ETOPS
Hello everyone....I have a few questions on etops....
Can someone please tell me...specific to the A330...what system failures (hydraulics,electrical etc) require a etops diversion? Thank you. Also,how many gens are required for etops? |
FCOM-PRO-SPO-EXTENDED RANGE OPS
The technical criteria governing a re-routing or diversion decision can be classified into four categories, as follows: ‐ Loss of MNPS capability, before entering the MNPS area (as applicable). ‐ Weather minima at diversion airport(s) going below the company/crew en-route minima, before reaching the ETOPS Entry Point, or diversion airport(s) becoming unsuitable for any reason. ‐ Failure cases requiring a diversion to the nearest airport (cases leading to a LAND ASAP message on the ECAM and/or in the QRH). ‐ Failure cases resulting in increased fuel consumption, exceeding the available fuel reserves. Comments and recommendations ‐ Electrical generation Diversion is required in case of: • Only one generator (either one IDG, APU GEN or EMER GEN) remaining available following a multiple failure,or • Only one main generator (either one IDG or APU GEN) remaining available, and low level, low pressure or overheat on the green hydraulic circuit. ‐ Fuel system Some failure cases may lead to fuel gravity feeding which implies flight at lower altitude or to some fuel being unusable. The flight crew’s evaluation of the actual situation and the fuel remaining may lead to the decision that a diversion is required. To dispatch an ETOPS flight, you need three sources and EMER GEN must be operative anyway. Check MEL. |
Much appreciated! Thanking you so much!
Also anything particular to the hydraulic system failure? If one system fails....does it require an etops diversion?? |
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