N404VB - 2015 Robinson Helicopter CO R66 Aircraft Registration

R66

2015 ROBINSON HELICOPTER CO R66

Aircraft Description

N404VB is a 2015 Robinson Helicopter Co R66, a single-engine turbo-shaft aircraft registered to Mammoth Sierra LLC in Laguna Beach, CA. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on September 9, 2015. The registration certificate was issued on October 2, 2015. The registration is set to expire on October 31, 2028. Powered by a Rolls-royc 250-C300/A1 engine producing 300 horsepower, N404VB is. The aircraft's Mode S transponder code is A4BD5A (hex), used for ADS-B identification and flight tracking. N404VB was last tracked by AviatorDB near Chino Airport (KCNO) on March 21, 2026. The FAA registry record for N404VB was last updated on June 16, 2023. 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 N404VB. 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
2015
Manufacturer
ROBINSON HELICOPTER CO
Model
R66
Type Aircraft
Rotorcraft
ICAO Type Code
R66R-66
Weight Class
Up to 12,500 lbs
Airworthiness Date
September 9, 2015
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
October 2, 2015

Registered Owner

Name
MAMMOTH SIERRA LLC
Address
28961 SOMMET DU MONDE
City
LAGUNA BEACH
State / Zip Code
California92651-2091
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)
51136532
Mode S Code (Hex)
A4BD5A

Additional Details

Registration
N404VB
Serial Number
0663
Number of Engines
1
Number of Seats
5
Expiration Date
October 31, 2028
Last Action Date
June 16, 2023
Last Update Date
January 19, 2026
Unique ID
01179625

Last Known Position

Date
March 21, 2026 (UTC 23:26:02)
Airport
Latitude
33.668472
Longitude
-117.870857

Data Source

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

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