Side-by-side
Constant Current Regulator (CCR, FAA L-828/L-829 — Smart Power / Ferroresonant) 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
Constant Current Regulator (CCR, FAA L-828/L-829 — Smart Power / Ferroresonant)
by Flight Light Inc.
FAA L-828/L-829 constant current regulators in two proven technologies — ferroresonant and Smart Power — providing 1 kW to 70 kW of stable series-circuit output for all airfield lighting classes.
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 | Constant Current Regulator (CCR, FAA L-828/L-829 — Smart Power / Ferroresonant) | 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 | Constant Current Regulator (CCR, FAA L-828/L-829 — Smart Power / Ferroresonant) | PAPI / APAPI Precision Approach Path Indicator (ATG Airports, distributed by Vardhman Airport Solutions) |
|---|---|---|
| FAA Certification | ETL Certified per AC 150/5345-10 (Current Edition) | — |
| Standards | ICAO Annex 14, NAVAIR 51-50AAA-2, UFC 3-535-02 | — |
| Output Classes | Class A: 6.6 A; Class B: 20 A | — |
| Power Range | 1 kW to 70 kW | — |
| Brightness Steps | 3-step or 5-step | — |
| 5-Step Class A Currents | 2.8 / 3.4 / 4.1 / 5.2 / 6.6 A | — |
| 5-Step Class B Currents | 8.5 / 10.3 / 12.4 / 15.8 / 20 A | — |
| Ferroresonant Efficiency | >90% (power factor 0.99) | — |
| Input Voltage Options | 208 / 220 / 240 / 480 VAC (60 Hz); 220–400 VAC (50 Hz) | — |
| Operating Temperature | −40 °C to +55 °C | — |
| Cooling | Free convection (no forced air) | — |
| Communications (optional) | Dual Ethernet (ModTCP/Ethernet/IP), dual RS-485 | — |
| Manufacturer Certification | ISO 9001:2015, UL Listed | — |
| Origin | Made in USA (Buy American Act compliant) | — |
| 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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