Flight Level Orientation Scheme (FLOS)(Open with new window)
Flight Level Orientation Scheme (FLOS)(Open with new window)
Flight Level Orientation Scheme (FLOS)(Open with new window)
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<strong>Flight</strong> <strong>Level</strong> <strong>Orientation</strong> <strong>Scheme</strong><br />
(<strong>FLOS</strong>)<br />
• Single Alternate<br />
• Double Alternate<br />
• Modified Single Alternate (adopted by<br />
ICAO Asia Pacific Region RVSM Task<br />
Force)
<strong>FLOS</strong> - Single Alternate<br />
RVSM airspace<br />
FL 410<br />
FL 400<br />
FL 380<br />
FL 360<br />
FL 340<br />
FL 320<br />
FL 300<br />
FL 390<br />
FL 370<br />
FL 350<br />
FL 330<br />
FL 310<br />
FL 290
<strong>FLOS</strong> : Double Alternate<br />
FL400<br />
FL390<br />
FL360<br />
FL350<br />
FL320<br />
FL310<br />
R<br />
V<br />
S<br />
M<br />
FL410<br />
FL380<br />
FL370<br />
FL340<br />
FL330<br />
FL300<br />
FL290
Modified Single Alternate<br />
South China Sea Revised ATS Route System<br />
(Adopted by TF)<br />
Diagram<br />
-FIR -<br />
HONG KONG<br />
ODD<br />
<strong>Level</strong>s<br />
ODD<br />
<strong>Level</strong>s<br />
60 NM<br />
EVEN<br />
<strong>Level</strong>s<br />
-FIR <br />
MANILA<br />
EVEN<br />
<strong>Level</strong>s
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