GRCU Fact Sheet

Easily adaptable for various types of aircraft

Voltage regulation

7-position voltage setting (27.0 to 29.0 VDC)

Reverse and over current protection

Overvoltage and undervoltage protection

Line contactor control with short circuit protection

Generator field control with short circuit protection

Floating pin detection protection

Current or load sharing (voltage regulation) in a dual configuration

Cross-start (current regulation) in a dual configuration

Fully digital sequencing control

Gen. out and degraded indicators outputs

Over current discrete output

No scheduled maintenance required

GRCU versatility

Commercial or military, Air Data’s GRCU can be used in any type of aircraft, for new projects and modernization programs.

Rotary and fixed wing
Manned and unmanned air vehicle (UAV)
Commercial and military
Military trainers
Rotary and fixed wing
Manned and unmanned air vehicle (UAV)
Commercial and military
Military trainers

Air Data clients

Renowned clients worldwide

Bell

Pratt & Whitney Canada

Major clients