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APPENDIX A
INTERMEDIATE FLIGHT PREPARATION WORKBOOK
At pressure altitudes above 10,000 feet, MCT is based on the %N1 limit line annotated by a
specific bleed air configuration (ITT) limit or limiting fan %RPM (104%), depending on
temperature.
Maximum Cruise Thrust
Maximum Cruise Thrust (MCRT) is the highest thrust setting recommended for use in cruise.
MCRT takes into account such parameters as engine Time Between Overhaul (TBO), fuel
economy, and TAS. Frequently, the data reveals minor reductions in thrust will result in only
slightly slower TASs, but will result in significant fuel savings and substantial increases in
engine life. Consequently, many charts in this appendix stop at MCRT, since this is the highest
thrust recommended for cruise. Unless the mission requires a higher thrust setting, do not exceed
MCRT in cruise.
Go-Around %N1
The maximum allowable thrust for use during a go-around (either 1 engine or 2 engines) is
determined by the fan speed %N1 setting presented on the Go-Around N1 graph. It varies with
pressure altitude, ram air temperature, and engine bleed air usage.
Depending on the operating conditions, the %N1 for TRT will be defined by one of the following
engine limitations:
1.
Limiting fan %RPM: 104%.
Limiting ITT: 700C.
2.
3.
Limiting gross thrust: 2900 lbs.
At pressure altitudes above 8000 feet, go-around %N1 is based on the %N1 limit line annotated
by a specific bleed air configuration (ITT) limit or limiting fan %RPM (104%), depending on
temperature.
A101. TAKEOFF DEFINITIONS
Conditions Affecting Takeoff and Climbout Performance
1.
Aircraft weight.
2.
Engine thrust.
3.
Air density.
4.
Wind direction and velocity.
A-2 GLOSSARY


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