N555MY - 1974 Cessna 421B Aircraft Registration

C421

1974 CESSNA 421B

Aircraft Description

N555MY is a 1974 Cessna 421B, a twin-engine reciprocating (piston) aircraft registered to Phillips William L in Easthampton, MA. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on March 7, 1977. The registration certificate was issued on October 29, 2024. The registration is set to expire on October 31, 2031. Powered by a Cont Motor GTSIO-520-C engine producing 340 horsepower, N555MY is. The aircraft's Mode S transponder code is A71328 (hex), used for ADS-B identification and flight tracking. N555MY was last tracked by AviatorDB at coordinates 38.6819, -90.5323 on March 7, 2026. The FAA registry record for N555MY was last updated on October 29, 2024. 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 N555MY. 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
1974
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
March 7, 1977
Classification
Standard Normal Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
October 29, 2024

Registered Owner

Name
PHILLIPS WILLIAM L
Address
11 GRANDVIEW LN
City
EASTHAMPTON
State / Zip Code
Massachusetts01027-1006
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)
51611450
Mode S Code (Hex)
A71328

Additional Details

Registration
N555MY
Serial Number
421B0886
Number of Engines
2
Number of Seats
8
Expiration Date
October 31, 2031
Last Action Date
October 29, 2024
Last Update Date
October 29, 2024
Unique ID
00413555

Last Known Position

Date
March 7, 2026 (UTC 01:23:52)
Airport
Latitude
38.681901
Longitude
-90.532253

Data Source

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

Last updated: 2026-06-01 01:32:20 UTC