C I R R U S
Pitot Static System
Pitot Static Malfunction
Static Source Blocked
1. Pitot Heat................................................................................... ON
2. Alternate Static Source......................................................... OPEN
Pitot Tube Blocked
1. Pitot Heat................................................................................... ON
Pitot Heat Current Sensor Annunciation
PITOT HEAT FAIL Caution
1. Pitot Heat Circuit Breaker ................................................... CYCLE
2. Pitot Heat............................................................. CYCLE OFF, ON
If inadvertent icing encountered, perform Inadvertent Icing
Encounter Checklist and:
a. Airspeed ....................... EXPECT NO RELIABLE INDICATION
b. Exit icing conditions using attitude, altitude, and power
instruments.
Pitot Heat Required Annunciation
PITOT HEAT REQD Caution
1. Pitot Heat................................................................................... ON
A - 8
ABNORMAL
P I L O T ' S C H E C K L I S T
PITOT HEAT FAIL
PITOT HEAT REQD
M O D E L S R 2 0
P/N 11935-006
March 2017