N31136 - 2021 Robinson Helicopter Company R44 II Aircraft Registration

R44

2021 ROBINSON HELICOPTER COMPANY R44 II

Aircraft Description

N31136 is a 2021 Robinson Helicopter Company R44 II, a single-engine reciprocating (piston) aircraft registered to Midwestern Helicopter LLC in Kenosha, WI. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on November 30, 2021. The registration certificate was issued on April 11, 2022. The registration is set to expire on April 30, 2029. Powered by a Lycoming IO-540-AE1A5 engine producing 260 horsepower, N31136 is. The aircraft's Mode S transponder code is A34D68 (hex), used for ADS-B identification and flight tracking. N31136 was last tracked by AviatorDB at coordinates 42.5957, -87.9278 on March 12, 2025. The FAA registry record for N31136 was last updated on July 28, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Robinson R-44 Raven revolutionized general aviation as the world's best-selling helicopter since 1999, making four-seat rotorcraft accessible to civilian operators at previously unattainable prices. First flown on March 31, 1990, it featured a single six-cylinder Lycoming piston engine powering a four-seat enclosed cabin with hydraulically-assisted flight controls. With a maximum speed of 135 mph and range of 350 nautical miles, the R-44 delivered turbine-like performance at piston operating costs. Robinson Helicopter Company of Torrance, California has produced over 6,800 units since 1993, establishing the aircraft as one of the most successful general aviation designs of the 21st century. AviatorDB tracks 1,463 Robinson Helicopter Company aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is R44.

AviatorDB has found no NTSB accident or incident reports involving N31136. 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
2021
Manufacturer
ROBINSON HELICOPTER COMPANY
Model
R44 II
Type Aircraft
Rotorcraft
ICAO Type Code
R44R-44 Raven
Weight Class
Up to 12,500 lbs
Airworthiness Date
November 30, 2021
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
April 11, 2022

Registered Owner

Name
MIDWESTERN HELICOPTER LLC
Address
10450 52ND ST
City
KENOSHA
State / Zip Code
Wisconsin53144-7434
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
LYCOMING
Engine Model
IO-540-AE1A5
Horsepower
260 HP
Mode S Code (Oct)
50646550
Mode S Code (Hex)
A34D68

Additional Details

Registration
N31136
Serial Number
14504
Number of Engines
1
Number of Seats
4
Expiration Date
April 30, 2029
Last Action Date
July 28, 2023
Last Update Date
January 19, 2026
Unique ID
01350302

Last Known Position

Date
March 12, 2025 (UTC 22:40:52)
Airport
Latitude
42.595699
Longitude
-87.927803

Data Source

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

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