1978 Cessna 421C
Multi Engine Piston
Aircraft Details
Seller reportedAvionics & Equipment
Blue Leather Upholstery w/ Matching Carpet & Sidepanels Dove Gray Headliner Executive Table & Refreshment Center Seventh Seat Potty Rated 7 to 7+
Exterior Professionally stripped acid etched washed Alodined primed and painted by Cimmaron Aircraft Corp. of El RenoOK (May 1997) Base coat: Jet Glo ‘Graystone’ 570-508 Accenting Blue & Red Stripes Trim coats: Top stripe: Acry Glo ‘Red’ 416 Center stripe: Acry Glo ‘Blue’ 10122 Bottom stripe: Acry Glo ‘Red’ 416 Rated 7+ to 8
Modifications & ConversionsFull De-Ice Equipped Keith Products STC’d Air-Conditioning System RAM STC’d Max Gross Takeoff Weight Increase to 7,560 lbs ! (STC # SA5981SW) RAM STC # SE8338SW-D (Locknuts on cylinder attach-ment studs and thru-bolts
& install 6 additional cylinder attachment studs onto engine crankcases. Turbo oil supply line relocated) RAM STC’d Bendix Pressurized Magnetos (STC # SE4591SW-D) RAM STC’d Floscan Fuel Flow Transducer (for Digital Fuel Flow Indication) (STC # SE5726SW-D) RAM STC’d Range-Marked EGT
CHT Oil Temperature& Oil Pressure Gauges (STC # SA5878SW) RAM STC’d Vacuum Pump Cooling Shroud on Right Engine Vacuum Pump (STC # SA3721SW-D) RAM STC’d Improved Engine Cooling Baffle and Improved Exhaust System Slip Joints (STC # SA4592SW) RAM STC’d Induction Hose Clamps (STC # SE3767SW)
Additional Equipment Full De-Ice EDescription
Cessna 421C – N421JF – SN:411
Cessna 421C RAM Golden Eagle
Airframe Total Time: 5691 AFTT
Year of Manufacture: 1978
Avionics Suite: Garmin G530 WAAS GTX 345
Additional Highlights: RAM Engine Conversion
Engines
Continental GTSIO-520-L
RAM Conversion
Total Time Since New: 5691 HRS
Time Since Overhaul: 1242/936 HRS
Time Before Overhaul: 1600 Hours
Propellers
Left Prop Time Since Overhaul: 1856 HRS
Right Prop Time Since Overhaul:1856 HRS
Avionics
Garmin GNS-530W IFR Approach Certified GPS/Com
King KMA-24 Audio Panel
King KX-155 Digital Nav-Com w/ VOR/LOC
Century NSD-360 Slaved HSI
Mid-Continent MD41-828 Annunciator/Selector Switch for GPS
Bendix/King KWX-50 Weather Radar
King KR-87 Digital ADF w/ Flight Timer
King KN-63 Digital DME
Garmin GTX-345 Mode S Transponder (ADS-B Complaint)
Encoding Altimeter
Cessna 400B Autopilot w/ Hdg, GPS Nav Tracking, Pitch Mode, Altitude Hold Glideslope Coupling
Interior
Blue Leather Upholstery w/ Matching Carpet Sidepanels Dove Gray Headliner Executive Table Refreshment Center Seventh Seat Potty Rated 7 to 7+
Exterior
Professionally stripped, acid etched, washed, Alodined, primed and painted by Cimmaron Aircraft Corp. of El Reno, OK (May 1997) Base coat: Jet Glo ‘Graystone’ 570-508 Accenting Blue Red Stripes Trim coats: Top stripe: Acry Glo ‘Red’ 416 Center stripe: Acry Glo ‘Blue’ 10122 Bottom stripe: Acry Glo ‘Red’ 416 Rated 7+ to 8
Modifications Conversions
Full De-Ice Equipped Keith Products STC’d Air-Conditioning System RAM STC’d Max Gross Takeoff Weight Increase to 7,560 lbs ! (STC # SA5981SW) RAM STC # SE8338SW-D (Locknuts on cylinder attach-ment studs and thru-bolts, install 6 additional cylinder attachment studs onto engine crankcases. Turbo oil supply line relocated) RAM STC’d Bendix Pressurized Magnetos (STC # SE4591SW-D) RAM STC’d Floscan Fuel Flow Transducer (for Digital Fuel Flow Indication) (STC # SE5726SW-D) RAM STC’d Range-Marked EGT, CHT, Oil Temperature, Oil Pressure Gauges (STC # SA5878SW) RAM STC’d Vacuum Pump Cooling Shroud on Right Engine Vacuum Pump (STC # SA3721SW-D) RAM STC’d Improved Engine Cooling Baffle and Improved Exhaust System Slip Joints (STC # SA4592SW) RAM STC’d Induction Hose Clamps (STC # SE3767SW)
Additional Equipment
Full De-Ice Equipped Keith Products STC’d Air-Conditioning System RAM STC’d Max Gross
Takeoff Weight Increase to 7,560 lbs ! (STC # SA5981SW) RAM STC # SE8338SW-D (Locknuts
on cylinder attachment studs and thru-bolts, install 6 additional cylinder attachment studs
onto engine crankcases. Turbo oil supply line relocated) RAM STC’d Bendix Pressurized
Magnetos (STC # SE4591SW-D) RAM STC’d Floscan Fuel Flow Transducer (for Digital Fuel
Flow Indication) (STC # SE5726SW-D) RAM STC’d Range-Marked EGT, CHT, Oil Temperature,
Oil Pressure Gauges (STC # SA5878SW) RAM STC’d Vacuum Pump Cooling Shroud on Right
Engine Vacuum Pump (STC # SA3721SW-D) RAM STC’d Improved Engine Cooling Baffle and
Improved Exhaust System Slip Joints (STC # SA4592SW) RAM STC’d Induction Hose Clamps
(STC # SE3767SW) Engine Fire Extinguishing System (New Squibs installed on LH RH Fire
Bottles in October 2016) Emergency Landing Gear Extension System. Electric Pitch Trim Large
Nose Baggage Compartment Right-Hand Executive Writing Table Refreshment Center Belted
Potty Seat Left Right Wing Locker Fuel Tanks Passenger Oxygen System. Engine Oil Filters
Right-Hand Propeller Governor Syncrophaser Dual 100-Amp Alternators Dual Artificial Horizons,
Airspeed Indicators, Altimeters, and Vertical Speed Indicators Strobe Lights Alcor EGT
Gauges Artex 406 Hz ELT System. Hobbs Meter Pilot Co-Pilot Inertia Reel Shoulder Harnesses
Overhauled Pilot’s Nav Indicator #1, Attitude Indicator, Dry Air Pump in May 2016
All New Pilot Co-Pilot’s Windshields, Side Windows, Foul Weather Windows in January
2001 New Cabin Windows at the Left Side First Passenger Seat, Right Side First Second
Passenger Seats in January 2001 Exhaust AD # 2000-1-16 para. ‘G’ c/w in Aug 2013 w/ New
Turbo ‘Y’ Assembly, Wastegate Elbow, Overboard Exhaust Stacks, Slip Joints, Seals, Clamps
Engine
Continental GTSIO-520-L RAM Conversion Total Time Since New: 5691 HRS Time Since Overhaul: 1242/936 HRS Time Before Overhaul: 1600 Hours Propellers Left Prop Time Since Overhaul: 1856 HRS Right Prop Time Since Overhaul:1856 HRS Avionics Garmin GNS-530W IFR Approach Certified GPS/Com King KMA-24 Audio Panel King KX-155 Digital Nav-Com w/ VOR/LOC Century NSD-360 Slaved HSI Mid-Continent MD41-828 Annunciator/Selector Switch for GPS Bendix/King KWX-50 Weather Radar King KR-87 Digital ADF w/ Flight Timer King KN-63 Digital DME Garmin GTX-345 Mode S Transponder (ADS-B Complaint) Encoding Altimeter Cessna 400B Autopilot w/ Hdg, GPS & Nav Tracking, Pitch Mode, Altitude Hold & Glideslope Coupling Interior Blue Leather Upholstery w/ Matching Carpet & Sidepanels Dove Gray Headliner Executive Table & Refreshment Center Seventh Seat Potty Rated 7 to 7+ Exterior Professionally stripped, acid etched, washed, Alodined, primed and painted by Cimmaron Aircraft Corp. of El Reno, OK (May 1997) Base coat: Jet Glo ‘Graystone’ 570-508 Accenting Blue & Red Stripes Trim coats: Top stripe: Acry Glo ‘Red’ 416 Center stripe: Acry Glo ‘Blue’ 10122 Bottom stripe: Acry Glo ‘Red’ 416 Rated 7+ to 8 Modifications & Conversions Full De-Ice Equipped Keith Products STC’d Air-Conditioning System RAM STC’d Max Gross Takeoff Weight Increase to 7,560 lbs ! (STC # SA5981SW) RAM STC # SE8338SW-D (Locknuts on cylinder attach-ment studs and thru-bolts, & install 6 additional cylinder attachment studs onto engine crankcases. Turbo oil supply line relocated) RAM STC’d Bendix Pressurized Magnetos (STC # SE4591SW-D) RAM STC’d Floscan Fuel Flow Transducer (for Digital Fuel Flow Indication) (STC # SE5726SW-D) RAM STC’d Range-Marked EGT, CHT, Oil Temperature, & Oil Pressure Gauges (STC # SA5878SW) RAM STC’
Interior
Blue Leather Upholstery w/ Matching Carpet & Sidepanels Dove Gray Headliner Executive Table & Refreshment Center Seventh Seat Potty Rated 7 to 7+ Exterior Professionally stripped, acid etched, washed, Alodined, primed and painted by Cimmaron Aircraft Corp. of El Reno, OK (May 1997) Base coat: Jet Glo ‘Graystone’ 570-508 Accenting Blue & Red Stripes Trim coats: Top stripe: Acry Glo ‘Red’ 416 Center stripe: Acry Glo ‘Blue’ 10122 Bottom stripe: Acry Glo ‘Red’ 416 Rated 7+ to 8 Modifications & Conversions Full De-Ice Equipped Keith Products STC’d Air-Conditioning System RAM STC’d Max Gross Takeoff Weight Increase to 7,560 lbs ! (STC # SA5981SW) RAM STC # SE8338SW-D (Locknuts on cylinder attach-ment studs and thru-bolts, & install 6 additional cylinder attachment studs onto engine crankcases. Turbo oil supply line relocated) RAM STC’d Bendix Pressurized Magnetos (STC # SE4591SW-D) RAM STC’d Floscan Fuel Flow Transducer (for Digital Fuel Flow Indication) (STC # SE5726SW-D) RAM STC’d Range-Marked EGT, CHT, Oil Temperature, & Oil Pressure Gauges (STC # SA5878SW) RAM STC’d Vacuum Pump Cooling Shroud on Right Engine Vacuum Pump (STC # SA3721SW-D) RAM STC’d Improved Engine Cooling Baffle and Improved Exhaust System Slip Joints (STC # SA4592SW) RAM STC’d Induction Hose Clamps (STC # SE3767SW) Additional Equipment Full De-Ice Equipped Keith Products STC’d Air-Conditioning System RAM STC’d Max Gross Takeoff Weight Increase to 7,560 lbs ! (STC # SA5981SW) RAM STC # SE8338SW-D (Locknuts on cylinder attachment studs and thru-bolts, & install 6 additional cylinder attachment studs onto engine crankcases. Turbo oil supply line relocated) RAM STC’d Bendix Pressurized Magnetos (STC # SE4591SW-D) RAM STC’d Floscan Fuel Flow Transducer (for Digital Fuel Flow Indication) (STC # SE5726SW-D) RAM STC’d Range-Marked EGT
Exterior
Professionally stripped, acid etched, washed, Alodined, primed and painted by Cimmaron Aircraft Corp. of El Reno, OK (May 1997) Base coat: Jet Glo ‘Graystone’ 570-508 Accenting Blue & Red Stripes Trim coats: Top stripe: Acry Glo ‘Red’ 416 Center stripe: Acry Glo ‘Blue’ 10122 Bottom stripe: Acry Glo ‘Red’ 416 Rated 7+ to 8 Modifications & Conversions Full De-Ice Equipped Keith Products STC’d Air-Conditioning System RAM STC’d Max Gross Takeoff Weight Increase to 7,560 lbs ! (STC # SA5981SW) RAM STC # SE8338SW-D (Locknuts on cylinder attach-ment studs and thru-bolts, & install 6 additional cylinder attachment studs onto engine crankcases. Turbo oil supply line relocated) RAM STC’d Bendix Pressurized Magnetos (STC # SE4591SW-D) RAM STC’d Floscan Fuel Flow Transducer (for Digital Fuel Flow Indication) (STC # SE5726SW-D) RAM STC’d Range-Marked EGT, CHT, Oil Temperature, & Oil Pressure Gauges (STC # SA5878SW) RAM STC’d Vacuum Pump Cooling Shroud on Right Engine Vacuum Pump (STC # SA3721SW-D) RAM STC’d Improved Engine Cooling Baffle and Improved Exhaust System Slip Joints (STC # SA4592SW) RAM STC’d Induction Hose Clamps (STC # SE3767SW) Additional Equipment Full De-Ice Equipped Keith Products STC’d Air-Conditioning System RAM STC’d Max Gross Takeoff Weight Increase to 7,560 lbs ! (STC # SA5981SW) RAM STC # SE8338SW-D (Locknuts on cylinder attachment studs and thru-bolts, & install 6 additional cylinder attachment studs onto engine crankcases. Turbo oil supply line relocated) RAM STC’d Bendix Pressurized Magnetos (STC # SE4591SW-D) RAM STC’d Floscan Fuel Flow Transducer (for Digital Fuel Flow Indication) (STC # SE5726SW-D) RAM STC’d Range-Marked EGT, CHT, Oil Temperature, & Oil Pressure Gauges (STC # SA5878SW) RAM STC’d Vacuum Pump Cooling Shroud on Right Engine Vacuum Pump (STC # SA3721SW-D) RAM STC
Description and equipment details provided by the seller. AeroGurus does not verify seller-provided information.
Price Comparison
| Source | Price | Location | Listed | Days on Market | Status | Action |
|---|---|---|---|---|---|---|
|
Daniel Chavarria
avpay.aero
|
$319,000
|
CA | Mar 21, 2026 | 118 days | Active |
Estimate Monthly Payment
Cessna 421C loan calculator
AeroGurus Data & Analysis
Independent data from FAA, NTSB, and market analysis
About This Cessna 421C
This 1978 Cessna 421C is a 8-seat multi engine piston with 5,691 hours on the airframe. There are currently 70 421C aircraft listed for sale with asking prices ranging from $100,000 to $749,000. This aircraft is priced below the market average at $319,000.
The 421C cruises at 230 kts (426 km/h) with a range of 1,385 nm (2,565 km) — suitable for regional and medium-distance travel. Service ceiling of 30,200 ft allows operation above most weather.
Operating costs: Fuel burn is 35 GPH (132 L/h), which at current 100LL avgas prices (~$6.20/gal) means approximately $217/hr in fuel alone. Total variable cost including maintenance reserves is approximately $400/hr. Annual fixed costs (hangar, insurance, crew, annual inspection) average $35,000. With 5,691 hours on the airframe, this aircraft has exceeded TBO (1,600 hrs) — verify engine status and overhaul reserve.
NTSB records show 0 incidents for this airframe — a clean safety record. There are 2 airworthiness directives applicable to this aircraft type — review AD compliance carefully before purchase. Mechanics have filed 10 service difficulty reports for this type — common maintenance items to discuss during pre-buy.
Pre-Purchase Checklist
Cessna 421C — Model Specs
Model specificationStandard specs for this model. Actual aircraft may differ.
Estimated Cost of Ownership
AeroGurus estimateCESSNA 421C
AeroGurus estimates based on industry averages for the CESSNA 421C. Actual costs vary by location, usage, maintenance history, and configuration. Not a financial quote.
Ownership & Registration
Registration number not available.
Location & Ownership
Title Status
No FAA title records
Available for US-registered aircraft only
Source: FAA Aircraft Registry, FAA Civil Aviation Registry (DocIndex). Title data may be delayed. Always verify with an aviation attorney before purchase.
Safety Record
NTSB safety data coming soon.
Airworthiness Directives — Cessna 421C
ADs are mandatory safety instructions issued by the FAA. 2 recent ADs found for this aircraft type.
The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 Airplanes
View full AD →Cessna Aircraft Company Models T303, 402C, 404, 414A, and 421C Airplanes
View full AD →Source: FAA Airworthiness Directives database. Showing most recent ADs for this aircraft type.
Service Difficulty Reports — Cessna 421C
SDRs are reports filed by mechanics about problems found during maintenance. 10 recent reports for this aircraft type.
LEFT WING FORWARD SPAR, OUTBOARD UPPER AFT-FACING WING ATTACH FITTING WAS FOUND TO BE CRACKED WITHIN GEAR WELL. THE PART IS SHOWN IN THE 421C IPC, SECTION 03-50, PAGE 16, ITEM 6. THE CRACK MEASURES ROUGHLY 5-1/8" AND RUNS HORIZONTALLY ACROSS SEVEN RI...
SHORTLY AFTER FUELING AIRCRAFT WITH GAMI G100UL BOTH MAIN TANKS STARTED LEAKING FROM MOST INSPECTION PANELS. ALSO A FUNCTIONAL CHECK OF THE FUEL SELECTOR VALVES INDICATES THAT THE RIGHT ENGINE SELECTOR VALVE IS STUCK IN POSITION.
RIGHT PROP GOVERNOR FAILED APPROACHING LEVEL OFF FROM CLIMB. ENGINE SPIKED TO OVER 6,000 RPM, ENGINE RUINED, BROUGHT PROP CONTROL BACK TO NO AVAIL. THROTTLE BACK AND MIXTURE BACK TO GET ENGINE RPM DOWN. VISUAL PROP COMPLETELY ?AT, PROP WOULD NOT F...
INSTALLED A NEW DISC ON LT MLG. LT BRAKE PEDAL FLUCTUATES. CHECKED DISC, & FOUND TO BE .020 DIFFERENCE IN THICKNESS FROM ONE SIDE TO THE OTHER. PART NOT MACHINED PROPERLY.
AN OCCURRENCE WAS REPORTED THAT HAPPENED AT RALEIGH AIRPORT (RDU), ON THE 05/09/2023 AT 1715 EDT. THE SAID AIRCRAFT, N382BW HAD JUST GOTTEN AIRBORNE AND RECEIVED AN ADVISORY FROM ATC THAT SMOKE WAS STREAMING FROM THE LEFT ENGINE. AIRSPEED WAS AT 97 K...
WHILE IN CRUISE FLIGHT AT 19,000 FT, PILOT NOTICED THE RIGHT ENGINE SURGING. HE SUSPECTED IT WAS A FAILED FUEL PUMP AND WHILE ATTEMPTING TO REMEDY THE SITUATION, HE THEN NOTICED MAP DROPPING AND A COMPLETE LOSS OF OIL PRESSURE. THAT IS WHEN HE DECIDE...
WHEN PERFORMING TEST OF ALTERNATE STATIC SYSTEM, THE INSTRUMENTS WOULD NOT SHOW A CLIMB OR DESCENT. THE AIR DATA TEST SET BEHAVED AS THOUGH THERE WAS A MASSIVE STATIC LEAK OR DISCONNECTED LINE. WHEN THE TEST SET WAS CONNECTED TO THE STATIC PORTS ON...
PILOT NOTED THAT RIGHT ALTERNATOR FAILED IN FLIGHT. POST FLIGHT INSPECTION FOUND ENGINE GEAR, ALTERNATOR DRIVE, RETAINING BOLTS WERE NOT INSTALLED AND TWO WERE FOUND RESTING ON THE ALTERNATOR MOUNTING POINT INSIDE ENGINE CASE. OTHER TWO BOLTS WERE ...
INSPECTED REAR SPAR AND FOUND CORROSION ON AFT SPAR RT SIDE WHERE DOUBLE PLATE IS RIVETED TO SPAR. INTERGRANULAR CORROSION BETWEEN THE DOUBLE AND SPAR. ALSO NOTED RIVETS ARE POPPING OFF DUE TO THE SEVERE CORROSION.
AFT NACELLE CROSS BEAM CRACKED AT OUTBOARD MOUNT FLANGE.
Source: FAA Service Difficulty Reporting System. Shows maintenance issues reported by mechanics for this aircraft type.
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