1973 CESSNA 421B
Starts from the median asking price of 15 comparable CESSNA 421B listings ($329,000), then adjusts for:
- Airframe time +1,322 hr vs comps -2.6%
- Garmin G600 glass (uncommon in comps) +3.0%
- FIKI (known-ice) (uncommon in comps) +2.0%
- 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.
Overview
| Make / Model | CESSNA 421B |
|---|---|
| Type | Multi-Engine Piston |
| Airframe time | 8,881 hrs |
| Engine time | 520 SFRM |
| Avionics / GPS | Garmin GNS 530 |
| Avionics / Transponder | Garmin GTX 345, Garmin GTX330 |
| Avionics / Other | Garmin GI 275, Garmin GNS-530W, Garmin G600 |
| Inspection | Annual |
Description
Detailed Description Attractive, well equipped, well maintained 421B with Garmin G600 TXi, GNS 530W, GI 275, GNC 255A, GTX 345 ADS-B In/Out, GTX 330ES, GMA 345 Bluetooth audio, S-Tec 3100 autopilot w/flight director and FIKI option, JPI EDM 790 color engine analyzer. Owner upgrading to a jet. Additional Features: • Overhauled right evaporator blower motor installed 06/25/2024 • New Concord RG24-20 battery installed 05/29/2024 • Cessna Auxiliary Kit AK414-34 rudder gust lock installed 05/07/2024 • SMR Technologies Ice Shield deice boots installed on left and right inboard wings, left and right horizontal stabilizers 05/07/2024 per STC SA02003NY • Overhauled left engine outboard exhaust assembly installed 05/07/2024 • Pressurization system door seals and ducts replaced, dump, outflow and safety valves serviced 07/14/2023 • Windshield heat DC heat module replaced 06/22/2023 • Micro Aerodynamics wing and rudder vortex generators and left and right engine strakes installed 03/16/2023 per STC SA00514SE • BNC Aerospace door snubber installed 03/16/2023 per STC SA2440SW • Pilot storm window replaced 03/16/2023 • Right engine overhauled Hartzell starter installed 09/08/2022 • Whelen LED landing, taxi lights installed 07/07/2022 • Whelen LED wingtip, lower fuselage, tail cone and top rudder strobe, nav and anti-collision lights installed 04/22/2022 • Lee Aerospace refurbished cabin windows and installed new right windshield, right cockpit side window, and storm windows 12/17/2021 • Left and right brake discs, pads and shims replaced with new 03/30/2021 • Cessna Service Kit SK414-BE wing rib modification main landing gear side brace installed on left and right wings 02/25/1998 • Cessna Service Kit SK421-119B1 and -119B2 glass D.C. windshield installed 03/17/1989 • Brackett air filter assemblies installed 06/03/1987 per STC SA71GL • J. B. Systems freon air conditioning system installed 10/12/1973 per STC A7CE • FIKI equipped • Heated pilot windshield • Surface deicing boots (condition 7 out of 10) and hot props • Spacious nose baggage compartment left and right side accessible • Aileron, rudder and elevator trim • Alternate static air source • Right side cabin side emergency exit window • Heated pitot static head • Pilot and copilot cockpit storm window • External ground power receptacle • Parking brake Inspection: • Annual inspection due by 05/01/2027 • IFR recertification due by 06/30/2027 • ELT battery replacement next due by 06/30/2029 • Oxygen cylinder hydrostatic test due 11/30/2026 Logbooks: • All original and complete airframe and engine logbooks • Propeller logbooks start with overhauls at 10/12/2008 Repairs: • 10/30/2018 prop strike existing engines repaired @ 506.2 SFRM • 10/13/1988 prop strike repairs (non-structural, old engines not on airframe) • 11/01/1986 airframe, engine and prop repairs made by Beegles Aircraft Svc., (see airframe logbook this date) • 01/17/1984 airframe, engine and prop repairs made by Beegles Aircraft Svc., (see airframe logbook this date) Details: • Registration: N477MG • Serial Number: 421B-0477 • Airframe Time: 8,881 hours total time since new • Price: $329,000 USD • Location: Caldwell Executive Airport (KEUL), Caldwell, ID Specifications: • Wingspan: 41' 9" • Length: 36' 1" • Height: 11' 6" • Gross Weight: 7,450 lbs. • Useful Load: 2,299.4 lbs. actual • Fuel Capacity: 248-gallon capacity (244 gals usable, extended range w/aux tanks)
Modifications
Left Engine: • Teledyne Continental Motors GTSIO-520-C-C-H, 375 HP, msn: 155564-R • 520 hours SFRM; 1,600-hour TBO • Factory remanufactured by TCM 02/05/1997 • 14 hours since conversion to GTSIO-520-C-C-H • Engine converted by Certified Engines Unlimited 12/22/2024 • Overhauled magnetos (09/18/2024) installed 12/22/2024 @ 506.2 SFRM • Turbocharger & wastegate overhauled by Main Turbo Systems 03/01/2025 Right Engine: • Teledyne Continental Motors GTSIO-520-C-C-H, 375 HP, msn: 155565-R • 520 hours SFRM; 1,600-hour TBO • Factory remanufactured by TCM 02/04/1997 • 14 hours since conversion to GTSIO-520-C-C-H • Engine converted by Certified Engines Unlimited 12/22/2024 • Overhauled magnetos (08/05/2024) installed 12/22/2024 @ 506.2 SFRM • Wastegate overhauled by Main Turbo Systems 03/01/2025 Left Propeller: • McCauley 3AF37C516/G90LFB-0 electrothermal deice, sn: 001149 • 807 hours SPOH; 2,000-hour TBO • Propeller overhauled by Air Prop Specialists 11/14/2013 • 14 hours since prop & governor flush by Precision Prop. Service 02/12/2025 Right Propeller: • McCauley 3AF37C516/G90LFB-0 electrothermal deice, sn: 001156 • 807 hours SPOH; 2,000-hour TBO • Propeller overhauled by Mid Florida Aircraft Propeller 01/10/2015 • 14 hours since prop & governor flush by Precision Prop. Service 02/12/2025
Avionics
Avionics & Instrumentation: • Audio Panel: Garmin GMA 345 Bluetooth audio panel with 3LMB • EFIS: Garmin G600 TXi electronic flight information system • EFI: Garmin GI 275 ADAHRS standby ADI • GPS/Nav/Com: Garmin GNS 530W WAAS GPS/Nav/Com • Nav/Com: Garmin GNC 255A Nav/Com • iPad Mount: Guardian Avionics • Autopilot/FD: S-Tec 3100 autopilot/flight director system with trim module, altitude hold, preselect, alerter, yaw damper and FIKI option kit • Transponder #1: Garmin GTX 345 ADS-B In/Out • Transponder #2: Garmin GTX 330ES Mode ES extended squitter transponder • Encoding Alt.: Aerosonic encoding altimeter • Engine Analyzer: JPI EDM 790 color engine analyzer • ELT: ACK ELT with panel mounted switch and indicator • ICS: GMA 345 with pilot and copilot Bose powered and standard jacks • Hour Meter: Datcon recording hour meter • Aux power: Auxiliary lighter port with two USB power ports • Pilot control yoke with PTT, electric trim, go around, CWS and map light switches • Copilot control yoke PTT and map light switches
How this aircraft compares
Where this CESSNA 421B lands versus other CESSNA 421B listings on fyiAero.
Price
53rd pct$329k · 53rd percentile of 15 listings
Airframe time
81st pct8,881 hours total (TTAF) · 81st percentile of 16 listings
Engine time (Engine 1)
38th pct520 hours since factory reman · 38th percentile of 16 listings
Engine time (Engine 2)
31st pct520 hours since factory reman · 31st 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.