Aircraft engine position number

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Aircraft engine position numbering
Throttle Boeing 727.jpg
Thrust levers in a Boeing 727 with the engine number on each lever

On multi-engined aircraft, aircraft engine positions are numbered from left to right from the view of the pilot looking forward.[1]

Wing and rear-mounted engines[edit]

Twin-engined aircraft[edit]

Three-engined aircraft[edit]

  • #1 - port - on the left
  • #2 - centre - on the centerline
  • #3 - starboard - on the right

Four-engined aircraft[edit]

  • #1 - port outer - on the left furthest from the fuselage
  • #2 - port inner - on the left nearest to the fuselage
  • #3 - starboard inner - on the right nearest to the fuselage
  • #4 - starboard outer - on the right furthest from the fuselage

Six-engined aircraft[edit]

  • #1 - port outer - on the left furthest from the fuselage
  • #2 - port middle - on the left between #1 and #3
  • #3 - port inner - on the left nearest to the fuselage
  • #4 - starboard inner - on the right nearest to the fuselage
  • #5 - starboard middle - on the right between #4 and #6
  • #6 - starboard outer - on the right furthest from the fuselage

Other configurations[edit]

Centerline[edit]

The English Electric Lightning has two jet engines on the centerline one above the other.[2]

  • #1 - below and to the front of #2
  • #2 - above and to the rear of #1

References[edit]

  1. ^ National Business Aircraft Association (1952). Skyways for business. Henry Publications. p. 52. 
  2. ^ Power Plants