Supplementary Procedures -Automatic Flight 737 Operations Manual
Prior to reaching FAF: AFDS roll mode ..............................................................Verify/select Verify appropriate roll mode annunciates.
VNAV switch (if required) ..........................................................Push
Select VNAV if in ALT HLD. Verify VNAV PTH annunciates.
Autopilot..................................................................... Verify engaged
[Autopilot should remain engaged until suitable visual reference is established.]
At MDA(H)/DA(H)/Missed approach point: If suitable visual reference is not established, execute missed approach. MCP altitude ....................................Set missed approach altitude After suitable visual reference is established: A/P disengage switch .............................................................Push Disengage the autopilot before descending below MDA(H)/DA(H). A/T disengage switch.............................................................Push Disengage the autothrottle before descending below MDA(H)/DA(H).
Supplementary Procedures -Automatic Flight 737 Operations Manual
Instrument Approach using Vertical Speed (V/S)
Note: Autopilot use is recommended until suitable visual reference is established.
Note: If required to remain at or above the MDA during the missed
approach, missed aprroach must be initiated at least 50 feet
above MDA.
Recommended roll modes:
.
RNAV, GPS, TACAN, LOC-BC, VOR or NDB approach: LNAV
or HDG SEL.
.
LOC, SDF or LDA approach: LOC or LNAV.
Note: Do not use the VOR/LOC AFDS mode when conducting VOR approaches if the VOR/DME station elevation is more than 5000 feet MSL, if there is no co-located DME transmitter available at the VOR station to be used or when the DME is invalid for any other reason.
Note: During VOR approaches, one pilot must have raw data from the VOR associated with the approach displayed in the HSI VOR/ILS mode no later than the final approach fix.
Ensure appropriate navaids (VOR, LOC or NDB) are tuned and
identified prior to commencing approach.
RNP appropriate for approach (if required) ......................... Verify/Enter [Allows appropriate alerting to occur if ANP exceeds RNP.]
Before descent to MDA(H):
MCP altitude ............................................................................. Set
Set the first intermediate altitude constraint or the MDA(H). When the current constraint is assured, the next constraint may be set prior to ALT HOLD is engaged to achieve continuous descent path.
If constraints or MDA(H) do not end in zero zero, for example, 1820, set MCP ALTITUDE window to the closest 100 foot increment above the constraint.
At descent point:
Desired V/S...............................................................................Set
Copyright . The Boeing Company. See title page for details.
SP.4.6 December 5, 2003
Supplementary Procedures -Automatic Flight 737 Operations Manual
Set desired V/S to descend to MDA(H). Use a V/S that results in little or no level flight segment at the MDA(H). Verify V/S mode annunciates. Approaching MDA(H): MCP altitude ....................................Set missed approach altitude
At MDA(H)/missed approach point: If suitable visual reference is not established, execute a missed approach.
After a suitable visual reference is established: A/P disengage switch........................................................Push Disengage the autopilot before descending below MDA(H).
A/T disengage switch........................................................Push Disengage the autothrottle before descending below MDA(H).
Circling Approach
Note: Autopilot use is recommended until intercepting the landing
profile.
MCP altitude selector ..........................................................................Set If the MDA(H) does not end in zero zero, for example, 1820, set MCP ALTITUDE window to the closest 100 foot increment above the MDA(H).
Accomplish an instrument approach, establish suitable visual reference and level off at MCP altitude. Verify ALT HLD mode annunciates. MCP altitude selector .................................Set missed approach altitude HDG SEL switch ..............................................................................Push Verify HDG SEL mode annunciates. Intercepting the landing profile: Autopilot disengage switch .........................................................Push
Supplementary Procedures -Automatic Flight 737 Operations Manual
Autothrottle disengage switch .................................................... Push 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300机组操作手册Flight Crew Operations Manual FCOM 1(56)
