Side-by-side
FX850B Inset Touchdown Zone Light vs NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C)
Spec comparison for two products on Aviation Souk. Both compete in Runway Lighting & Airfield Electrical.
Runway Lighting & Airfield Electrical
FX850B Inset Touchdown Zone Light
by ATG Airports
High-intensity inset LED touchdown zone light delivering the white unidirectional reference array pilots rely on for visual flare and landing cues in CAT II/III conditions.
Runway Lighting & Airfield Electrical
NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C)
by Vosla Gmbh Narva
P28s prefocus incandescent airfield lamp for constant-current regulated series circuits.
| Cost of ownership | FX850B Inset Touchdown Zone Light | NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C) |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | FX850B Inset Touchdown Zone Light | NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C) |
|---|---|---|
| FAA Designation | L-850B(L) | — |
| Light Output Colour | White (unidirectional) | — |
| Operating Current | 2.8–6.6 A | — |
| Protrusion Above Grade | 4.0 mm | — |
| Style Compliance | FAA Style 3 / ICAO Style 4 (≤6.3 mm) | — |
| LED Service Life | >60,000 hours | — |
| IP Rating | IP67 | — |
| Operating Temperature | -55 to +55 °C | — |
| CAT Operations | CAT II/III | — |
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