Navigate / EASA

GM4 NCC.OP.110 Aerodrome operating minima — general

ED Decision 2022/012/R

APPROACH LIGHTING SYSTEMS — ICAO AND FAA SPECIFICATIONS

The following table provides a comparison of the ICAO and FAA specifications.

Table 17

Approach lighting systems — ICAO and FAA specifications

Class of lighting facility

Length, configuration and intensity of approach lights

FALS

ICAO: CAT I lighting system (HIALS ≥ 720 m) distance coded centre line, barrette centre line

FAA: ALSF1, ALSF2, SSALR, MALSR, high- or medium-intensity and/or flashing lights, 720 m or more

IALS

ICAO: simple approach lighting system (HIALS 420–719 m) single source, barrette

FAA: MALSF, MALS, SALS/SALSF, SSALF, SSALS, high- or medium-intensity and/or flashing lights, 420–719 m

BALS

Any other approach lighting system (e.g. HIALS, MALS or ALS 210–419 m)

FAA: ODALS, high- or medium-intensity or flashing lights 210–419 m

NALS

Any other approach lighting system (e.g. HIALS, MALS or ALS <210 m) or no approach lights