N6851X - 1981 Cessna 441 Aircraft Registration

C441

1981 CESSNA 441

Aircraft Description

N6851X is a 1981 Cessna 441, a twin-engine turbo-prop aircraft registered to Upper Peninsula Aviation LLC in Kingsford, MI. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on April 17, 1981. The registration certificate was issued on August 14, 2018. The registration is set to expire on August 31, 2028. Powered by a Airesearch TPE331 SERIES engine producing 904 horsepower, N6851X is. The aircraft's Mode S transponder code is A9185B (hex), used for ADS-B identification and flight tracking. N6851X was last tracked by AviatorDB near Des Moines International Airport (KDSM) on April 2, 2026. The FAA registry record for N6851X was last updated on June 3, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Cessna 441 Conquest II was Cessna's first turboprop aircraft, marking the company's entry into the high-performance business aviation market. First flown in August 1975, it was a pressurized twin-turboprop monoplane that could seat up to 10 passengers and featured twin Garrett TPE331 engines producing 636 shaft horsepower each. With a service ceiling of 35,000 feet and maximum gross weight of 9,850 pounds, the aircraft was manufactured by Cessna Aircraft Company in Wichita, Kansas. AviatorDB tracks 80,556 Cessna aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is C441.

AviatorDB has found no NTSB accident or incident reports involving N6851X. 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
1981
Manufacturer
CESSNA
Model
441
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
C441441 Conquest 2
Cruise Speed
131 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
April 17, 1981
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
August 14, 2018

Registered Owner

Name
UPPER PENINSULA AVIATION LLC
Address
N3179 VAN SICKLE DR
City
KINGSFORD
State / Zip Code
Michigan49802-6613
Country
United States

Powerplant & Avionics

Engine Type
Turbo-prop
Number of Engines
2
Engine Manufacturer
AIRESEARCH
Engine Model
TPE331 SERIES
Horsepower
904 HP
Mode S Code (Oct)
52214133
Mode S Code (Hex)
A9185B

Additional Details

Registration
N6851X
Serial Number
441-0212
Number of Engines
2
Number of Seats
10
Expiration Date
August 31, 2028
Last Action Date
June 3, 2023
Last Update Date
January 19, 2026
Unique ID
00820077

Last Known Position

Date
April 7, 2026 (UTC 00:51:29)
Airport
Latitude
45.722763
Longitude
-88.247547

Data Source

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

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