Side-by-side
Precision Approach Path Indicator (PAPI / APAPI) (Signalight-made) vs LED Airfield Ground Lighting — Runway, Taxiway & Approach (ATG Airports, distributed by Vardhman Airport Solutions)
Spec comparison for two products on Aviation Souk. Both compete in Runway Lighting & Airfield Electrical.
Runway Lighting & Airfield Electrical
Precision Approach Path Indicator (PAPI / APAPI) (Signalight-made)
by Signalight (Electromax SRL)
ICAO Annex 14-compliant PAPI and APAPI visual glideslope indicators with integrated electronic clinometer, factory-calibrated for precise half-degree angular precision.
Runway Lighting & Airfield Electrical
LED Airfield Ground Lighting — Runway, Taxiway & Approach (ATG Airports, distributed by Vardhman Airport Solutions)
by Vardhman Airport Solutions
A comprehensive range of LED airfield ground lighting covering elevated and inset runway edge, centreline, TDZ, approach, threshold, and taxiway fixtures — manufactured by ATG Airports to FAA and ICAO CAT I/II/III standards, supplied and integrated across Indian and regional airports by Vardhman Airport Solutions.
| Cost of ownership | Precision Approach Path Indicator (PAPI / APAPI) (Signalight-made) | LED Airfield Ground Lighting — Runway, Taxiway & Approach (ATG Airports, distributed by Vardhman Airport Solutions) |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Precision Approach Path Indicator (PAPI / APAPI) (Signalight-made) | LED Airfield Ground Lighting — Runway, Taxiway & Approach (ATG Airports, distributed by Vardhman Airport Solutions) |
|---|---|---|
| Configuration | PAPI (4-unit) and APAPI (2-unit) | — |
| Power consumption | 50 W max per unit | — |
| Power supply — PAPI | 2.8–6.6 A CCR input | — |
| Power supply — APAPI | 110/230 V AC mains | — |
| Angular fault detection | 0.5 ° deviation threshold | — |
| Housing | Powder-coated aluminium RAL 1004, hardened glass diffuser | — |
| LED source | OSRAM red + white with custom optics | — |
| Standard | ICAO Annex 14 Vol. 1, 7th Edition 2016, Fig. A2-23 + §5.3.5.30 | — |
| LED module life | — | >60,000 hours |
| Operating temperature range | — | −55 to +55 °C |
| Ingress protection | — | IP67 |
| Series circuit current range | — | 2.8–6.6 A |
| Runway edge (elevated) intensity class | — | FAA L-861, high-intensity bi-directional |
| Runway centreline (inset) intensity class | — | CAT I/II/III, uni- or bi-directional |
| Compliance | — | FAA AC 150/5345-46, ICAO Annex 14, CAT I/II/III |
| CCR compatibility | — | IGBT, ferroresonant, thyristor types |
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