Jack & Heintz aircraft power inverter, Part No. AN-3516, originally manufactured for Royal Canadian Air Force service. This heavy-duty inverter converts 27.5V DC aircraft power to 115V AC, 400-cycle output, typical of mid-20th-century military aviation electrical systems.

Data plates confirm 27.5 volts DC input at 50 amps, with 115V AC, 400 cycles, 500 VA output. The unit is fitted with an integral transfer relay, voltage adjustment control, and robust vibration-isolated housing consistent with bomber and transport aircraft installations. The inverter carries an overhaul tag indicating overhaul by Aircraft Appliances & Equipment Ltd. on Feb 27, 1961, providing excellent documented service provenance. Jack & Heintz equipment saw widespread use across NATO and North American aircraft programs.

This unit is untested and not currently certified for flight use. Offered strictly for display, restoration reference, or historical collection. A substantial, visually striking Cold War–era aircraft electrical component with strong Canadian military provenance — ideal for aviation collectors, museums, or advanced restorers.