General
Year
1973
Manufacturer
Model
Serial Number
421B-0477
Registration #
N477MG
Condition
Used
Based at
ISM
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.
Airframe
Total Time
8,901
Auxiliary Fuel Tank
Yes
Complete Logs
Yes
Airframe Notes
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)
Engine 1
Engine 1 Time
540 SFRM
Engine 1 TBO
1600
Engine 1 Turbocharged
Yes
Engine 1 Notes
Left Engine:
• Teledyne Continental Motors GTSIO-520-C-C-H, 375 HP, msn: 155564-R
• 540 hours SFRM; 1,600-hour TBO
• Factory remanufactured by TCM 02/05/1997
• 34 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
Engine 2
Engine 2 Time
540 SFRM
Engine 2 TBO
1600
Engine 2 Turbocharged
Yes
Engine 2 Notes
Right Engine:
• Teledyne Continental Motors GTSIO-520-C-C-H, 375 HP, msn: 155565-R
• 540 hours SFRM; 1,600-hour TBO
• Factory remanufactured by TCM 02/04/1997
• 34 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
Props
Prop 1 Time
827 SOH
Prop 2 Time
827 SOH
Prop Notes
Left Propeller:
• McCauley 3AF37C516/G90LFB-0 electrothermal deice, sn: 001149
• 827 hours SPOH; 2,000-hour TBO
• Propeller overhauled by Air Prop Specialists 11/14/2013
• 34 hours since prop & governor flush by Precision Prop. Service 02/12/2025
Right Propeller:
• McCauley 3AF37C516/G90LFB-0 electrothermal deice, sn: 001156
• 827 hours SPOH; 2,000-hour TBO
• Propeller overhauled by Mid Florida Aircraft Propeller 01/10/2015
• 34 hours since prop & governor flush by Precision Prop. Service 02/12/2025
Modifications/Conversions
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
Exterior
Year Painted
2015
Exterior Notes
Exterior:
• Aircraft refinished in 2015
• Overall white with gray, black and silver trim and accents
• Engine nacelle lockers
• Condition 6 (Professional Aircraft Appraisal Organization Exterior Paint Grading Guide)
Interior
Year Interior
2015
Number of Seats
7
Lavatory
Yes
Configuration
Passenger
Interior Notes
Interior:
• Interior refurbished in 2015
• Cabin entryway light
• Beige leather headliner
• Beige leather window trim
• Beige and dark beige leather side panels
• Fully articulating pilot and copilot beige leather seats with sheepskin inserts, stowable center armrests, shoulder harnesses and lap belts
• Four place club beige leather seats with headrests, stowable center armrests and lap belts
• Aft cabin beige leather belted lav seat
• Right and left side cabin stowable dark wood executive writing tables with dual cup holders
• Dark beige tweed floor carpeting with tweed carpeting runners
• Cockpit overhead air conditioning vents
• Overhead speaker
• Cabin overhead individual air conditioning vents and spot lights
• Aft cabin cargo/baggage area
• Condition 7 (Professional Aircraft Appraisers Organization Interior Grading Guide)
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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