Side-by-side
Precision Approach Path Indicator (PAPI / APAPI) (Signalight-made) vs Trailer-Mounted Mobile ATC Tower & Air Traffic Management System (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
Trailer-Mounted Mobile ATC Tower & Air Traffic Management System (Vardhman Airport Solutions)
by Vardhman Airport Solutions
A fully self-contained, trailer-mounted control tower providing deployable 360° all-weather ATC capability for emergency, temporary, or remote aerodrome operations — available with rapid hydraulic elevation and an integrated communication, weather, and power suite.
| Cost of ownership | Precision Approach Path Indicator (PAPI / APAPI) (Signalight-made) | Trailer-Mounted Mobile ATC Tower & Air Traffic Management System (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) | Trailer-Mounted Mobile ATC Tower & Air Traffic Management System (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 | — |
| Deployment | — | Trailer-mounted, road-transportable |
| Cab elevation mechanism | — | Hydraulic lift with safety locking |
| Visibility | — | 360°, glare-free cabin |
| Power supply | — | Silent generator with ATS and UPS |
| Communications | — | VHF transceiver (ground-to-air) |
| Meteorological equipment | — | Automatic weather observation station |
| Visual aids | — | Collapsible illuminated Landing T, aerodrome beacon |
| Climate control | — | Air-conditioned cabin |
| Interior materials | — | Fire-retardant |
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