N455QS
Gulfstream G450 (GIV-X) (GIV‑X (G450))
Gulfstream Aerospace Corporation
9 Hours
Duration of Flight
4350 NM
Range
500 MPH
Max Speed

Gallery




Basic Information
Airframe
Data valid as of 2021-03-11| Date | From | To | Flight Time | Status |
|---|---|---|---|---|
| 2025-09-30 | N/A | N/A | N/A | ✓ Landed |
| 2025-09-28 | N/A | N/A | N/A | ✓ Landed |
| 2025-09-28 | N/A | N/A | N/A | ✓ Landed |
| 2025-09-26 | N/A | N/A | N/A | ✓ Landed |
| 2025-09-25 | N/A | N/A | N/A | ✓ Landed |
AI Summary
Gulfstream G450 (GIV-X) (GIV‑X (G450))
Overview
Registered in the US to NJI SALES INC (Oklahoma City, OK). Certificate issued 2021-03-11; airworthiness certificate dated 2007-02-15. Mode S transponder A5861E.
Specifications
- Engines: 2× Rolls‑Royce Tay Mk 611-8C (13850 lbf each)
- Range: 4350 nm
- Cruise: 459 kts
- Seats: 19
- Ceiling: 45000 ft
Operations & Cabin
Typical 12–16 place executive layout (forward and aft service zones, forward and aft lavatories, configurable divans/club seating) Large‑cabin executive fit with multiple cabin zones, galley and forward/aft lavatories; typical NetJets executive cabin furnishings and entertainment/satcom fit options. Avionics: Gulfstream PlaneView
Model & Market Context
The airframe bearing tail number N455QS is a 2007-built Gulfstream G450 (GIV‑X), serial 4074, manufactured by Gulfstream Aerospace Corporation. The aircraft is owned by NJI SALES INC, a corporation based in Oklahoma City, OK, US, and is registered in the US. Notable registry actions: Not published. Current market valuation for this specific airframe is listed at $25,000,000.
This Gulfstream G450 (GIV‑X) airframe is typically outfitted in a standard executive interior described as a Typical 12–16 place executive layout featuring forward and aft service zones, forward and aft lavatories, and configurable divans and club seating that can accommodate up to 19 seats for flexible passenger arrangements. Avionics are installed as Gulfstream PlaneView, supporting advanced flight management, navigation, and situational awareness for long-range missions. Operational use for this airframe would be consistent with long‑range executive transport, transcontinental and transoceanic point‑to‑point flights within the aircraft’s 4,350 nm capability, operated from its owner’s base in Oklahoma City, OK, US. Maintenance considerations align with twin‑engine Rolls‑Royce Tay support programs and Gulfstream heavy‑airframe inspection cycles.
The Gulfstream G450 (GIV‑X) occupies the large‑cabin, long‑range business jet niche, offering a maximum cruise around 459 kts and a service ceiling of 45,000 ft, competitive with contemporaries such as the Bombardier Challenger 600 series and late‑model Dassault Falcon variants. Demand among corporate buyers and charter operators remains driven by range, cabin flexibility, and Gulfstream’s avionics suite; resale value for a 2007 airframe like N455QS is reflected in its stated $25,000,000 valuation. Maintenance and resale considerations include lifecycle costs for the Rolls‑Royce Tay Mk 611-8C engines and the provenance of the executive cabin fit for prospective buyers or operators.
Aircraft Comparison
| Parameter | N455QS | 445QS | N100A |
|---|---|---|---|
| Serial Number (MSN) | 4074 | 4037 | 6550 |
| Year Manufactured | 2007 | 2006 | 2023 |
| Duration of Flight | 9 Hours | 9 Hours | 15 Hours |
| Range | 4350 NM | 4350 NM | 7500 NM |
| Max Speed | 500 MPH | 505 MPH | 516 MPH |
| Aircraft Class | Over 20,000lbs | Over 20,000lbs | Over 20,000lbs |
| Service Ceiling | 45000 ft | 45000 ft | 51000 ft |
| Max Passengers | 19 | 22 | 22 |
| Cabin Comfort | No items found. | No items found. | No items found. |