N660FX is a 2016 Gulfstream G650ER, registered to Flexjet LLC of Cleveland, OH. It works in Flexjet's floating charter fleet: on the Part 135 certificate (J7SA), and positioned wherever the next trip starts rather than kept at one airport. In the twelve months to 7 September 2026 it flew 435 legs on 200 days, about 258,720 nautical miles. That is 186% more than the median Gulfstream G650ER in U.S. charter service (64 airframes tracked), which puts it among the harder-working examples of the type. It touched 136 airports but keeps returning to the same city pairs: 63% of legs repeat a route already flown in the year.
Photo: a Gulfstream G650ER, representative of the type, not this airframe.
Flexjet and the certificate
N660FX is on Flexjet's FAA Part 135 operations specifications (D085), designator J7SA, Rochester (ROC) certificate office.
Book N660FX or a comparable Gulfstream G650ER
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Request a Quote →How N660FX is used
Average leg 595 nm, one-to-two-hour stages. February was the busiest month at 50 legs; October the quietest at 17. 29% of departures fall on weekends, a mix of business and leisure use. Longest leg tracked: Gabreski Airport (KFOK) to Monterey Regional Airport (KMRY), 2,289 nm on 13 August 2026. Last seen arriving at San Francisco International Airport (KSFO) on 7 September 2026.
Most-used airports
- Westchester County Airport (KHPN) 36
- Teterboro Airport (KTEB) 34
- San Francisco International Airport (KSFO) 23
- Van Nuys Airport (KVNY) 20
- Miami International Airport (KMIA) 12
Repeated routes
- Cuyahoga County Airport (KCGF) → Teterboro Airport (KTEB) 2×
- Westchester County Airport (KHPN) → Van Nuys Airport (KVNY) 3×
- San Francisco International Airport (KSFO) → Van Nuys Airport (KVNY) 4×
No airport accounts for more than 7% of departures.
About 19% of legs cross a border, most often to Rome Ciampino Airport (LIRA), Ben Gurion International Airport (LLBG), Nice Côte d'Azur Airport (LFMN).
Our own aggregate of public ADS-B archives for Mode S A8B4CC, 10 September 2025 to 7 September 2026; counts are floors, not exact totals.
Registry record
| Registration | N660FX |
|---|---|
| Serial number | 6249 |
| Type | Gulfstream G650ER (FAA code GVI (G650ER)) |
| Year of manufacture | 2016 |
| Registrant | Flexjet LLC (Co-owned), Cleveland, OH |
| Certificate issued | 31 December 2023 |
| Airworthiness date | 21 December 2016 |
| Registration expires | 31 December 2030 |
| Mode S code | A8B4CC |
NTSB record
Nothing under N660FX in the NTSB aviation database (1 May 2026 download).
Gulfstream G650ER type data
| Passengers (typical) | 19 |
|---|---|
| Range | 7,500 nm |
| Cruise | 516 kt high-speed; long-range 488 kts |
| Ceiling | 51,000 ft |
| Engines | 2x Rolls-Royce BR725 A1-12 |
| Cabin | 46.8 ft × 8.5 ft × 6.4 ft |
| Baggage | 195 cu ft |
| Takeoff distance | 6,299 ft |
Sources
FAA Releasable Aircraft Database, 14 May 2026 release (live FAA record); FAA Part 135 operations specifications (D085); public ADS-B archives (adsb.lol) reduced by The Jet Finder; NTSB aviation database. Type figures are manufacturer-published for the Gulfstream G650ER family, not this airframe. Corrections.
