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Rockwell International 690C · 1981 · Missoula, MT
N840TW is a 1981 Rockwell International 690C (serial 11689), registered to Neptune Aviation Services Inc (corporation) in Missoula, MT. Its FAA registration is recorded as v and expires February 2032; the airworthiness certificate dates from September 1981 (45 years ago). It carries 2 Airesearch TPE331-5&6SER engines rated at 776 hp each (1,552 hp total), the engine on 47% of registered Rockwell International 690Cs. Its Mode-S transponder broadcasts the ICAO 24-bit address AB8197. It is one of 21 Rockwell International 690C aircraft on the FAA registry. Neptune Aviation Services Inc holds 17 aircraft on the registry.
Source: FAA aircraft registry (public record). Community reviews and photos below.
9 of the 19 registered Rockwell International 690C carry this engine (47%), across 5 engine variants on the type.
Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.
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Commonly available reference sources for the Rockwell International 690C. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.
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