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1973 CESSNA 421B
Starts from the median asking price of 15 comparable CESSNA 421B listings ($329,000), then adjusts for:
- Airframe time +1,342 hr vs comps -2.7%
- 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 | 8,901 hrs |
| Engine time | 540 SFRM |
| Avionics / flight deck | GARMIN G600 TXI |
| Avionics / GPS | Garmin GNS 530 |
| Avionics / Transponder | Garmin GTX 345, Garmin GTX330 |
| Avionics / Other | Garmin GI 275, Garmin GNS-530W, Garmin G600 |
| ADS-B | Yes |
| Annual | 05/01/2027 |
| Inspection | Annual |
Description
Details: • Registration: N477MG • Serial Number: 421B-0477 • Airframe Time: 8,901 hours total time since new • Price: $329,000 USD • Location: Kissimmee Gateway Airport (KISM), Orlando, FL 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
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
Avionics
• 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
88th pct8,901 hours total (TTAF) · 88th percentile of 16 listings
Engine time (Engine 1)
50th pct540 hours since factory reman · 50th percentile of 16 listings
Engine time (Engine 2)
38th pct540 hours since factory reman · 38th 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
| Year | 1973 |
|---|---|
| Manufacturer | CESSNA |
| Model | 421B |
| Serial Number | 421B-0477 |
| Registration # | N477MG |
| Condition | Used |
| Based at | ISM |
Airframe
| Total Time | 8,901 |
|---|---|
| Auxiliary Fuel Tank | Yes |
| Complete Logs | Yes |
Engine 1
| Engine 1 Time | 540 SFRM |
|---|---|
| Engine 1 TBO | 1600 |
| Engine 1 Turbocharged | Yes |
Engine 2
| Engine 2 Time | 540 SFRM |
|---|---|
| Engine 2 TBO | 1600 |
| Engine 2 Turbocharged | Yes |
Props
| Prop 1 Time | 827 SOH |
|---|---|
| Prop 2 Time | 827 SOH |
Avionics
| Flight Deck Manufacturer/Model | GARMIN G600 TXI |
|---|---|
| ADS-B Equipped | Yes |
| WAAS | Yes |
| LPV | Yes |
| Yaw Damper | Yes |
| Engine Monitor | Yes |
| Avionics/Radios | • 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 |
Additional Equipment
| Pressurized | Yes |
|---|---|
| Oxygen System | Yes |
| Flight Into Known Icing (FIKI) | Yes |
| Inadvertent Ice Protection | Yes |
| A/C | Yes |
| Additional Equipment | 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 |
Modifications/Conversions
| Vortex Generators | Yes |
|---|
Interior
| Year Interior | 2015 |
|---|---|
| Number of Seats | 7 |
| Lavatory | Yes |
| Configuration | Passenger |
Exterior
| Year Painted | 2015 |
|---|
Inspection Status
| Inspection Status | 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) |
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