N66SA - 2024 Robinson Helicopter CO R66 Aircraft Registration

R66

2024 ROBINSON HELICOPTER CO R66

Aircraft Description

N66SA is a 2024 Robinson Helicopter Co R66, a single-engine turbo-shaft aircraft registered to Sierra Alpha Helicopters LLC in Dover, MA. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on June 21, 2024. The registration certificate was issued on July 2, 2024. The registration is set to expire on July 31, 2031. Powered by a Rolls-royc 250-C300/A1 engine producing 300 horsepower, N66SA is. The aircraft's Mode S transponder code is A8B371 (hex), used for ADS-B identification and flight tracking. N66SA was last tracked by AviatorDB near Newport State Airport (KUUU) on March 2, 2026. The FAA registry record for N66SA was last updated on July 2, 2024. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Robinson R-66, a revolutionary five-seat turbine helicopter, transformed the light turbine helicopter market by offering unprecedented affordability and reliability in its class. First flown on November 7, 2007, it features a single Rolls-Royce RR300 turboshaft engine producing 300 shaft horsepower, accommodating one pilot plus four passengers with a separate cargo compartment. With a main rotor diameter of 10.06 meters and fuselage length of 4.87 meters, the R-66 challenged established competitors and effectively replaced aging models like the Bell JetRanger. The aircraft is manufactured by Robinson Helicopter Company of Torrance, California. AviatorDB tracks 425 Robinson Helicopter Co aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is R66.

AviatorDB has found no NTSB accident or incident reports involving N66SA. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
2024
Manufacturer
ROBINSON HELICOPTER CO
Model
R66
Type Aircraft
Rotorcraft
ICAO Type Code
R66R-66
Weight Class
Up to 12,500 lbs
Airworthiness Date
June 21, 2024
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
July 2, 2024

Registered Owner

Name
SIERRA ALPHA HELICOPTERS LLC
Address
8 CLAYBROOK RD
City
DOVER
State / Zip Code
Massachusetts02030-2110
Country
United States

Powerplant & Avionics

Engine Type
Turbo-shaft
Number of Engines
1
Engine Manufacturer
ROLLS-ROYC
Engine Model
250-C300/A1
Horsepower
300 HP
Mode S Code (Oct)
52131561
Mode S Code (Hex)
A8B371

Additional Details

Registration
N66SA
Serial Number
1364
Number of Engines
1
Number of Seats
5
Expiration Date
July 31, 2031
Last Action Date
July 2, 2024
Last Update Date
July 2, 2024
Unique ID
01438375

Last Known Position

Date
April 4, 2026 (UTC 14:47:12)
Airport
Latitude
42.468475
Longitude
-71.297087

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-04-01 01:32:20 UTC