Tail record, Bombardier Challenger 600, United States register
Flown about as much as most Challenger 600s: inside the middle half of its type.
01
Flown less often than 64% of Challenger 600s, by flights a month.
Tracked flights
44
in the twelve months, about 4 a month
Busiest Challenger 600s
489th
of 763 tracked, by flights a month
Estimated hours
≈71
in the twelve months, from time in the air
Flights a month, every tracked Challenger 600
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N345XB stayed within or below the middle half of the fleet in every month. Its busiest month was December 2025, with 10 flights.
Its busiest month was December 2025, with 10 flights. It did not fly in October 2025. The record has 27 tracking gaps, so about one flight in 2 may be missing and every count is a minimum.
03
Each measure against all 763 tracked Challenger 600s. Every dot is one aircraft; the gold one is N345XB.
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. 36th percentile
4.8middle Challenger 600 6.1
Days flown a month34th percentile
3.6 dmiddle Challenger 600 4.5 d
Estimated hours a year29th percentile
≈94 hrmiddle Challenger 600 ≈132 hr
Harsher means harder on the aircraft than three quarters of Challenger 600s; typical is the middle half. Percentiles compare this aircraft with every tracked Challenger 600, over its record since 1 Jan 2025.
04
The fleet is shown, and whether N345XB sits inside its middle half. Its grades and values are in the full report.
Chapter 1
Hours per landing, middle Challenger 600: 1.8 : 1
Also graded: short hops. Leg length is shown as context.
N345XB sits inside the middle half. Its grade and exact place are in the full report.
Unlock this chapterChapter 2
Salt air, middle Challenger 600: 2%
Also graded: damp air, freeze–thaw, near the coast and moisture in the air.
N345XB sits inside the middle half. Its grade and exact place are in the full report.
Unlock this chapterChapter 3
Short runways, middle Challenger 600: 27%
Also graded: hot, high takeoffs; density altitude; dust and dry climate.
N345XB sits outside the middle half, on one side or the other. 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
N345XB, Bombardier Challenger 600
$395one aircraft
Weighing it against other Challenger 600s? Put it on a Spotlight board with up to four others. Included with Unlimited, $995 a month.
06
The Aircraft Ledger. “N345XB: how this Bombardier Challenger 600 is flown.” Data through 31 Jul 2026. theaircraftledger.com/aircraft/n345xb
About 71 estimated hours in the 12 months to 31 Jul 2026, across 44 tracked flights. Hours are estimated from time in the air, so the logbook has the exact figure.
N345XB made 44 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.
None of its 44 tracked flights in the 12 months to 31 Jul 2026 crossed a border.
It was last tracked in March 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 Challenger 600s, 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
Owners and operators can ask us not to publish an aircraft. Data policy and opt-out
Not a substitute for a pre-purchase inspection or records review. TailCheck shows how an aircraft has been used, not its condition.