![]() If this figure is less than the trip fuel for the planned flight level, the lower level is justified. Hence subtract (30kg x reduced trip time in mins) from the trip fuel at the proposed level. Step climb & wind/altitude trade (FPPM p3.2.16) See table below for figures (QRH PI.13.7).Īltitude penalty for engine bleed requirements If anti ice is required, the altitude penalties are Otherwise slowly accelerate to LRC at the level off altitude as weight You may accelerate to Long Range Cruise (LRC), this will cost approximatelyģ000ft. Increases TAT by approximately 1°/10kts IASĪltitude are for the terrain critical case if terrain is not critical ![]() ![]() If ECON info not available, use 250KIAS until 10,000ft then 280KIAS/M0.74 Level flight deceleration allow 10kts/nm & 1kt/sec (deceleration is faster at lower weights)ĭescending deceleration allow 5kts/nm & 0.5kt/sec
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