N321SD

This article covers the specific Gulfstream airframe bearing tail number N321SD, a 2013-built Gulfstream GV-SP (G550) with manufacturer serial number 5420. The aircraft is registered in the United States and is owned by the corporate entity N321SD INC, based in Melbourne, Florida. Public data on notable registry actions or ownership transfers for this airframe are Not published. Condition and valuation highlights for this individual airframe are Not published.

The airframe operates as a fixed-wing multi-engine corporate jet configured to accommodate 20 seats, reflecting a high-density executive or charter-type layout for extended international missions. The avionics fit for this specific Gulfstream is the manufacturer’s Gulfstream PlaneView suite (Primus Epic / PlaneView), supporting advanced flight management, navigation, and systems monitoring. With a long-range capability of 6,750 nautical miles and a high-speed cruise around 459 knots, typical mission profiles for this airframe would encompass transcontinental or intercontinental point-to-point flights from its operator base in Melbourne, Florida. Maintenance considerations for this individual G550 include routine support for Rolls‑Royce BR700-series engines and avionics lifecycle management for the PlaneView suite, although specific maintenance history for this tail number is Not published.

The airframe is a unit of the Gulfstream GV-SP (G550) family, positioned in the large-cabin, long-range business jet segment with a service ceiling to 51,000 feet and intercontinental range to 6,750 nm. In market context, the G550 competes with other ultra-long-range business jets offering similar speed and cabin size, attracting buyers seeking extended-range, high-speed corporate transport. Resale and maintenance considerations for this airframe align with typical G550 ownership factors: ongoing BR700-series engine support and avionics upgrades to maintain operational relevance, while demand is driven by charter operators and corporate flight departments requiring transoceanic capability.