About this item: This Pacific Electro Dynamics Audible Tone Generator, marked Tone-1A2 / GAAC 1159SCAV354-5 / 463-2, is an aircraft avionics aural warning/tone module intended for cockpit or cabin audio alert systems. The 1159SCAV354-5 part number cross-references as a Gulfstream Aerospace generator entry and appears in MRO capability lists as an audible tone generator, making it relevant for avionics repair, aircraft spares inventory, bench testing, restoration, and hard-to-source replacement applications. Unit is sold by exact part number and markings; buyer should verify aircraft applicability, connector configuration, modification status, and certification/tag requirements before installation.
