Powerplant Instrument Markings - Textron Cessna Grand Caravan Ex 208B Pilot's Operating Handbook And Faa Approved Airplane Flight Manual

SECTION 2
OPERATING LIMITATIONS

POWERPLANT INSTRUMENT MARKINGS

Powerplant instrument markings and their color code significance are
shown in Figure 2-3. Operation with indications in the red range is
prohibited. Avoid operating with indicators in the yellow range.
1. Incorporates
maximum allowable torque as a function of OAT and
pressure altitude. Takeoff torque is displayed up to 16,000 feet
MSL, while maximum rated torque is displayed at 16,000 feet
MSL and above.
2. Incorporates blue torque bug that moves to compensate for
OAT, pressure altitude and propeller RPM variation.
3. Incorporates red line that moves to compensate for OAT.
100% Ng is 37,468 RPM.
4. Start mode values also valid for OFF mode (red triangle at
1090°C not shown in OFF mode).
5. Start mode is defined as the period between starter
engagement and the point where idle Ng RPM reaches 55%.
6. Run mode is defined as anytime idle Ng RPM is above 55%.
2-10
NOTE
dynamic redline
Figure 2-4
U.S.
CESSNA
MODEL 208B (867 SHP)
GARMIN G1000
that moves to
FAA APPROVED
208BPHCUS-01
display