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Tail record, Gulfstream GIV, China register

B-625J: how this Gulfstream GIV is flown

14 tracked flights in the 12 months to 31 Jul 2026, on about 3 days a month and an estimated 32 hours in the air.

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Figures are for the twelve months to 31 Jul 2026; named aircraft are shown a week behind. Grades compare its record since 1 Jan 2025 with every tracked GIV.

01

How B-625J compares.

14 tracked flights in the twelve months to 31 Jul 2026.

Tracked flights

14

in the twelve months, about 1 a month

Days flown a month

2.6

in the months it flew

Estimated hours

≈32

in the twelve months, from time in the air

02

Month by month.

Its busiest month was April 2026, with 7 flights.

Tracked flights

Its busiest month was April 2026, with 7 flights. It did not fly in August 2025. The record has 12 tracking gaps, so about one flight in 1 may be missing and every count is a minimum.

Source: The Aircraft Ledger, flight data for B-625J, the twelve months to 31 Jul 2026. Flight counts only: airports and exact dates are left out of this page.

03

The free chapter.

Each measure against all 620 tracked GIVs. The shaded band is the middle half; the gold dot is B-625J.

Chapter 1

Fatigue

Not graded

How short were its legs?

Utilization isn’t graded for B-625J: 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.

Not compared: no percentile for this aircraft yet.

  • Hours per landingLead measure. Not compared: no percentile for this aircraft yet.

    2.8 : 1Not compared

  • Short hopsNot compared: no percentile for this aircraft yet.

    20%Not compared

  • Leg lengthExplains the hours per landing; not graded twice.

    816 nmContext, not graded

Harsher means harder on the aircraft than three quarters of GIVs; typical is the middle half. Percentiles compare this aircraft with every tracked GIV, over its record since 1 Jan 2025.

04

What only the report shows.

The fleet is shown, and whether B-625J sits inside its middle half. Its grades and values are in the full report.

Chapter 2

Corrosion

Salt air, middle GIV: 3%

Also graded: damp air, freeze–thaw, near the coast and moisture in the air.

Not graded: not enough data.

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Chapter 3

Engines and brakes

Short runways, middle GIV: 35%

Also graded: hot, high takeoffs; density altitude; dust and dry climate.

Not graded: not enough data.

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Chapter 4

Utilization

Flights a month, middle GIV: 5.6

Also graded: days flown a month and estimated hours a year.

Not graded: too few of its flights were tracked.

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05

The full report on B-625J.

All four chapters, every flight since January 2025 leg by leg, and the one thing to ask the seller.

TailCheck report

B-625J, Gulfstream GIV

$395one aircraft

  • All four chapters, graded
  • The one thing to ask, with records to request
  • Every flight since January 2025, leg by leg
  • Its weekly and seasonal rhythm
  • PDF, CSV and a share link; open for three months, kept up to date
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06

Questions about B-625J.

Cite this data

The Aircraft Ledger. “B-625J: how this Gulfstream GIV is flown.” Data through 31 Jul 2026. theaircraftledger.com/aircraft/b-625j

How many hours does B-625J fly a year?

About 32 estimated hours in the 12 months to 31 Jul 2026, across 14 tracked flights. Hours are estimated from time in the air, so the logbook has the exact figure.

How often is B-625J flown?

B-625J made 14 tracked flights in the 12 months to 31 Jul 2026, about 1 a month, and flew on about 3 days in each month it flew.

Does B-625J fly internationally?

9 of its 14 tracked flights in the 12 months to 31 Jul 2026, 90%, crossed a border.

When did B-625J 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 B-625J 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 B-625J?

All four graded chapters (Fatigue, Corrosion, Engines and brakes, and Utilization), each against the tracked GIVs, 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.

Fleet statisticsWhat’s normal for a Gulfstream GIVBuyer’s guideWhat to check before buying a used GIVSpotlightCompare B-625J with other GIVs

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.