Kellstrom Repair Services – Miramar, FL



Kellstrom Repair Services (KRS) is a FAA (3KRR581C) and EASA (145.4529) approved repair station specializing in the complete repair and overhaul of Accessory Class III and Instrument Class I, II, III and IV products for defense and commercial platforms.


We support avionic system components and hydraulic system components. Our capabilities also extend to tooling development, and avionic and accessory engineering design and fabrication. Our world-class 26,521sq. ft. facility includes state-of-the-art equipment.

We support most components present in aircraft crew compartments of most major commercial and military aircraft, and systems relating to communication, navigation and flight information including: TCAS Computers , Mode Control Panels, Gyros, Air Data Computers, Auto Pilots & Flight Control Systems , RADAR Systems, Flight Management Computers, Cabin Pressurization Controls, Primary Flight Instruments .

Our Automatic Test Equipment (ATE) enables us to service sophisticated electronic equipment with reduced time to diagnose component failures and final testing. The use of ATE is vital for servicing today’s technology and can reduce the time required to service a unit by as much as 75%. Our ATE platforms provide state of the art testing and quality.

We also maintain a fully functional gyroscope laboratory for the repair and overhaul of directional, attitude, standard horizon, turn coordinator, turn & bank, and turn & slip mechanical gyroscopes. All aspects of gyro repair and test are handled in-house, from rotor balancing to Scorsby testing. The gyro laboratory “clean room” has an independent air conditioning system, filtration, and dehumidifier and an electronic temperature monitor system ensures proper temperature humidity is maintained.

We service a wide range of hydraulic components including: Variable Displacement Hydraulic Pumps, Actuators, Hydraulic Motors, Transducers, Servos, Landing Gear, Brakes. All repair functions are kept in-house whenever possible.

We maintain two hydraulic test stands providing capability for both defense and commercial hydraulic component repair and test.

The Stanley Hydraulic Test Stand uses Skydrol™ fluid and features two media supplies, two return circuits, high flow and leakage flow meters, and a variable drive system capable of up to 7500 RPM. These capabilities allow for testing of nearly every hydraulic assembly and sub assembly for all commercial aircraft worldwide.

The Avtron Hydraulic test stand uses MIL-H-83282 or MIL-H-5606 fluid and features two media supplies, two return circuits, three flow meters and a variable drive system capable of up to 5000 RPM. These capabilities allow for all defense platforms that use red oil.

We offer complete repair, overhaul and inspection for landing gear, wheels and brakes for the following platforms: C-130, P-3, Boeing 707 Derivatives, and F-16.

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