October 1, 20187 yr Hi! Till today I only had one Hyd Aux system (HYD 4) in the 747-400. If I use a fixed aircraft config for the 747-8i (and this is obviously also used for the 747-400) this produces a second Hyd Aux System (HYD 1) in the 747-400. Are there any variants of the 747-400 with 2 Hyd Aux systems? Thanks Oliver
October 1, 20187 yr 15 minutes ago, Calvin212 said: Hi! Till today I only had one Hyd Aux system (HYD 4) in the 747-400. If I use a fixed aircraft config for the 747-8i (and this is obviously also used for the 747-400) this produces a second Hyd Aux System (HYD 1) in the 747-400. Are there any variants of the 747-400 with 2 Hyd Aux systems? Thanks Oliver Yes its a common modification. If you don't want it, disable it as an option in the CDU. Brian Thibodeaux | B747-400/8, C-130 Flight Engineer, CFI, Type Rated: BE190, DC-9 (MD-80), B747-400 My Liveries
October 1, 20187 yr Author argh, I didn't see the option cycling through the options for the first time...
October 1, 20187 yr Author 11 minutes ago, thibodba57 said: Yes its a common modification. If you don't want it, disable it as an option in the CDU. thanks
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