The RAPCO RAC17312-1 is a 28V, 150W aircraft beacon lamp (halogen incandescent bulb) used in high-intensity anti-collision beacon assemblies on general aviation and transport aircraft.

It is part of RAPCO’s aviation lamp line and is commonly used as a direct replacement for Cessna C17312-1 and similar beacon systems. The bulb is designed to operate in rotating or strobe-style beacon housings where high brightness and thermal durability are required for visibility in all flight and ground conditions.

The lamp operates on 28-volt aircraft electrical systems and draws relatively high power (150 watts), producing intense light output for anti-collision signaling. Due to its halogen construction, it generates significant heat and is typically mounted in ventilated beacon assemblies designed for continuous duty operation.

This part is widely used in legacy GA aircraft beacon systems and is often replaced during routine maintenance due to filament wear from thermal cycling and vibration.

Key features include:

RAPCO part number: RAC17312-1
Aircraft beacon lamp (anti-collision light)
Voltage: 28V DC
Power: 150W halogen/incandescent
Approx. weight: ~23 g
Cross-references: Cessna C17312-1, Grimes, Whelen equivalents
High-intensity output for aviation visibility requirements
Designed for beacon/strobe lighting assemblies
Resistant to vibration and aircraft operating conditions
Typical use in GA and commercial beacon systems
Consumable component with periodic replacement due to filament wear