Side-by-side
OBS X universal obstruction light 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
OBS X universal obstruction light
by Aerolighting SA
3–10 W universal low-intensity obstruction light combining ICAO Type A and Type B modes, NVG-IR output, and GPS flash synchronisation in a single IP68 unit.

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 | OBS X universal obstruction light | 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 | OBS X universal obstruction light | PAPI / APAPI Precision Approach Path Indicator (ATG Airports, distributed by Vardhman Airport Solutions) |
|---|---|---|
| Diameter | 159 mm | — |
| Power consumption | 3–10 W | — |
| Type A intensity | 10 cd | — |
| Type B intensity | 32 cd | — |
| Color | Red + Infrared (IR) | — |
| IP rating | IP68/69 | — |
| Max operating temperature | 80 °C | — |
| LED rated life (SafeBeam IR) | >80,000 hours | — |
| Flash synchronisation | Optional GPS sync | — |
| Standards | ICAO Annex 14 Vol I, FAA, EASA, CASA, DGAC-STAC | — |
| Warranty | 5–10 years | — |
| 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 |
Decide
Ask Aviation Souk to pick for your tender.
The AI weighs both products against your specific brief — airport, certifications, lead time, budget — and tells you which fits.
Ask the AI →