Registry / Robinson Helicopter Co / R66 / N166GS

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N166GS V

Robinson Helicopter Co R66 · 2015 · Scottsdale, AZ

This aircraft — FAA registration facts

N166GS is a 2015 Robinson Helicopter Co R66 (serial 0593), registered to Western Sky Aviation LLC (LLC) in Scottsdale, AZ. Its FAA registration is recorded as v and expires July 2028; the airworthiness certificate dates from February 2015 (11 years ago). It carries a Rolls-Royc 250-C300/A1 engine rated at 300 hp, the engine on 89% of registered Robinson Helicopter Co R66s. Its Mode-S transponder broadcasts the ICAO 24-bit address A1089F. It is one of 433 Robinson Helicopter Co R66 aircraft on the FAA registry. Western Sky Aviation LLC holds 5 aircraft on the registry.

Registered owner
Western Sky Aviation LLC
Owner type
LLC
Based in
Scottsdale, AZ
Serial number
0593
Year built
2015 · 11 yrs old
Airworthiness class
Standard – Normal
FAA status
V
Mode-S / ICAO24
A1089F · 50204237 octal
Certificate issued
Jul 15, 2021
Airworthiness date
Feb 18, 2015
Last FAA activity
May 26, 2023
Registration expires
Jul 31, 2028
FAA region
4

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine
Rolls-Royc 250-C300/A1
Engine type
Turbo-shaft
Rated power
300 hp
Power per seat
60 hp
FAA engine code
54232

360 of the 404 registered Robinson Helicopter Co R66 carry this engine (89%), across 3 engine variants on the type.

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Community facts about N166GS

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Flight history & live tracking

ICAO24: a1089f
No flight data on file yet for N166GS.
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Aircraft Type — ACFTREF 7640130

Robinson Helicopter Co R66
Engines: 1
Type: turboprop
Seats: 5
Category: Standard

Engine — CODE 54232

Manufacturer: Rolls-Royc
Model: 250-C300/A1
Type: Turbo-shaft
Horsepower: 300 HP

FAA Registration Record

N-Number: N166GS
Serial Number: 0593
Year Manufactured: 2015
ACFTREF Code: 7640130
Engine Code: 54232
Status: V (V)
Certification: Standard – Normal
Type Aircraft: Rotorcraft (6)
Type Engine: Turbo-shaft (3)
Source: master

Documents & resources

Commonly available reference sources for the Robinson Helicopter Co R66. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.

View the Robinson Helicopter Co R66 model overview, reviews & photos →

These are commonly available reference sources. FerryFlight Hub does not provide sample or generated documents on this page.

FerryFlight Hub is independent and not affiliated with, endorsed by, or sponsored by any aircraft manufacturer, the FAA, or any document publisher. References are NOT for operational, navigational, or flight-planning use — always rely on the current, FAA-approved documentation for the specific aircraft. We link to official or publicly available sources and do not host or redistribute copyrighted material. Provided "as is," without warranty of any kind as to accuracy, completeness, or currency.

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Transponder / ADS-B

Mode S (octal): 50204237
ICAO 24-bit (hex): A1089F

Registrant

Western Sky Aviation LLC
LLC
View all 5 aircraft registered to this owner →
7305 E Greenway Rd
Scottsdale, AZ, 852601603
FAA Region: 4

Key Dates

Certificate Issued Jul 15, 2021
Airworthiness Feb 18, 2015
Expiration Jul 31, 2028
Last Activity May 26, 2023
Data as of Sep 7, 2026

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