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Multi-Engine Piston

1977 CESSNA 421C

Marco Island Executive – Marco Island (KMKY), FL · USA
🕒 Listed 2 months ago
$525,000
fyiEstimate $442,500–$453,500 ⓘ How this estimate is built

Starts from the median asking price of 64 comparable Cessna 421C listings ($440,000), then adjusts for:

  • Year -2 vs comparable listings -3.0%
  • Airframe time -1,056 hr vs comps +2.1%
  • Engine time +423 hr vs comps -5.9%
  • Garmin GTN 750 (36% of comps) +12.8%
  • Autopilot (69% of comps) +0.9%
  • ADS-B (61% of comps) +1.0%
  • Market supply: 68 for sale of 497 FAA-registered -5.0%

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

1977
5,151 hrs
N100L ✈ Flight Tracking
Sep 18, 2026 (31 days ago)
421C-0313
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2
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Overview

Make / ModelCessna 421C
TypeMulti-Engine Piston
Airframe time5,151 hrs
Engine time1164 SOH
Avionics / GPSGarmin GTN 750
Avionics / Primary flight displayGARMIN GI 275, GARMIN G600
Avionics / AutopilotS-Tec 3100
Avionics / Weather radarGWX-70
Avionics / Traffic (TCAS / TAS)TCAS, GTS-825
Avionics / Radar altimeterKRA-405
Avionics / Datalink weatherGDL-69
Avionics / Audio panelGMA-347
InspectionAnnual
Garmin GPS Autopilot FIKI / known ice ADS-B

Engines & propellers

Airframe

Time since new
1,164 hrs

Decoded from the seller's description — verify against logbooks.

Description

Detailed Description PRICE REDUCTION!! This turn-key 421C is ready for its next mission, with an upgraded glass Garmin panel featuring Garmin 600TXI coupled to dual Garmin 750’s this aircraft has the latest & greatest tech. Additionally, the aircraft will be delivered with a freshly overhauled RH RAM engine & plenty of time remaining on the LH engine. Fresh annual completed in April of this year, for more information please contact Mike Milanovic at +1(630)291-1309. MAINTENANCE: Fresh Annual 04/2026 AVAILABLE IMMEDIATELY, MAKE OFFER, CONTACT MIKE MILANOVIC 630-291-1309 Specifications and descriptions are provided as introductory information. They do not constitute representations or warranties of International Aircraft Marketing & Sales, LLC. Accordingly, you should rely on your own inspection of the aircraft prior to making any purchase or offer to purchase. AIRFRAME: 5,151 Airframe Total Time

Modifications

ENGINES: GTSIO-520-L (TBO 1,600) Engine 1 SN: 239081R 1,675 TTSN 1,164 TSO Engine 2 SN: 608779R 1,675 TTSN 0 TSO PROPS: Left Prop: SN DG782B 1,675 TTSN Right Prop: SN DG783B 1,675 TTSN

Avionics

AVIONICS: Autopilot: S-Tec 3100 (Digital) Communication Radios: Dual GTN-750 EFIS: Aspen PFD-1000 2-Tube; Garmin G600TXI GPS: Dual Garmin GTN-750 Navigation Radios: Dual Garmin GTN-750 Stormscope: L3 WX-500 TCAS: Garmin GTS-825 Transponder: Garmin GTC-33ES Weather Radar: Garmin GWX-70 12-Inch Radar Altimeter: Bendix/King KRA-405 ADDITIONAL: ADSB-Out Garmin GI-275 WAAS JPI EDM-960 GPS Steering Altitude Warning Preselector Garmin Flight Stream 510 Garmin GMA-347 Garmin GDL-69 XM Weather Datalink Heated Glass Windshield Speed Brakes Dual Wing Locker Fuel Tanks FIKI Ice/Protection Hartzell Wide-Chord 3-Blade EZ Heat 540 Engine Preheater Heated Fuel Manifolds 5.0 PSI Cabin Pressurization Vortex Generators Gross Weight Increase AFT Body Strakes Ground Service Plug Receptacle

Service Difficulty Reports (SDRs)

Checking FAA service difficulty reports…

Airworthiness Directives (ADs)

Checking airworthiness directives…

How this aircraft compares

Where this Cessna 421C lands versus other Cessna 421C listings on fyiAero.

Price

72nd pct
$130k$825kThis aircraft · $525k

$525k · 72nd percentile of 64 listings

Airframe time

37th pct
2,56010,050This aircraft · 5,151

5,151 hours total (TTAF) · 37th percentile of 67 listings

Engine time (Engine 1)

78th pct
14,120This aircraft · 1,164

1,164 hours since overhaul · 78th percentile of 65 listings

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

Operating costs & specifications — Cessna 421

Typical model-level figures for the Cessna 421 (not this specific airframe).

$59,467annual budget · 72 hrs/yr
$475variable cost / hour
$2.14cost per nm
47.0gph fuel burn
$274,332avg pre-owned asking fyiEstimate  $442,500–$453,500

Performance & dimensions

Range826 nm
Cruise speed222 kts · 255 mph
Takeoff / landing2012.0 / 1045.0

About this plane

Twin engine piston aircraft with retractable landing gear. The 421 seats up to 6 passengers plus 1 pilot.

Range from base

Still-air range ring — type an aircraft to change it. Compare aircraft on the Range tool ›

Last flight

Actual flight path from FlightAware for N100L. More flight tracking ›