Side-by-side
Threshold / Wingbar Elevated 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.
Runway Lighting & Airfield Electrical
Threshold / Wingbar Elevated Light (Signalight-made)
by Signalight (Electromax SRL)
VISTA-series elevated LED threshold and wing-bar lights for non-precision runway ends, with three-step dimming and salt-mist-tested IP67 enclosures across a −55 °C to +55 °C range.
Runway Lighting & Airfield Electrical
PAPI / APAPI Precision Approach Path Indicator (ATG Airports, distributed by Vardhman Airport Solutions)
by Vardhman Airport Solutions
Four-unit visual glideslope indicator giving pilots a precise colour-coded approach path signal from final approach to threshold, manufactured by ATG Airports and distributed across South Asia by Vardhman Airport Solutions.
| Cost of ownership | Threshold / Wingbar Elevated 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 deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Threshold / Wingbar Elevated Light (Signalight-made) | PAPI / APAPI Precision Approach Path Indicator (ATG Airports, distributed by Vardhman Airport Solutions) |
|---|---|---|
| Low/medium threshold power | 6.3 W | — |
| High-intensity threshold power | 12.5 W | — |
| Power supply — LMI | 90–230 V AC, 50/60 Hz | — |
| Power supply — HI | 1.4 A DC, dimmable | — |
| Dimming steps | 100% / 30% / 10% | — |
| Operating temperature | −55 to +55 °C | — |
| IP rating | IP67 | — |
| Salt mist tested | Yes (Ka) | — |
| Housing | Powder-coated aluminium RAL 1004, glass disperser | — |
| Standards | ICAO Annex 14, IEC TS 61827 | — |
| Configuration | — | 4-unit (PAPI) or 2-unit (APAPI) |
| Unit spacing | — | 9 m |
| Runway edge offset (nearest unit) | — | 15 m |
| Nominal glideslope | — | 3 ° |
| Colour transition band | — | ≤3 minutes of arc |
| Beam width | — | 30° ICAO wide beam |
| Acquisition range (daytime, met vis 7.4 km) | — | 19 km |
| Series circuit compatibility | — | 6.6 A, 8.33 A, 12 A, 16 A, 20 A |
| Voltage transformer options | — | 240 V / 120 V, 50/60 Hz |
| Compliance | — | FAA AC 150/5345-28, FAA 880/881, ICAO Annex 14 |
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