N818AK - 1981 Cessna 421C Aircraft Registration

C421

1981 CESSNA 421C

Aircraft Description

N818AK is a 1981 Cessna 421C, a twin-engine reciprocating (piston) aircraft registered to Whirley Robert G in Santa Rosa, CA. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on June 29, 1981. The registration certificate was issued on September 24, 2008. The registration is set to expire on April 30, 2028. Powered by a Cont Motor GTSIO-520 SER engine producing 435 horsepower, N818AK is. The aircraft's Mode S transponder code is AB271E (hex), used for ADS-B identification and flight tracking. The FAA registry record for N818AK was last updated on May 5, 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 N818AK. 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
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
June 29, 1981
Classification
Standard Normal Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
September 24, 2008

Registered Owner

Name
WHIRLEY ROBERT G
Address
3709 PAXTON PL
City
SANTA ROSA
State / Zip Code
California95404-7602
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)
52623436
Mode S Code (Hex)
AB271E

Additional Details

Registration
N818AK
Serial Number
421C1085
Number of Engines
2
Number of Seats
8
Expiration Date
April 30, 2028
Last Action Date
May 5, 2023
Last Update Date
January 19, 2026
Unique ID
00960743

Data Source

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

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