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Figure 06−04−4 shows that for a gross level-off height of 3,475 feet and the associated
conditions above, the actual obstacle clearance reference climb gradient is 8.6%. It can
therefore be concluded that the airplane will clear the obstacle.
The gross level-off height (geometric height) of 3,475 feet derived from Figure 06−04−6 is
used to determine the level flight acceleration pressure altitude using Figure 06−04−7, which
for an ISA – 14 day is 3,650 feet + 2,000 feet = 5,650 feet.
The obstacle clearance reference climb gradient derived from Figure 06−04−6 is used to
determine the net acceleration distance using Figure 06−04−8, which Example B shows to
be 3,250 meters (10,663 feet).
PERFORMANCE
Obstacle Clearance
06−04−17
REV 66, Feb 01/07
DOT Approved
CL−604 Airplane Flight Manual
PSP 604−1
4. GRADIENT LOSS IN A STEADY TURN
The gradient loss in a steady turn is tabulated below for a 15° bank angle.
For bank angles less than 15°, the gradient loss may be considered proportional to bank angle.
FLAPS GRADIENT LOSS (%)
0° 0.30
20° 0.38
PERFORMANCE
Obstacle Clearance
06−04−18
REV 66, Feb 01/07
DOT Approved
CL−604 Airplane Flight Manual
PSP 604−1
1. INTRODUCTION
The enroute performance section contains the charts used to determine the final take-off climb
gradient and the single-engine enroute climb gradient of the airplane at flaps 0°.
PERFORMANCE
Enroute Performance
06−05−1
REV 66, Feb 01/07
DOT Approved
CL−604 Airplane Flight Manual
PSP 604−1
2. FINAL SEGMENT AND ENROUTE CLIMB SPEED
The final segment climb speed (VFTO) and enroute climb speed with flaps retracted, one engine
inoperative and the other engine operating at maximum continuous thrust (MCT), is provided by
Figure 06−05−1, for varying conditions of pressure altitude and airplane gross weight.
Example:
Associated Conditions:
Gross weight = 18,000 kg (39,683 lb)
Pressure altitude = 10,000 ft
The example on Figure 06−05−1 shows that for the above associated conditions, the final
segment and enroute climb speed is 172 KIAS.
PERFORMANCE
Enroute Performance
06−05−2
REV 66, Feb 01/07
DOT Approved
CL−604 Airplane Flight Manual
PSP 604−1
2. FINAL SEGMENT AND ENROUTE CLIMB SPEED (CONT'D)
DFM0605_001 enr_speed.uni
PERFORMANCE
Enroute Performance
06−05−3
REV 66, Feb 01/07
Final Segment and Enroute Climb Speed − Flaps 0°
Figure 06−05−1
DOT Approved
CL−604 Airplane Flight Manual
PSP 604−1
3. FINAL SEGMENT AND ENROUTE CLIMB GRADIENT
A. Final Segment and Enroute Climb Gradient, Flaps 0° – Anti-Icing Off
The final segment and enroute climb gradient with one engine inoperative and the other
engine operating at maximum continuous thrust (MCT), is provided by Figure 06−05−2, with
10th stage bleed open/one (1) pack on and anti-icing off.
NOTE
If ice accumulation is suspected on unprotected surfaces, subtract
0.9 percent from the gradient derived from Figure 06−05−2.
Example:
Associated Conditions:
Temperature = 27°C
Pressure altitude = 5,000 ft
Gross weight = 15,000 kg (33,069 lb)
The example on Figure 06−05−2 shows that for the above associated conditions, the
following climb gradients are obtained:
• Gross final segment and
gross enroute climb gradients = 9.6%
• Net final segment climb gradient = 8.8%
• Net enroute climb gradient = 8.5%
PERFORMANCE
Enroute Performance
06−05−4
REV 66, Feb 01/07
DOT Approved
CL−604 Airplane Flight Manual
PSP 604−1
3. FINAL SEGMENT AND ENROUTE CLIMB GRADIENT (CONT'D)
DFM0605_002 enr_acu_405.uni
PERFORMANCE
Enroute Performance
06−05−5
REV 66, Feb 01/07
Final Segment and Enroute Climb Gradient, Flaps 0° − Anti-Icing Off
Figure 06−05−2
DOT Approved
CL−604 Airplane Flight Manual
PSP 604−1
3. FINAL SEGMENT AND ENROUTE CLIMB GRADIENT (CONT'D)
B. Final Segment and Enroute Climb Gradient, Flaps 0° – Anti-Icing On
The final segment and enroute climb gradient with one engine inoperative and the other
engine operating at maximum continuous thrust (MCT), is provided by Figure 06−05−3, with
10th stage bleed closed and anti-icing on.
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庞巴迪挑战者604飞机飞行手册CL604 Airplane Flight Manual 2(49)
