Instrument Repair

C & L Aero is certified to service all CLASS 1 instruments. CLASS 1 instruments are defined in FAR part 145.31 as any mechanical, pressure or vacuum driven instrument used on aircraft or to operate aircraft.
Examples of CLASS 1 instruments are :

• Cable driven RPM indicators
• Altimeters
• Cabin Altitude Indicators
• Airpseed Indicators
• Machmeters
• Rate of Climb Indicators
• Oil Pressure Gauges
• Fuel Pressure Gauges
• Fuel Flow gauges
• Manifold Pressure Gauges
• Oxygen Pressure Gauges
• Differential Pressure Gauges
• Miscellaneous Pressure Gauges
• Suction Gauges
• Standby Compasses

C & L Aero also holds a limited CLASS 2 instrument rating allowing for
the service of :

• Electric tachometer indicators
• Tachometer percent indicators

C & L Aero can also service and re-certify various Line Test Equipment,
such as :

• Pitot-Static Testers and/or instruments
• Air Data Testers and/or instruments
• Tire Pressure Gauges
• Cylinder Pressure Gauges
• Rudder Throw Limiter Testers
• Miscellaneous Pressure Gauges

We also can provide service and/or information for customers restoring older aircraft. Our technical library includes many old instruments which aircraft restorers find to be a valuable resource. We can provide 
artwork and re-screening of instrument dials for these projects.

Instrument manufacturers we service include :

• Weston Instruments
• United Instruments
• Kollsman
• Ranco
• Trans-Cal
• Aerosonic
• Narco
• Globe
• Garwin
• Airpath
• Edo-Aire
• Sigma-Tek
• Bendix-Pioneer
• U.S. Gauge
• Barfield
• General Electric