N501AT

The airframe bearing tail number N501AT is a 1977-built Cessna Citation I/SP (Model 501), serial 501-0017, constructed by Cessna (Textron Aviation). The aircraft is owned by EAST TENNESSEE AVIATION SERVICES LLC, an LLC based in Harrison, TN, US, and is U.S.-registered. Its known registry and market record list a mid-six-figure valuation, with a reported value of $500,000, reflecting its age and configuration; no other ownership transfers or notable registry actions are published in the provided data. The airframe retains a classic small-cabin executive layout and continues to be listed with avionics and ADS‑B capabilities typical of updated examples.

This specific Citation I/SP is fitted in an executive seven-passenger layout with a forward barrel seat, a four-place club arrangement and additional single seats, plus a reported belted lavatory in the aft cabin, accommodating up to 8 occupants including crew. Avionics fit varies among examples; this airframe is noted as typically equipped with a Collins Pro Line suite, while listings have reported Garmin communications/navigation equipment and a GTX transponder such as the Garmin GTX345R, and ADS‑B IN/OUT capabilities are mentioned in sales and listing information. Typical missions for this airframe focus on short- to mid-range executive transport and owner-operator flights from its Harrison, Tennessee base, leveraging a cruise of 352 kts and a service ceiling to 41,000 ft; maintenance considerations reflect the JT15D-1 turbofan lineage and the support environment for late-1970s Citation airframes.

The Cessna Citation I/SP (Model 501) occupies the light corporate jet niche as an early Citation family member, offering modest speed and short-field capability compared with later Citation variants. Competing models in the era and resale market include other light jets powered by small turbofan engines; buyer demand tends toward owner-operators and cost-conscious charter operators seeking economical short-haul capability. Resale and maintenance considerations for this airframe are influenced by age, avionics modernization (Collins Pro Line and Garmin retrofits), JT15D-1 engine support, and the aircraft’s reported valuation of $500,000, factors that buyers weigh against inspection findings and logbook history.