Engine Instrument Markings & Annunciations; Powerplant - Cirrus SR20 Pilot Operating Handbook

Section 2
Limitations
Engine Instrument Markings & Annunciations
The following describes the engine instrument markings. Associated
Warning and Caution Annunciations are shown in capitalized text.

PowerPlant

Instrument
(Range & Units)
Cylinder Head
Temperature
(100°F – 500°F)
Engine Speed
(0 – 3000 RPM)
Exhaust Gas
Temperature
(500°F – 1750°F)
Manifold Pressure
(10 – 35 Inch Hg)
Oil Pressure
(0 – 100 PSI)
Oil Temperature
(75°F – 250°F)
Percent Power
(0 – 100%)
*Engine Speed Warning when RPM between 2710 and 2730 for more than 10
seconds OR when RPM greater than 2730 for more than 5 seconds.
**Oil Pressure Caution when oil pressure is between 10 and 29 psi and RPM is
greater than 1000. Oil Pressure Warning when oil pressure is below 10 psi, OR oil
pressure is above 100 psi.
2-8
Red Yellow
Arc/Bar Arc/Bar
Lower Minimum
Warning Caution
Range Range
–– ––
–– ––
–– ––
–– ––
0 – 10** 10 – 30**
OIL OIL
PRESS PRESS
–– ––
–– ––
Green Arc/ Yellow Arc/
Bar Bar
Normal Maximum
Range Caution
Range
240 – 420 420 – 460
CHT
500 – 2700
1000–1600
15 – 29.5
30 – 60 60 – 100
100 – 240
0 – 100
Cirrus Design
SR20
Red
Arc/Bar
Upper
Warning
Range
> 460
CHT
–– > 2700*
RPM
–– ––
–– ––
> 100**
OIL
PRESS
> 240
OIL
TEMP
–– ––
P/N 21399-004
Reissue A