S
ECTION
3A: A
BNORMAL
P
ROCEDURES
C
IRRUS
D
ESIGN
P
ITOT
S
TATIC
S
YSTEM
SR20
3A-18
P/N 11934-005
PITOT HEAT FAIL Caution
PITOT HEAT REQD Caution
PITOT HEAT FAIL
Pitot Heat Current Sensor
1. Pitot Heat Circuit Breaker ................................................................ CYCLE
2. Pitot Heat............................................................................CYCLE OFF, ON
◆
If inadvertent icing encountered, perform
Checklist and:
a. Airspeed .............................. EXPECT NO RELIABLE INDICATION
b. Exit icing conditions using attitude, altitude, and power instru-
ments.
Procedure Complete
• N
OTE
•
Pitot heat failure. Displayed when Pitot heat switch is ON and
Pitot heat current is not detected.
PITOT HEAT REQD
Pitot Heat Required
1. Pitot Heat.................................................................................................... ON
Procedure Complete
• N
OTE
•
Displayed 15 seconds after system detects OAT is less than 41 °F
(5 °C) and Pitot Heat Switch is OFF.
Reissue A