Draft ICAO Circular on NLA.pdf - Airports Council International

A-4
Code Aircraft U-turn width Wheelbase Track (to outside tire edge)
F 747F-Adv 171' (52.1) 90.6 (27.6) 41.3 (12.6)
E 777-300 185 (56.5) 100.4 (30.6) 42.3 (12.9)
E A340-600 186 (56.7) 109 (33.2) 41.3 (12.6)
F A380-800 216 (65.7) 97.5 (29.7) 47 (14.3)
Assumes symmetric thrust and no braking
Note that U-turn width does not have much relationship with code letter.
Engine data A380-800
<strong>ICAO</strong> Version 4.1 — 15 March 2004
Table 5: Engine data
Code F Code E
B747-
Advanced* C5 An 124 A340-600
B747-
400ER
Number of engines 4 4 4 4 4 4 2
B777-
300ER
Bypass ratio 8.7 ~9 8.0 ~5.7 7.5 ~5 ~7
Engine Thrust
70 klb
77 klb** 65-67 klb 41 klb 52 klb 56 klb 56-63 klb 115 klb
Engine span
(CL to CL) 51.4 m 41.7 m 37.7 m 37.9 m 38.5 m 41.7 m 19.2 m
Engine vertical
clearance at MTOW
Reverse system
1.1 m (inner)
1.9 m (outer)
0.7 m
1.4 m
2.5 m
1.7 m
3.5 m
3.1 m
0.5 m
1.6 m
0.7 m
1.4 m 0.9 m
Only inboard
thrust reversers Yes Yes Yes Yes Yes Yes
~ symbol indicates “approximate”
Jet blast velocity contours are available in Section 6 of the respective “Airplane Characteristics for Airport
planning” document in the manufacturers’ Web site (Appendix B).
* B747-Advanced is a proposed aircraft (not yet launched) and, therefore, the specifications
are subject to change.
** Freighter version values provided where appropriate.