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N403SBGULFSTREAM AEROSPACE G-IV

N403SB is a Gulfstream Aerospace G-IV, serial 1417, registered to SMB G-IV X LLC, an llc in Longwood, FL, US. The FAA issued the current certificate on 10 Feb 2022, and its status is Valid registration, expiring 28 Feb 2029. The record shows no registry changes, no NTSB case on this mark and no service difficulty reports.

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$5,373,844

Valued 29 Aug 2026

Registration: N403SB
Aircraft: G-IV; GULFSTREAM AEROSPACE
Serial Number: 1417

Locked

Total Hours

Locked

Total Cycles

Not recorded

Year

Public record

The public record
for N403SB.

This section is public record, drawn from the FAA registry and the Virtual Hangar valuation sheet. Nothing here comes from the aircraft's own logbooks. Verification is what connects this record to the logbooks, the maintenance plan and the value factors only an owner holds, and anything an owner chooses to publish appears separately below.

Registration record

N403SB as the FAA holds it

FAA registry, effective 6 Oct 2026

Airframe

Manufacturer: GULFSTREAM AEROSPACE
Model: G-IV
Serial number: 1417
Airframe type: Fixed wing multi engine
Category: Land
Certification basis: Type certificated
Seats: 22
Weight class: 20,000 lb and over

Powerplant

Engines: 2
Manufacturer: ROLLS-ROYC
Model: TAY 611SER
Type: Turbo-fan
Thrust: 12,450 lbf each

Airworthiness

Certificate issued: 21 Mar 2001
Classification: Standard
Approved operations: Transport

Registration

Status: Valid registration
Record type: Currently registered
Certificate issued: 10 Feb 2022
Last FAA action: 28 Oct 2025
Expires: 28 Feb 2029
FAA region: Southern
Fractional ownership: No
FAA unique id: 00926072

Registered owner

Name: SMB G-IV X LLC
Registrant type: LLC
Based: LONGWOOD, FL, US

Transponder address

Mode S (hex): A4B958
ICAO 24-bit: a4b958
Octal: 51134530
Decimal: 10795352

Estimated value

$5,373,844

As of 29 Aug 2026. Virtual Hangar Jetstimate. Market value and charter on virtualhangar.com

Market presence

Not currently listed

N403SB has never appeared on the marketplaces we collect.

Live tracking

Where N403SB is,
right now.

Flight tracking read live from a public feed. In the air, the map shows the aircraft's position, heading and path flown. On the ground, it shows where the feed last reported it, rounded to about a kilometre.

CheckingN403SB

Looking for a position.

Straight answers

Questions about
N403SB.

Each answer is drawn from public record and the Virtual Hangar valuation sheet: the FAA registry, the NTSB database, service difficulty reports, Part 135 certificates and public sale listings. Nothing here comes from the owner's own published details above. Where the record is silent the question is not asked, so an absence here never stands in for a clean history.

What kind of aircraft is N403SB?

N403SB is a Gulfstream Aerospace G-IV, serial 1417. The FAA classes it as fixed wing multi engine, it seats 22, it is powered by 2 ROLLS-ROYC TAY 611SER engines.

Who is N403SB registered to?

The FAA registry lists SMB G-IV X LLC, an llc in Longwood, FL, US, as the registrant of N403SB.

Is N403SB still registered?

The FAA lists the registration as Valid registration. The current certificate was issued on 10 Feb 2022 and expires on 28 Feb 2029.

Has N403SB been in an NTSB-reported accident?

The NTSB database holds no accident or incident record naming N403SB. Marks are reused, so this covers the mark, not every airframe that ever wore it.

Does N403SB have service difficulty reports?

No service difficulty reports have been filed against N403SB.

Who operates N403SB for charter?

No Part 135 certificate lists N403SB, so it is not on file as a charter aircraft.

Is N403SB for sale?

N403SB is not currently listed for sale on the marketplaces we collect.

What is N403SB worth?

The Virtual Hangar Jetstimate puts N403SB at $5,373,844 as of 29 Aug 2026. A listing asking price, where one exists, is the seller's number and not this valuation.

Has N403SB changed hands?

The FAA record shows no registry changes for N403SB.

What verification adds

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Public record ends where the aircraft's own paperwork begins. A verified owner connects the two.

LineageEvery logbook page scanned, dated, searchable and backed by the source scan.
VHMxComponent times, inspections and what is due next, on one timeline.
JetstimateThe valuation above, sharpened with verified hours, equipment and condition.

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