Extra EA 400 - Engine Instrument Markings

Pilot’s Operating Handbook Section 2
EXTRA 500 Limitations
2.6 Engine Instrument Markings
Engine instrument markings and their colour significance are
shown in Figure 2-4 below.
Red
Line
Yellow Arc Green Arc Yellow Arc
Red
Line
Instrument
Min.
Limit
Caution
Range
Normal
Operating
Caution or
Takeoff
Max.
Limit
TOT
°C (°F)
- -
0 - 752
(32 - 1385)
752 - 810
(1385 -
1490)
810 (1490) 
843 (1550) ∇
1
927 (1700) ◊
2
Torque % - - 0 - 92 92 - 111
111 
Prop. “N2”
RPM
- 1218 - 1900 1900 - 2030 -
2030 
2233 ∇
1
Gas P. “N1”
%
- - 60 - 105 -
105 
106 ∇
1
Oil Temp.
°C (°F)
- -
0 - 82
(32 - 180)
82 - 107
(180 - 225)
107 (225)
Oil Pressure
PSI
35 35 - 90 90 - 130 - 130
1
) Red Arrowhead: Maximum Transient Limit
2
) Red Diamond: Maximum Temperature Starting
Figure 2-4
26. January 2011 2-11