Side-by-side

OCEM LED PAPI (Precision Approach Path Indicator) 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.

FAA L-880/881 and ICAO third-party certified LED PAPI, field-proven at hundreds of airports with the sharpest red/white transition line in its class.

P28s prefocus incandescent airfield lamp for constant-current regulated series circuits.

Cost of ownership	OCEM LED PAPI (Precision Approach Path Indicator)	NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C)
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GCC airports deployed	0	0
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Specs

Technical specifications.

Spec	OCEM LED PAPI (Precision Approach Path Indicator)	NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C)
Configuration — 4-box ICAO/FAA L-880	316 VA (CCR) / 328 VA (AC) / 267 W (DC)	—
Configuration — 2-box FAA L-881	158 VA (CCR) / 161 VA (AC) / 134 W (DC)	—
Configuration — APAPI	77 VA (CCR) / 85 VA (AC) / 70 W (DC)	—
AC input range	90–264 VAC, 50/60 Hz	—
DC input range	21–28 VDC	—
CCR input	6.6A, 3 and 5 step	—
Housing width × depth	324 mm × 726 mm	—
FAA certification	L-880/881 (L); AC 150/5345-28H Style A Class I (Intertek)	—
ICAO certification	Third-party photometric and chromaticity tested	—
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Decide

The AI weighs both products against your specific brief — airport, certifications, lead time, budget — and tells you which fits.