IRImplementing rule
CS ADR-DSN.D.240Taxiways general
Unless otherwise indicated, the requirements in Chapter D - Taxiways are applicable to all types of taxiways.
(a)The design of a taxiway should be such that, when the cockpit of the aeroplane for which the taxiway is intended, remains over the taxiway centre line markings, the clearance distance between the outer main wheel of the aeroplane and the edge of the taxiway should be not less than that given by the following tabulation:
| Clearance | Outer Main Gear Wheel Span (OMGWS) | |||
|---|---|---|---|---|
| Up to but not including 4.5 m | 4.5 m up to but not including 6 m | 6 m up to but not including 9 m | 9 m up to but not including 15 m | |
| 1.50 m | 2.25 m | 3 ma,b or 4 mc | 4 m | |
| a on straight portions. b on curved portions if the taxiway is intended to be used by aeroplanes with a wheel base of less than 18 m. c on curved portions if the taxiway is intended to be used by aeroplanes with a wheel base equal to or greater than 18 m. | ||||
| Note: Wheel base means the distance from the nose gear to the geometric centre of the main gear. | ||||
[Issue: ADR-DSN/4]
IR · CS ADR-DSN.D.240 — Regulation (EU) No 139/2014 · ED Decision 2017/021/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026