Mastering the Sierra Pattern: The Ultimate Guide for A320 Pilots
- Push the button (TO/GA).
- Push the thrust levers to TOGA detent.
- Pull the HDG/NAV knob (to engage NAV mode).
- Let the computer fly the missed approach while the pilot focuses on gear, flaps, and communication.
The Pitch Attitude
Airbus pilots rely heavily on automation, but the Sierra Pattern forces a return to basics. It is a core part of the Mental Calculation Booklet used by flight crews to master:
Trap 3: Late Flap Extension
How to determine which meaning applies (actionable steps)
HDG (Heading) mode
If you push the "NAV" button on the FCU (Flight Control Unit) during a go-around, the A320 will attempt to fly the MCDU-stored missed approach, which is likely a runway centerline climb followed by a specific waypoint. The Sierra Pattern is a visual maneuver . You should remain in or TRK (Track) mode using the FCU heading knob.
- FCOM (Flight Crew Operating Manual) A320 – DSC-22_20 - Go-Around
- Airbus Safety First Magazine – "The Managed Go-Around"
- Skybrary – "Missed Approach Procedures for Automated Aircraft"