N7223U

This entry covers airframe N7223U, a Boeing-built short to medium‑range jet first produced in 1961 with manufacturer's serial number 18076. The airframe was delivered into the fleet of United Air Lines and is documented as owned by United Air Lines (airline; United States). Registration is listed as US and the aircraft is a fixed-wing multi-engine category type, model Boeing 720-022. Notable registry and configuration notes include the United-era configuration documented around 143 seats in production lists. Valuation and detailed condition records are not published for this specific airframe.

The airframe was outfitted in a typical 720 mainline cabin layout, with production documentation indicating an approximate passenger capacity of 143 seats during the United-era operating configuration. As built, the powerplant arrangement of 4× Pratt & Whitney JT3C engines with roughly 12,000 lbf thrust apiece supported the aircraft’s published cruise of 540 kts and its mission profile as a short-to-medium range mainline transport with a nominal range of 3,680 nm and a service ceiling near 42,000 ft. Registered in the US and operated by United Air Lines, its operational base and route deployment aligned with typical mainline utilization for aircraft of this category and seating density. Maintenance considerations for this specific airframe would be governed by the original engine type and airframe vintage associated with a 1961 manufacture date.

This airframe is a member of the Boeing 720 family, here designated Boeing 720-022, representing the manufacturer Boeing’s entry in the fixed-wing multi-engine short-to-medium range market. The combination of a roughly 143-seat mainline cabin, a cruise speed of 540 kts, and a 3,680 nm range positioned the type for dense trunk routes within the operator’s network. Market and resale considerations for this specific serial (18076) and vintage (1961) airframe are influenced by its original engine fit, seating configuration, and United-era documentation.