APU Horn Assembly

APU Horn Assembly

APU Horn Assembly is the specific Whelen catalog item under manufacturer part number 01-0770666-00. The exact model, variant, kit, mounting, electrical, approval, or compatibility qualifiers stated in the product name apply to this listing and distinguish it from related family variants.

Exact product identification

• Manufacturer: Whelen
• Product: APU Horn Assembly
• Part number / SKU: 01-0770666-00
• Model: 7066600

Product-specific function and configuration

This crew-call horn provides the audible crew-call alert function identified by the exact Whelen manufacturer reference. Manufacturer reference 01-0770666-00 identifies this exact catalog variant.

• Product type: crew-call horn
• Exact named configuration: APU Horn Assembly
• Supply scope: Assembly

Manufacturer product information

Auxiliary power unit, fire warning horn designed for Boeing. It produces 108db (+10db, -3db) at a frequency of 25-20,000 Hz.

Official manufacturer reference: APU Horn Assembly for Boeing Aircraft | Whelen Aerospace Technologies.

Ordering note: Request this item using reference 01-0770666-00 so Fly Supply can verify the exact configuration, current availability, supporting documents, and application fit before supply.