Tail record, Embraer Praetor 500, United States register
A busy Praetor 500: flown more than three quarters of its type.
01
Busier than 91% of Praetor 500s, by flights a month.
Tracked flights
337
in the twelve months, about 28 a month
Busiest Praetor 500s
14th
of 142 tracked, by flights a month
Estimated hours
≈471
in the twelve months, from time in the air
Flights a month, every tracked Praetor 500
02
N278QS flew more than the middle half of the fleet in 7 of 12 months. Its busiest month was June 2026, with 56 flights.
Its busiest month was June 2026, with 56 flights. It did not fly in August 2025. The record has 128 tracking gaps, so about one flight in 3 may be missing and every count is a minimum.
03
Each measure against all 142 tracked Praetor 500s. Every dot is one aircraft; the gold one is N278QS.
Chapter 4
Harsher than its type
How hard has it been used?
Heavy use means more of its maintenance intervals have been used up. Worth checking where it sits in its inspection cycle before a pre-buy.
Flights a monthLead measure. 91st percentile
36.6middle Praetor 500 27.6
Days flown a month74th percentile
16.2 dmiddle Praetor 500 14.4 d
Estimated hours a year84th percentile
≈625 hrmiddle Praetor 500 ≈513 hr
Harsher means harder on the aircraft than three quarters of Praetor 500s; typical is the middle half. Percentiles compare this aircraft with every tracked Praetor 500, over its record since 1 Jan 2025.
04
The fleet is shown, and whether N278QS sits inside its middle half. Its grades and values are in the full report.
Chapter 1
Hours per landing, middle Praetor 500: 1.5 : 1
Also graded: short hops. Leg length is shown as context.
N278QS sits inside the middle half. Its grade and exact place are in the full report.
Unlock this chapterChapter 2
Salt air, middle Praetor 500: 8%
Also graded: damp air, freeze–thaw, near the coast and moisture in the air.
N278QS sits inside the middle half. Its grade and exact place are in the full report.
Unlock this chapterChapter 3
Short runways, middle Praetor 500: 11%
Also graded: hot, high takeoffs; density altitude; dust and dry climate.
N278QS 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
N278QS, Embraer Praetor 500
$395one aircraft
Weighing it against other Praetor 500s? Put it on a Spotlight board with up to four others. Included with Unlimited, $995 a month.
06
The Aircraft Ledger. “N278QS: how this Embraer Praetor 500 is flown.” Data through 31 Jul 2026. theaircraftledger.com/aircraft/n278qs
About 471 estimated hours in the 12 months to 31 Jul 2026, across 337 tracked flights. Hours are estimated from time in the air, so the logbook has the exact figure.
N278QS made 337 tracked flights in the 12 months to 31 Jul 2026, about 28 a month, and flew on about 16 days in each month it flew.
18 of its 337 tracked flights in the 12 months to 31 Jul 2026, 5%, 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 Praetor 500s, 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.