Date: 18 Jun 99 01:39:38 From: email@example.com (Ed Lukas) References: 1
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>Why do aircraft usualy start first engine 2 and then engine 1, on a >two-engined airplane. There are various reasons The ones that i can think of are 1/ Engine nearest the battery or the External Power receptacle usually gets started first because less electrical line loss on the shortest length of battery cable during engine cranking (100-300 amps) 2/ Engine on the command-pilot's side because in the case of prop aircraft - the pilot can ensure that no ground crew are near the propellers when they start.Opposite side engine may not be visible to pilot sitting on the opposite seat. 3/ Particular fuel loading or fuel cross-over procedure may require a particular engine to be started first. *** 4/ Passenger doors are usually on the left; the right engine (#2) starts first in case of a last minute passenger rushing to board the aircraft does not run into a rotating propller or the ground crew does not run into the prop during last minute baggage loading.