N821TN · Cessna Citation CJ3 flight activity
119 tracked flights in the 12 months to 31 Jul 2026, on about 8 days a month and an estimated 70 hours in the air.
How N821TN has been flying
Tracked by ADS-B, so a minimum.
From time in the air. The logbook has the exact total.
In the months it flew.
Last tracked in July 2026. Published seven days later, by month only.
Month by month
119 flights over 11 active monthsFlights per month
Its busiest month was May 2026, with 29 flights.
Its busiest month was May 2026, with 29 flights. It did not fly in August 2025. The record has 66 tracking gaps, so about one flight in 2 may be missing and every count is a minimum.
Fatigue
What each landing and pressurization cycle costs the structure: landings per hour and short hops.
Utilization isn’t graded for N821TN: too few of its flights were tracked to count its use fairly, in the full report too. So its free chapter here is Fatigue, which doesn’t depend on catching every flight.
More landings for its hours. Harsher on fatigue.
Short legs put more pressurization cycles on the structure for the same time in the air. Worth checking its cycle-based inspection limits before a pre-buy.
Against 1.4 : 1 for the middle Citation CJ3 (1st). More landings for its hours.
The spread of its trip lengths, against the type.
The data behind it
Against all 649 tracked Citation CJ3s, over its record since 1 Jan 2025.How it travels
One corridor carries a large share of its flights.
39 of 119 flights, both directions.
Most of its flying on three routes.
0 flights crossed a border.
One route carries a large share of N821TN’s flying: 33% of flights are on its most-flown pair of airports. Its top three pairs make up 57%, so about four flights in ten go somewhere else. None of its tracked flights crossed a border.
Corrosion, engines and brakes, and utilization
02 Corrosion
Not graded: not enough dataWhere does it spend its nights? Where a jet sleeps shapes how fast it corrodes. Salt and damp overnight are what an inspector looks at first.
Also graded: damp air, freeze–thaw, near the coast and moisture in the air. See this chapter in the sample report →
03 Engines and brakes
Outside the middle of the fleetHow hard were its airfields? Short, hot and high runways ask for more thrust on every takeoff and harder braking on every landing. That wear doesn’t show in the hours.
N821TN is out here, on one side or the other
Also graded: hot, high takeoffs; density altitude; dust and dry climate. See this chapter in the sample report →
04 Utilization
Not graded: too few of its flights were trackedHow hard has it been used? Heavy use spends maintenance intervals faster; long spells parked bring their own wear. Both are worth knowing before a pre-buy.
Also graded: days flown a month and estimated hours a year. See this chapter in the sample report →
What the full report adds for N821TN
- 01 All four chapters graded, with the evidence behind every grade
- 02 The operational summary: the whole aircraft in one read
- 03 Its longest stay away from base, and what the record does and doesn’t show about it
- 04 Its home base pattern and operating rhythm: busiest days and months
- 05 PDF, CSV and a share link
$395 for N821TN, one payment
A fraction of the cost of a pre-buy inspection, before you book one.
Other Citation CJ3s
Tails flown at a similar rate, with their tracked flights in the 12 months to 31 Jul 2026. Each has its own free page.
About N821TN
How many hours does N821TN fly a year?
About 70 estimated hours in the 12 months to 31 Jul 2026, across 119 tracked flights. Hours are estimated from time in the air, so the logbook has the exact figure.
How often is N821TN flown?
N821TN made 119 tracked flights in the 12 months to 31 Jul 2026, about 10 a month, and flew on about 8 days in each month it flew.
Does N821TN fly internationally?
None of its 119 tracked flights in the 12 months to 31 Jul 2026 crossed a border.
When did N821TN last fly?
It was last tracked in July 2026. We publish an aircraft’s flights seven days after they happen, and show them by month only.
Why don’t you show which airports N821TN uses?
We leave out airports, bases and exact dates on purpose. We show how an aircraft has been used, not where it goes.
What’s in the full TailCheck report for N821TN?
All four graded chapters (Fatigue, Corrosion, Engines and brakes, and Utilization), each against the tracked Citation CJ3s, 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.
How this page is made
Everything here comes from N821TN’s ADS-B track, the position signal aircraft broadcast, over the 12 months to 31 Jul 2026. ADS-B misses some flights, so every count is a minimum. Flights appear seven days after they happen, by month only, and hours are estimated from time in the air; the logbook has the real totals. Airports, bases and exact dates are left out on purpose. How grades work: each graded measure is placed among the tracked Citation CJ3s against the middle aircraft, the 50th percentile. Between the 25th and 75th it is typical; outside that band it is gentler or harsher. Fatigue is graded here for free; for the other chapters this page shows the middle value of the fleet and whether this aircraft sits inside the middle half or outside it. Their grades and values are in the report, not on this page. Owners and operators can ask us not to publish an aircraft’s activity.