Maker · data as of October 23, 2026

Keystone Helicopter

10 aircraft on the U.S. register. The most recent registration was January 9, 2026.

Models, as a table

	aircraft
S-76C	10

By state, as a table

Registrations by year, as a table

Model families

Engines

Type certificates

Where they are

Biggest operators

Analytics

Aircraft newest first

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N278FX	Keystone Helicopter S-76C	Rotorcraft	Flexjet Vertical Lift LLC Stratford, Connecticut	Standard	2026-01-09	Valid
N614JC	Keystone Helicopter S-76C	Rotorcraft	Knight Helo LLC Wilmington, Delaware	Standard	2025-06-14	Valid
N152AE	Keystone Helicopter S-76C	Rotorcraft	Mustang Leasing LLC Henderson, Nevada	Standard	2024-12-30	Valid
N176FX	Keystone Helicopter S-76C	Rotorcraft	Co-owned owner Connecticut	Standard	2024-04-10	Valid
N2133X	Keystone Helicopter S-76C	Rotorcraft	Arrow Aviation CO LLC Broussard, Louisiana	None on file	2023-10-10	Valid
N2119A	Keystone Helicopter S-76C	Rotorcraft	Arrow Aviation CO LLC Broussard, Louisiana	Standard	2023-09-21	Valid
N718P	Keystone Helicopter S-76C	Rotorcraft	Phi Aviation LLC Lafayette, Louisiana	Standard	2019-09-05	Valid
N76ZA	Keystone Helicopter S-76C	Rotorcraft	N76Za LLC New York, New York	Standard	2019-04-02	Valid
N753P	Keystone Helicopter S-76C	Rotorcraft	Phi Health LLC Tempe, Arizona	Standard	2017-06-30	Valid
N785P	Keystone Helicopter S-76C	Rotorcraft	Individual owner Louisiana	Standard		Canceled