Verify the throttle window of the FMA displays EPR / T.O. and the throttles drive forward to the takeoff EPR displayed on the CLMP mode. (Removing electrical power from the autothrottle servo.) The autothrottles will remain in CLMP until EPR / LIM is selected on the flight guidance panel or GA, MCT, CL, or CR are selected to the TRI.
Caution: The CLMP mode engages when the central air data computer senses 60 knots. If the takeoff is made in a strong headwind, or a combination of a rolling takeoff and strong headwind the CLMP mode may engage sooner than expected and the throttles must be advanced manually to the takeoff or takeoff flex EPR.
Note: If, while in autothrottle system EPR mode, flap limit airspeed is exceeded, autothrottle system will disengage.
Note: When autothrottle system us engaged in an EPR limit mode, and ENG SYNC switch is in OFF, digital flight guidance computer ensures both engine EPR’s are same.
(Continued)
Continental
Rev. 12/01/00 #29 Flight Manual
At rotation speed, rotate the aircraft to satisfy the command bar presentation. Crosscheck the pitch attitude being commanded with the primary airspeed indicator. After gear retraction and at or above 1000 ft. AGL, engage the autopilot by moving the AP switch to ON. Verify that the AP 1 or AP 2 light on the FMA illuminates.
Note: While the autopilot is engaged, if the aircraft is maneuvered about
the pitch axis at an indicated airspeed below minimum maneuvering
speed, the pitch window of the FMA’s will alternately flash SPD LOW
and VERT SPD until corrective action is taken by the pilot.
Note: If the autopilot is engaged during a turn with TAK-OFF displayed in
the roll window of the FMA, the autopilot will engage and roll the
aircraft smoothly to wings level. The autopilot will maintain the
aircraft on the heading existing at the moment that bank angle
reduces to 3°. To avoid this wings level mode, select HDG SEL prior
to autopilot engagement.
At 1000 Ft. AGL:
Climb Power.........................................................................................SET
Press the CL button on the TRI and verify that the CLMP mode disengages and EPR / CL is displayed in the throttle window of both FMA’s. The throttles should reduce to the EPR setting displayed on the TRI.
Pitch Profile Readout...........................................................................SET
Rotate pitch wheel to decrease existing vertical speed by one-half.
Note: This action will disengage flight director TAK OFF mode, and pitch FMA’s will display VERT SPD. If roll FMA’s were in TAK OFF prior to mode disengagement, they will now display HDG HLD.
When reaching required airspeed, retract flaps and slats and accelerate to desired climb speed.
When in clean configuration and at climb speed:
IAS HOLD Button ............................................................................PUSH
Push IAS HOLD button and observe pitch FMA’s display IAS.
(Continued)
Note: If autothrottle system is engaged in SPD SEL mode when IAS HOLD or MACH HOLD mode is engaged, CLMP will be displayed in autothrottle FMA’s and will flash for approximately 5 seconds. CLMP mode will remain engaged until a pitch mode other than IAS HOLD or MACH HOLD is selected, until glideslope beam is captured, or any autothrottle system mode is selected.
Note: (930 Aircraft) Pitch wheel has 2 functions. In IAS or MACH mode, it functions as a speed or Mach trim wheel. If any other pitch mode (except TURB) is selected, it functions as a vertical speed selector.
If MACH HOLD mode is desired (passing FL270),
MACH HOLD Button ......................................................................PUSH
Note: If engaged in IAS HOLD or MACH HOLD modes, there are four methods or disengagement:
1.
Capturing an altitude, using altitude preselect.
2.
Pushing ALT / HOLD button.
3.
Pushing SPD SEL button.
4.
Pushing MACH SEL button.
5.
Pushing VERT SPD button (930 Aircraft).
Continental
Rev. 12/01/00 #29 Flight Manual
AUTOMATIC ALTITUDE CAPTURE
AP Switch........................................................................................AP ON
ALT Readout........................................................................................SET
Rotate ALT SET knob until desired altitude is displayed in ALT readout. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：MD-80 Flight Manual 麦道80飞行手册 2(141)
