N1904S

This airframe, registered as N1904S, is a 1999-built Learjet 45 with serial number 45-053. The jet is manufactured by Learjet Inc and is owned by 1904 LLC, an Elyria, OH–based limited liability company. The U.S. registry entry for the airframe lists a 12-seat configuration, reflecting the registered certification rather than a specific operator interior; no public record of additional notable registry actions is provided. As a late-1990s Learjet 45 example, the airframe’s configuration and systems align with typical OEM specifications for that production period.

The cabin on this specific airframe is described as a flat-floor executive cabin; the registry records 12 seats while typical operator layouts for the model are commonly 8–9 club seating, indicating the aircraft could be certificated for a higher seat count than many operator interiors. Avionics are noted as the typical OEM fit of the Honeywell Primus 1000 suite, consistent with the factory-equipped avionics baseline for this batch of Learjet 45s. Typical mission profiles for this configuration would make use of the jet’s transcontinental medium-range capability (approximately 2,200 nm) and high-speed cruise (around 464 kts), operating from the owner’s home base in Elyria, Ohio for business or charter flights. Maintenance considerations for this airframe will reflect its manufacture year, common-operator cabin fits, and the TFE731-60 engine support and overhaul cycles.

The Learjet 45 family occupies a mid-size light business jet niche defined by relatively high cruise speeds and high altitude capability, demonstrated here by a 51,000 ft ceiling and 464 kts cruise. With twin TFE731-60 powerplants producing about 5,000 lbf each, the type offers runway performance and range suitable for regional to transcontinental hops up to the listed 2,200 nm. Buyer and charter demand for an aircraft like this typically centers on operators seeking speed and altitude performance with an executive flat-floor cabin, while maintenance and resale considerations hinge on airframe age (1999 build), engine time, and avionics fit such as the Honeywell Primus 1000. These factors influence operating economics and marketability relative to other light business jets.