N41SP - 1975 Cessna 421B Aircraft Registration

C421

1975 CESSNA 421B

Aircraft Description

N41SP is a 1975 Cessna 421B, a twin-engine reciprocating (piston) aircraft registered to N41SP LLC in New Port Richey, FL. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on July 23, 1975. The registration certificate was issued on April 6, 2020. The registration is set to expire on April 30, 2027. Powered by a Cont Motor GTSIO-520-C engine producing 340 horsepower, N41SP is. The aircraft's Mode S transponder code is A4D365 (hex), used for ADS-B identification and flight tracking. N41SP was last tracked by AviatorDB at coordinates 33.2027, -84.2509 on February 20, 2026. The FAA registry record for N41SP was last updated on January 22, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Cessna 421 Golden Eagle was a pressurized twin-engine aircraft that brought high-altitude comfort to the business aviation market at a fraction of turboprop costs. First flown on May 1, 1967, it was a low-wing monoplane powered by two Continental GTSIO-520 turbocharged engines, seating six to eight occupants. With a service ceiling of 30,000 feet and cruise speed of 277 mph, the 421 spanned 43 feet 2 inches with a length of approximately 39 feet. Cessna Aircraft Company manufactured 1,901 examples between 1967 and 1985. AviatorDB tracks 80,556 Cessna aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is C421.

AviatorDB has found no NTSB accident or incident reports involving N41SP. 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
1975
Manufacturer
CESSNA
Model
421B
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
C421421 Executive Commuter
Cruise Speed
172 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
July 23, 1975
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
April 6, 2020

Registered Owner

Name
N41SP LLC
Address
8219 MASSACHUSETTS AVE
City
NEW PORT RICHEY
State / Zip Code
Florida34653-3111
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
2
Engine Manufacturer
CONT MOTOR
Engine Model
GTSIO-520-C
Horsepower
340 HP
Mode S Code (Oct)
51151545
Mode S Code (Hex)
A4D365

Additional Details

Registration
N41SP
Serial Number
421B0937
Number of Engines
2
Number of Seats
8
Expiration Date
April 30, 2027
Last Action Date
January 22, 2023
Last Update Date
January 19, 2026
Unique ID
00393280

Last Known Position

Date
February 20, 2026 (UTC 21:51:17)
Airport
Latitude
33.202652
Longitude
-84.250854

Data Source

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

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