Tail record, Gulfstream GV (G550), United States register
Flown about as much as most GVs: inside the middle half of its type.
01
Flown less often than 67% of GVs, by flights a month.
Tracked flights
48
in the twelve months, about 4 a month
Busiest GVs
428th
of 638 tracked, by flights a month
Estimated hours
≈159
in the twelve months, from time in the air
Flights a month, every tracked GV
02
N999LX stayed within or below the middle half of the fleet in every month. Its busiest month was September 2025, with 7 flights.
Its busiest month was September 2025, with 7 flights. It did not fly in August 2025. The record has 17 tracking gaps, so about one flight in 3 may be missing and every count is a minimum.
03
Each measure against all 638 tracked GVs. Every dot is one aircraft; the gold one is N999LX.
Chapter 4
Typical for its type
How hard has it been used?
Used at about the rate of most of the fleet, so its maintenance intervals have been used up at a normal pace.
Flights a monthLead measure. 33rd percentile
4.0middle GV 5.0
Days flown a month38th percentile
3.4 dmiddle GV 3.9 d
Estimated hours a year51st percentile
≈150 hrmiddle GV ≈149 hr
Harsher means harder on the aircraft than three quarters of GVs; typical is the middle half. Percentiles compare this aircraft with every tracked GV, over its record since 1 Jan 2025.
04
The fleet is shown, and whether N999LX sits inside its middle half. Its grades and values are in the full report.
Chapter 1
Hours per landing, middle GV: 2.4 : 1
Also graded: short hops. Leg length is shown as context.
N999LX sits outside the middle half, on one side or the other. Its grade and exact place are in the full report.
Unlock this chapterChapter 2
Salt air, middle GV: 3%
Also graded: damp air, freeze–thaw, near the coast and moisture in the air.
N999LX sits inside the middle half. Its grade and exact place are in the full report.
Unlock this chapterChapter 3
Short runways, middle GV: 32%
Also graded: hot, high takeoffs; density altitude; dust and dry climate.
N999LX sits inside the middle half. Its grade and exact place are in the full report.
Unlock this chapter05
All four chapters, every flight since January 2025 leg by leg, and the one thing to ask the seller.
Page one
Every chapter has this table, with a note on any assumption behind it.
days
Ask for
N999LX, Gulfstream GV
$395one aircraft
Weighing it against other GVs? Put it on a Spotlight board with up to four others. Included with Unlimited, $995 a month.
06
The Aircraft Ledger. “N999LX: how this Gulfstream GV is flown.” Data through 31 Jul 2026. theaircraftledger.com/aircraft/n999lx
About 159 estimated hours in the 12 months to 31 Jul 2026, across 48 tracked flights. Hours are estimated from time in the air, so the logbook has the exact figure.
N999LX made 48 tracked flights in the 12 months to 31 Jul 2026, about 4 a month, and flew on about 4 days in each month it flew.
12 of its 48 tracked flights in the 12 months to 31 Jul 2026, 26%, crossed a border.
It was last tracked in July 2026. We publish an aircraft’s flights seven days after they happen, and show them by month only.
We leave out airports, bases and exact dates on purpose. We show how an aircraft has been used, not where it goes.
All four graded chapters (Fatigue, Corrosion, Engines and brakes, and Utilization), each against the tracked GVs, plus the operational summary and operating rhythm, as a PDF, CSV and share link. It costs $395, or $995 a month for unlimited reports and Spotlight.
Method: flight data, every count a minimum. Estimated hours from time in the air. About our data
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Not a substitute for a pre-purchase inspection or records review. TailCheck shows how an aircraft has been used, not its condition.