large-cabin jet
N403SBGulfstream IV-SP

Registration record
N403SB on the FAA register
- Type
- Gulfstream IV-SP
- Serial
- 1417
- Engines
- 2 × Rolls-Royc TAY 611SER
- Registered owner
- SMB G-Iv X LLC, Longwood, FL, US
- Certificate issued
- 2022-02-10
- Airworthiness date
- 2001-03-21
- Registration expires
- 2029-02-28
- Mode S (hex)
- A4B958
- Status
- Current as of October 2026
Overview
N403SB is a Gulfstream IV-SP, serial number 1417. The FAA records the ownership type as llc. The named registrant is SMB G-Iv X LLC. Fractional ownership is not specified in the supplied FAA record.
Registry facts
The FAA records the manufacturer as GULFSTREAM AEROSPACE and the model as G-IV. The type certificate listed for this record is EASA.IM.A.070. Its recorded airworthiness date is March 21, 2001. The certificate of registration was issued on February 10, 2022.
Type reference
The aircraft's category is large-cabin jet. The certified family does not establish a marketed variant or installed cabin completion. The supplied ICAO type designator is GLF4. The supplied type specifications list 2 Rolls-Royc TAY 611SER engines. These type-level engine entries do not verify the engines installed on this airframe.

Data: Radar, FAA aircraft registry file of 2026-10-09.
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