Side-by-side

Elevated Heliport TLOF / FATO Light (Signalight-made) vs PAPI / APAPI Precision Approach Path Indicator (ATG Airports, distributed by Vardhman Airport Solutions)

Spec comparison for two products on Aviation Souk. Both compete in Runway Lighting & Airfield Electrical.

Cost of ownershipElevated Heliport TLOF / FATO Light (Signalight-made)PAPI / APAPI Precision Approach Path Indicator (ATG Airports, distributed by Vardhman Airport Solutions)
Price tier
Lead time (weeks)?–??–?
Delivery
Install
GCC airports deployed00
Certifications00
Specs

Technical specifications.

SpecElevated Heliport TLOF / FATO Light (Signalight-made)PAPI / APAPI Precision Approach Path Indicator (ATG Airports, distributed by Vardhman Airport Solutions)
TLOF light colourGreen (omnidirectional)
FATO light colourWhite (omnidirectional)
TLOF power consumption10 W
FATO power consumption12 W
Primary power supply48 V DC (3-step dimmable) or 90–230 V AC (non-dimmable)
Operating temperature−50 to +50 °C
IP ratingIP67
LED rated lifetime>100,000 hours
StandardICAO Annex 14 Vol. II; IEC TS 61827
Configuration4-unit (PAPI) or 2-unit (APAPI)
Unit spacing9 m
Runway edge offset (nearest unit)15 m
Nominal glideslope3 °
Colour transition band≤3 minutes of arc
Beam width30° ICAO wide beam
Acquisition range (daytime, met vis 7.4 km)19 km
Series circuit compatibility6.6 A, 8.33 A, 12 A, 16 A, 20 A
Voltage transformer options240 V / 120 V, 50/60 Hz
ComplianceFAA AC 150/5345-28, FAA 880/881, ICAO Annex 14
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