Side-by-side
ZA181 (IEC / PSA) Inset Runway Centreline / TDZ 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
ZA181 (IEC / PSA) Inset Runway Centreline / TDZ Light
by ATG Airports
Long-established inset runway centreline and TDZ light available in IEC and PSA seating configurations, compliant with FAA, ICAO, NATO, and EASA standards.

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 | ZA181 (IEC / PSA) Inset Runway Centreline / TDZ 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 | ZA181 (IEC / PSA) Inset Runway Centreline / TDZ Light | NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C) |
|---|---|---|
| Seating Variants | IEC and PSA | — |
| Operating Circuit | 6.6 A | — |
| Transformer Options | 1×100/150 W or 2×45/65 W isolating | — |
| CAT Operations | CAT I / II / III | — |
| FAA Compliance | L-850A, L-850B (AC150/5345-46D) | — |
| Standards | ICAO Annex 14 (figs 2.5–2.8), NATO STANAG 3316, CAA CAP168, BS3224 Pt 5, IEC 61827, EASA U10/U11 | — |
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