Managed approach is only available if it is in the FMGS database and NAV ACCY check is positive. A positive NAV ACCY check can be confirmed even if LOW accuracy is indicated on the PROG page, see FCOM 3.03.19 (SOPs - Non Precision Approach). Otherwise an approach in selected mode (TRK/FPA) is necessary.
A fully managed approach is recommended, with the objective of being fully stabilized, at VAPP and in landing configuration at the final approach fix. By following FCOM 3.03.19 (SOPs - Non Precision Approach) techniques, a safe approach to MDA can be flown.
A non-precision approach will typically take longer to set up than an ILS approach, so allow sufficient time for preparation, briefing, and positioning the aircraft to start the approach. The FMGS must then be programmed correctly for the type of approach to be flown.
Brief accordingly, with specific reference to task sharing procedures and the importance of crosschecking, especially the intended guidance modes (TRK/FPA, HDG/V/S or fully managed). Ensure the correct navigational aids are tuned to facilitate the approach, including course settings if applicable.
MANAGED APPROACH
Follow the guidelines outlined below for a managed non precision approach :
Prior to approach :
.
Insertion of correct approach in MCDU
.
Set VAPP as a constraint at FAF
.
Check all constraints in F-PLN match approach plates
.
Navigation accuracy check
.
Selection and identification of radio aids for approach
.
Approach briefing and cross check of minima
Intermediate approach :
.
Check deceleration occurs at decel pseudo waypoint or activate approach phase 10 nm prior to FAF
.
Select FPD
.
Ensure raw data is correctly displayed
.
Verify accuracy is HIGH on PROG page or NAV ACCY positive
.
Press APP pb to arm FINAL and APP NAV
.
Complete approach checks when cleared to APP
A319/A320/A321 FLIGHT CREW TRAINING MANUAL NORMAL OPERATION BRIEFINGS NON PRECISION APPROACHES 1.02.19 Page 3
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MANAGED APPROACH (END)
Final approach :
.
Ensure landing configuration achieved prior to FAF
.
Monitor raw data and FMA, calling mode changes
.
Set go around altitude
At MDA :
.
If visual, disconnect autopilot and continue visually or perform a go around if insufficient visual references
Note : At the earlier of MDA -50 ft or MAP the autopilot will disconnect if in FINAL APP mode. Airbus does not recommend levelling off at MDA.
The knowledge of symbols and guidance information must be sound, and is detailed in FCOM 1.22.30 (Auto Flight - Flight Guidance). The FMGS guidance principles are contained in FCOM 4.02.30 (FMGS Principles - Flight Guidance Principles).
Raw data must be used as a cross check throughout the approach.
SELECTED APPROACH :
Follow the guidelines outlined below for a selected non precision approach :
Prior to approach :
.
Keep A/THR engaged
.
Select TRK/FPA as the autopilot guidance mode
.
Use managed speed
Intermediate approach :
.
Crosscheck FPD approach track with approach plates
.
Ensure raw data is correctly displayed
.
Select FPA at a proper distance prior th the published descent point (allowing time for the aircraft to react).
.
Complete approach checks
Final approach :
.
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