For Your Safe Flight
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Section 2 - Interpreting Data
Operation for each Phase of Flight
(Worth adding to your run-up checklist.)
Engine Run-Up
Suggested setup:
Set engine to run-up RPM
Normalize view
Manual mode
Verify:
uniform rise of about 50°F in all EGTs in
single magneto operation.
uniform rise of EGTs with application of the
mixture control.
Be alert for:
unusually low voltage (see AFMS)
cold OIL and normal oil pressure
abnormally high CHT
large drop in EGT on one cylinder in single
magneto operation
—may be fouled spark
plug.