Helicopters/ROBINSON HELICOPTER COMPANY/R44 II/N121SX

N121SX — 2018 ROBINSON HELICOPTER COMPANY R44 II

Registry aircraft record

✦FAA Registry Record
N-NumberN121SX
Serial number14147
ManufacturerROBINSON HELICOPTER COMPANY
ModelR44 II
Year built2018
Registrant—
Registry statusRegistered (V)
RegistrationRegistration current · expires 31 Oct 2031
AirworthinessAirworthiness certificate on file
Last action2024-10-17
Source: FAA (United States) · updated Oct 22, 2026
One of 1319 active ROBINSON HELICOPTER COMPANY R44 IIs across the 4 registries BuyJet tracks. Registry record last updated Oct 22, 2026.
ROBINSON HELICOPTER COMPANY R44 II model hub

New to market — be the first to see R44 II listings View market →

Is this your aircraft?

List it in minutes — we’ve already got the registry data.

About N121SX

What aircraft is N121SX?

N121SX is a 2018 ROBINSON HELICOPTER COMPANY R44 II registered with the FAA (United States).

Is N121SX currently registered?

Yes — the FAA (United States) lists N121SX as registered (registry data updated 2026-10-22).

How many seats and engines does ROBINSON HELICOPTER COMPANY R44 II have?

The ROBINSON HELICOPTER COMPANY R44 II has 4 seats and 1 engine.

ROBINSON HELICOPTER COMPANY R44 II — fleet data & listingsAircraft registered in United States for sale