Sierra Pattern A320 [repack] Jun 2026

Without the Sierra Pattern, the pilot would have to manually track a VOR radial or fly a heading, which is prone to error in low visibility.

: Maintaining altitude and speed during high-bank maneuvers. Performance Standards sierra pattern a320

The Sierra Pattern A320 approach procedure offers several benefits, including: Without the Sierra Pattern, the pilot would have

It is a maneuver designed by test pilots in a simulator at Toulouse, validated by engineers who calculated the exact phugoid frequency of a swept-wing transport category aircraft. It works—on paper. In the real world, it buys time. And in a dual-engine flameout, time is the only currency that matters. Without the Sierra Pattern

prior to the target altitude to ensure a smooth capture without "overshooting" the altitude. Climb Segment