Tail record, Bombardier Learjet 45, United States register
Flown about as much as most Learjet 45s: inside the middle half of its type.
01
Flown less often than 65% of Learjet 45s, by flights a month.
Tracked flights
64
in the twelve months, about 5 a month
Busiest Learjet 45s
312th
of 480 tracked, by flights a month
Estimated hours
≈115
in the twelve months, from time in the air
Flights a month, every tracked Learjet 45
02
N1ST flew more than the middle half of the fleet in 1 of 12 months. Its busiest month was October 2025, with 13 flights.
Its busiest month was October 2025, with 13 flights, and its quietest January 2026, with 2. The record has 26 tracking gaps, so about one flight in 2 may be missing and every count is a minimum.
03
Each measure against all 480 tracked Learjet 45s. Every dot is one aircraft; the gold one is N1ST.
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. 35th percentile
4.5middle Learjet 45 6.3
Days flown a month38th percentile
3.7 dmiddle Learjet 45 4.4 d
Estimated hours a year50th percentile
≈100 hrmiddle Learjet 45 ≈100 hr
Harsher means harder on the aircraft than three quarters of Learjet 45s; typical is the middle half. Percentiles compare this aircraft with every tracked Learjet 45, over its record since 1 Jan 2025.
04
The fleet is shown, and whether N1ST sits inside its middle half. Its grades and values are in the full report.
Chapter 1
Hours per landing, middle Learjet 45: 1.4 : 1
Also graded: short hops. Leg length is shown as context.
N1ST 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 Learjet 45: 1%
Also graded: damp air, freeze–thaw, near the coast and moisture in the air.
N1ST sits outside the middle half, on one side or the other. Its grade and exact place are in the full report.
Unlock this chapterChapter 3
Short runways, middle Learjet 45: 8%
Also graded: hot, high takeoffs; density altitude; dust and dry climate.
N1ST 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
N1ST, Bombardier Learjet 45
$395one aircraft
Weighing it against other Learjet 45s? Put it on a Spotlight board with up to four others. Included with Unlimited, $995 a month.
06
The Aircraft Ledger. “N1ST: how this Bombardier Learjet 45 is flown.” Data through 31 Jul 2026. theaircraftledger.com/aircraft/n1st
About 115 estimated hours in the 12 months to 31 Jul 2026, across 64 tracked flights. Hours are estimated from time in the air, so the logbook has the exact figure.
N1ST made 64 tracked flights in the 12 months to 31 Jul 2026, about 5 a month, and flew on about 4 days in each month it flew.
6 of its 64 tracked flights in the 12 months to 31 Jul 2026, 10%, 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 Learjet 45s, 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.