N138SA

This entry covers airframe N138SA, a 1973-built Cessna 500 Citation I with manufacturer serial number 500-0138. The aircraft is listed as owned by the corporation MAMIA MOTOR SPORTS INC of Waller, TX, US and is registered in the US. Registry and broker information indicates a completed retrofit history in avionics and an executive interior; valuation is reported at $375,000, reflecting its vintage production year and retrofit-dependent condition. Notable registry actions and maintenance histories are limited to broker/airframe-specific listings and owner-reported updates.

The airframe is described in broker listings as an executive layout with up to 7–8 executive seats, an aft bench and a small galley consistent with typical Citation I interiors for corporate missions. Avionics reported across listings and retrofits for this specific airframe include combinations of Garmin GNS-430 / GNS-530W, Garmin 650/750 units, Collins radios and ADS‑B In/Out, though exact fit varies by airframe and retrofit package. Typical mission profiles for N138SA would include short- to mid-range corporate trips within the contiguous United States, leveraging a cruise of 357 kts and a range of 1,328 nm from its base of operations in Waller, TX. Maintenance considerations for this specific airframe emphasize age-related inspections, engine program status for the JT15D-1 powerplants, and avionics certification when equipment has been retrofitted.

The Cessna 500 Citation I occupies the early light-citation niche as a twin-engine corporate jet with modest operating costs and straightforward systems relative to later Citations. Competitors at the time and in the pre-owned market include other first-generation light business jets; buyer demand typically favors examples with updated avionics and well-documented maintenance, factors that directly affect resale value. For N138SA, the reported $375,000 valuation reflects its 1973 manufacture, the presence or absence of recent engine and avionics overhauls, and market appetite for retrofitted, executive-configured Citation Is. Resale and maintenance planning for this airframe should prioritize engines, structural inspections, and avionics conformity to current airworthiness requirements.