Model Number: Castleberry Model 377-4M

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Pitot Static Test Set

To view click here: Standard Warranty Policy  377-4M Operation Manual

Aero Express will buy, sell and trade the3774-M depending on your needs.  The Model 377-4 Tester is a compact, portable and precise tester, complete with vacuum-pressure pump, valves, hoses, electric cord and monitoring instruments.


  • All components are contained within the fiberglass case, 10 inches high, 15 inches wide and 15 inches deep, weighing 30 pounds
  • For use on the bench or aircraft

90-Day Warranty


Express Calibration is an Authorized ISO-17025 Calibration and Repair shop for the Castleberry 377-4M.  Visit for full capabilities.

All units will be sold with a current calibration certificate. If factory new, a manufacturer’s Certificate of Conformance (C of C) will be provided.

Since its inception, Express Calibration Services has supported Aero Express’ endeavors in providing test equipment support services.

They perform calibrations for General Aviation, Corporate Aviation, OEMs, FAA Repair Stations, Military, as well as Regional and Air Transport Airlines. Express Calibration Services offers their services when you have a requirement for calibration or repair of your test equipment