See Cylinder Head Temperature.

Cylinder Head Temperature. Temperature measured either inside the casting of the cylinder head by means of a hole under the lower spark plug (when provided) or measured by means of a round thermocouple sensor located under the spark plug.

Cylinder Head Temperature Gauge

Gauge to show the pilot what his engine Cylinder Head Temperature is. Usually uses a sender under the spark plug.

Certified Hypnotherapist/Hypnotist

Certified Hand Therapist

acronym for Certified Hypnotherapist.