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Multi-Engine Piston

1971 CESSNA 421B

$135,000 fyiEstimate $329,500–$338,000 How this estimate is built

Starts from the median asking price of 15 comparable CESSNA 421B listings ($329,000), then adjusts for:

  • Year -2 vs comparable listings -3.0%
  • Airframe time -3,999 hr vs comps +8.0%
  • Engine time +362 hr vs comps -1.1%
  • Market supply: 16 for sale of 224 FAA-registered -2.1%

Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.

1971
3,560 hrs
N234DA
421B0122
CONTINENTAL
2
MCCAULEY
KRVS
📍 Addison, Texas
Destination Management LLC
Per the FAA aircraft registry (public record)

Overview

Make / ModelCESSNA 421B
TypeMulti-Engine Piston
Airframe time3,560 hrs
Engine time926 SMOH
Prop blades3
Avionics / GPSGarmin GNS 530
Avionics / TransponderGarmin GTX330
Avionics / OtherKing KX-155, Garmin GNS-530W
ADS-BYes
InspectionAnnual
Garmin GPS Autopilot ADS-B

Description

Reduced! Very well maintained C421B. PS Engineering Audio Panel, Garmin 530W, GTX 330 ES, KX155, STEC 55X auto pilot, May 24 annual. Electric 134 converted Air Conditioning (you can run on the ground without engines) We have known this plane for 20 years. It has served 3 different owners very well. All original logbooks since new. Might consider single engine in trade.

Modifications

Electric Air-conditioning Electric Air Works great! JPI Engine Monitor Hoskins 2,000 fuel flow totalizer

Avionics

PS Engineering Audio Panel Garmin GNS 530W KX155 Garmin GTX 330 ES, STEC 55X auto pilot

How this aircraft compares

Where this CESSNA 421B lands versus other CESSNA 421B listings on fyiAero.

Price

20th pct
$129k$475kThis aircraft · $135k

$135k · 20th percentile of 15 listings

Airframe time

6th pct
3,56045,544This aircraft · 3,560

3,560 hours total (TTAF) · 6th percentile of 16 listings

Engine time (Engine 1)

88th pct
2731,399This aircraft · 926

926 hours since major overhaul · 88th percentile of 16 listings

Engine time (Engine 2)

94th pct
3251,399This aircraft · 1,350

1,350 hours since major overhaul · 94th percentile of 16 listings

Percentile = share of comparable listings at or below this value. Lower airframe/engine hours are generally fresher; price reflects the asking price only.

General

Year1971
ManufacturerCESSNA
Model421B
Serial Number421B0122
Registration #N234DA
ConditionUsed
FlightRulesIFR
Based atKRVS

Airframe

Total Time3,560
Range800 NM
Fuel Capacity Volume225 gal
Auxiliary Fuel TankYes
Complete LogsYes

Engine 1

Engine 1 Make/ModelCONTINENTAL
Engine 1 Serial Number218267-R
Engine 1 Horsepower375 HP
Engine 1 Time926 SMOH
Engine 1 TBO1600
Engine 1 TurbochargedYes

Engine 2

Engine 2 Make/ModelCONTINENTAL TSIO520H
Engine 2 Serial Number218382-R
Engine 2 Horsepower375 HP
Engine 2 Time1,350 SMOH
Engine 2 TBO1600
Engine 2 TurbochargedYes

Props

Prop 1 ManufacturerMCCAULEY
Prop 1 Model3AF34C92
Prop 1 Time926
Prop 2 ManufacturerMCCAULEY
Prop 2 Time926
Number of Blades3
Blade CompositionAluminum

Avionics

ADS-B EquippedYes
WAASYes
LPVYes
Avionics/RadiosPS Engineering Audio Panel Garmin GNS 530W KX155 Garmin GTX 330 ES, STEC 55X auto pilot

Additional Equipment

PressurizedYes
Oxygen SystemYes
Inadvertent Ice ProtectionYes
A/CYes
Additional EquipmentElectric Air Works great! JPI Engine Monitor Hoskins 2,000 fuel flow totalizer

Modifications/Conversions

Modifications/ConversionsElectric Air-conditioning

Interior

Number of Seats6
LavatoryYes
ConfigurationPassenger

Inspection Status

Inspection StatusAnnual due August 1, 2026 IFR 411/413 due May 1, 2026

Service Logs

MiscellaneousN234DA March 2025 LOG ENTRIES wingtips, Starter, Alternator.pdf Annual Insspection 2025 N234DS LOG ENTRIES AND TB REPAIR.pdf W & B N234DA.JPEG AW N234DA SN 421B1022.pdf
EngineRH Propeller Logbook 6.9.2006 - 5.16.2024.pdf LH Propeller Logbook 6.27.2006 - 4.12.2023.pdf RH Logbook #3 10.5.2010 - 5.16.2024.pdf RH Logbook #2 2.11.1993 - 5 1 2009.pdf LH Engine Logbook #2 6.9.2006 - 5.16.2024.pdf
AircraftAF Logbook #4 10.1.2002 - 5.22.2024.pdf AF Logbook #3 Part Two 11.24.1997 - 5.25.2004.pdf AF Logbook #3 Part One 2.5.1993 - 10.30.1997.pdf AF Logbook #2 2.28.1978 - 12.6.1991.pdf AF Logbook #1 5.13.1971 - 2.23.1978 -.pdf