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N166GS

2015 Robinson Helicopter R66 · Rolls-Royce 250-C300/A1

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Registered owner: Western Sky Aviation LLC
Location: Scottsdale, AZ
Owner type: LLC
Serial number: 0593
Year built: 2015
Type: Rotorcraft
Engine: Turbo-shaft
Airworthiness: Standard, normal
Airworthiness date: February 18, 2015
Certificate issued: July 15, 2021
Expires: July 31, 2028
Mode S code: A1089F

Robinson Helicopter R66Airframe model · 5 seats · 1 engine · 421 registered TCDS R00015LAAirframe · Robinson Helicopter R66 TCDS E4CEEngine · Rolls-Royce 250-C300/A1

From the FAA registry file of October 20, 2026.

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Airworthiness directives that may apply · 8

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

2017In forceSuperseded2026

Airframe · Robinson Helicopter R66

AD 2024-20-07Emergency Equipment; Emergency Flotation SectionEffective Dec 5, 2024 AD 2024-04-02Tail Rotor BladesEffective Apr 2, 2024 AD 2023-11-07Ground Proximity SystemEffective Jun 22, 2023 · Supersedes AD 2021-23-13 AD 2022-19-12Tail Rotor BladesEffective Oct 20, 2022 · Supersedes AD 2021-19-08 AD 2021-04-12Tail Rotor Drive ShaftEffective Apr 12, 2021 AD 2019-07-02Engine Oil Storage (Airframe Furnished)Effective May 17, 2019 AD 2016-26-04Main Rotor BladesEffective Feb 8, 2017

Engine · Rolls-Royce 250-C300/A1

AD 2022-10-06Turbine SectionEffective Jun 28, 2022 · Supersedes AD 2017-18-14

Superseded and historical ADs · 2

AD 2021-23-13Ground Proximity SystemHistoricalEffective Dec 9, 2021 · Replaced by AD 2023-11-07 AD 2017-18-14Turbine SectionHistoricalEffective Oct 13, 2017 · Replaced by AD 2022-10-06

Information bulletins that may apply · 5

Advisory, not mandatory.

Airframe · Robinson Helicopter R66

SAIB AIR-22-03Robinson Helicopter Company Model R22, R44, and R66 Helicopters; Emergency Locator Transmitter RetentionIssued Mar 3, 2022 SAIB AIR-21-14Robinson R44 and R66 HeliSAS Autopilot/Garmin Primary Flight Display (PFD) InterfaceIssued Aug 24, 2021 SAIB AIR-21-11Rotorcraft Servo System (Jasc 6730)Issued Jul 22, 2021 SAIB SW-20-01Electrical Power System - Battery Electrolyte LeakageIssued Mar 6, 2020 SAIB SW-15-08R1Robinson R44 and R44 Main Rotor BladesIssued Mar 31, 2015

NTSB investigations

No NTSB investigations matched to N166GSMatched by N-number and event date. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Robinson Helicopter R66 aircraft

FAA incident reports

No FAA accident or incident reports matched to N166GSMatched by N-number and event date. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Robinson Helicopter R66 aircraft

Service difficulty reports

No reports filed for N166GSGeneral aviation reporting is voluntary. Reports on Robinson Helicopter R66 aircraft