Flight Operations and Technique

4 important questions on Flight Operations and Technique

IFR Flight Levels Below 24500 and above 245000ft

Below:
0-89        ODD
90-179    ODD +500
180-269 EVEN
270-359 EVEN +500

Above  none rvsm     RVSM
0-179 250                    290
            270                    310
            290                   330
            330                   350
            370                    370
            410                    390
                                       410
                                       430

                   non-rvsm    RVSM
180-359 260                 300
                 280                 320
                 310                  340
                 350                 360
                 390                 380
                                         400 
                                         420

Why does a light a/c descend quicker than heavy?

Heavy a/c has to have a slower speed in order to stay within speed limits. It has to start its descent earlier because it will have a shallower profile. Light a/c can start descent later and steeper.

Calculate distance from threshold from G/S

3000ft/ (G/S angle x100)
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ICAO xponder codes

0000 : mode C malfunction, more than 200ft difference between a/c and ATC
0033: Parachuting operations

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