Twin piston

N502AT

1973 Cessna 421B

Registered No accidents on file
Built
1973
Serial
421B0547
Class
Twin piston
Engines
2 × Continental GTSIO-520-C
Status
Current as of October 2026
Registered owner
Air Note LLC (LLC)
Based
Delray Beach, FL
What's N502AT worth? Track flights
1973 Cessna 421B
Representative photo of a Cessna 421B. Not a photo of N502AT.
Registration record

N502AT on the FAA register

Type
1973 Cessna 421B
Serial
421B0547
Engines
2 × Continental GTSIO-520-C
Registered owner
Air Note LLC
Delray Beach, FL
Certificate issued
2014-05-22
Airworthiness date
1973-12-20
Registration expires
2027-05-31
Airworthiness class
Standard · normal
Mode S (hex)
A64170
Mode S (octal)
51440560
Seats (type)
8
Weight class
up to 12,499 lb
Range (type)
845 nm
Cruise (type)
235 kt
Status
Current as of October 2026
Market asking range
$219,000 to $389,000
Middle half of 15 live Cessna 421B listings, 1971–1975 models (median $339,000). Asking prices, not an appraisal of N502AT.
Registry history

Timeline

  • 2027-05-31
    Registration expires (renewal due).
  • 2014-05-22
    Certificate of registration issued as N502AT.
  • 1973-12-20
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N502AT

N502AT is a 1973 Cessna 421B, serial number 421B0547. The FAA register lists Air Note LLC as the registrant in Delray Beach, Florida. The current certificate of registration was issued on May 22, 2014 and expires on May 31, 2027.

The FAA aircraft reference file describes the type as a twin piston, two Continental GTSIO-520-C engines and 8 seats. Published figures for the type give a cruise speed of about 235 knots and a range of about 845 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated December 20, 1973.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N502AT.

Cruise
235 kt
Range
845 nm
Power / thrust (each)
375
Takeoff over 50 ft
2,387 ft
Landing over 50 ft
2,178 ft
Fuel burn
47 gph

Published figures for the Cessna 421B type. They describe the model, not this airframe's equipment or condition. Cessna 421B specs, prices and for-sale inventory →

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N502AT.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

Same model

More Cessna 421B aircraft

N114HV
1973 Cessna 421B
N1223H
1973 Cessna 421B
N123BT
1973 Cessna 421B
N124WC
1973 Cessna 421B
N16AS
1973 Cessna 421B
N214DF
1973 Cessna 421B
N31KC
1973 Cessna 421B
N321HA
1973 Cessna 421B
All 225 Cessna 421B registrations →
Same state

Other aircraft registered in Florida

N5025W
2001 Beechcraft B36TC Bonanza
N50290
1942 Taylorcraft DCO-65
N50297
1968 Cessna 150
N502BE
2025 Cirrus SR22T-G7
N502CH
1978 Hughes 500D
N502EV
2006 Evektor Sportstar
All 21,712 aircraft registered in Florida →
Similar aircraft

Other twin pistons on the register

More from Cessna

Cessna models on the register

Own N502AT?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Cessna aircraft for sale· Cessna 421B overview· Aircraft registered in Florida· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.