In-Service Call or Inquiry Procedure

white and silver Cirrus jet flying over water and forest

When a call, email or other correspondence is received from a customer or aircraft service facility about an in-service issue on a CiES TSO product, the following procedure is to be followed: Ask if the situation is a safety of flight or if safety of flight has been compromised by the problem. If the Answer…

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Troubleshooting Erratic Outputs on CiES Fuel Senders

close-up of hard-anodized sender housing with a hand nearby

Fuel level inconsistencies can be frustrating, especially after what appears to be a proper installation. If your CiES fuel senders are showing erratic or unreliable readings, here are the top five causes — and how to resolve them quickly and safely. 1. Grounding Issues Most common cause of erratic readings. Every CiES sender uses a…

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