N421DK

Pending

1974 CESSNA 421B

Fixed wing multi engineSonoma, CA

N421DK is a 1974 Cessna 421B (fixed wing multi engine) with serial number 421B0825, registered in Sonoma, CA. It is powered by a Cont Motor GTSIO-520-C rated at 340 hp. Its airworthiness certificate is in the standard class (normal), issued Nov 8, 1974. It is one of 225 421B aircraft in the FAA registry, 18 of them registered in California. About 21% of them were built after it.

FAA status: Registration pending. There is no expiration date on this record.

Registration

FAA status
Registration pending
Registrant type
Individual
Registered owner
Individual owner, name not shown
Location
Sonoma, CA
Local FAA office (FSDO)
Oakland FSDO (OAK FSDO)
Last FAA action
Sep 9, 2026
Mode S code (hex)
A4FFAB
Mode S code (octal)
51177653
Official record
registry.faa.gov

Aircraft

Manufacturer
CESSNA
Model
421B
Type certificate (TCDS)
A7CE (Textron Aviation Inc.)
Year manufactured
1974
Serial number
421B0825
Aircraft type
Fixed wing multi engine
Engine type
Reciprocating
Engine
CONT MOTOR GTSIO-520-C (340 hp)
Engines / seats
2 / 8
Weight class
Up to 12,499 lb
Airworthiness
Standard since Nov 8, 1974
Approved operations
Normal

Public airports near Sonoma

AirportIDDistanceTowerFuel
Sonoma Skypark
Sonoma, CA
0Q93 miNon-towered100LL
Sonoma Valley
Schellville/Sonoma, CA
0Q35 miNon-towered100LL
Petaluma Municipal
Petaluma, CA
O698 miNon-towered100LL, A

Straight-line distance from the registration city, from the FAA airport directory (NASR). The registry does not say where an aircraft is based.

Other 421B in California