FLIGHT.
RATE OF CLIMB INDICATOR.
The rate of climb indicator measures the rate of change in static pressure when the airplane is climbing or
descending. By means of a pointer and dial this instrument will indicate the rate of ascent or descent of the
airplane in feet per minute. But due to the lag of the instrument, the aircraft will be climbing or descending
before the instrument starts to read and the instrument will continue to read after the aircraft has assumed level
flight. In rough air this should not be considered a malfunction.
CHART 3401. TROUBLESHOOTING (RATE OF CLIMB INDICATOR)
Trouble Cause Remedy
Pointer does not set on zero. Aging of diaphragm Reset pointer to zero by
means of setting screw. Tap
instrument while resetting.
Pointer fails to respond. Obstruction in static line. Disconnect all instruments
connected to the static line.
Clear line.
Pitot head frozen over.
Water in static line. Check individual instru-
ments for obstruction in
lines.
Obstruction in pitot head. Clean lines and head.
34-10-01
Page 34-04
Revised: November 6, 1979
2G12
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
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