N821TT - 1976 Cessna 421C Aircraft Registration

C421

1976 CESSNA 421C

Aircraft Description

N821TT is a 1976 Cessna 421C, a twin-engine reciprocating (piston) aircraft registered to Home by Dark LLC in Fredericksburg, TX. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on April 29, 1987. The registration certificate was issued on August 16, 2021. The registration is set to expire on August 31, 2028. Powered by a Cont Motor GTSIO-520 SER engine producing 435 horsepower, N821TT is. The aircraft's Mode S transponder code is AB364D (hex), used for ADS-B identification and flight tracking. N821TT was last tracked by AviatorDB at coordinates 30.2405, -98.9405 on March 24, 2026. The FAA registry record for N821TT was last updated on March 8, 2025. 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 N821TT. 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
1976
Manufacturer
CESSNA
Model
421C
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
C421421 Executive Commuter
Cruise Speed
90 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
April 29, 1987
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
August 16, 2021

Registered Owner

Name
HOME BY DARK LLC
Address
150 E MAIN ST STE 201
City
FREDERICKSBURG
State / Zip Code
Texas78624-4202
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
2
Engine Manufacturer
CONT MOTOR
Engine Model
GTSIO-520 SER
Horsepower
435 HP
Mode S Code (Oct)
52633115
Mode S Code (Hex)
AB364D

Additional Details

Registration
N821TT
Serial Number
421C0041
Number of Engines
2
Number of Seats
8
Expiration Date
August 31, 2028
Last Action Date
March 8, 2025
Last Update Date
January 19, 2026
Unique ID
00410130

Last Known Position

Date
May 14, 2026 (UTC 22:02:40)
Airport
Latitude
30.180933
Longitude
-98.884259

Data Source

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

Last updated: 2026-05-15 01:32:20 UTC