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1971 CESSNA 421B
Starts from the median asking price of 18 comparable Cessna 421B listings ($329,000), then adjusts for:
- Year -2 vs comparable listings -3.0%
- Airframe time -3,106 hr vs comps +6.2%
- Engine time +384 hr vs comps -5.4%
- Modern GPS navigator (78% of comps) +3.1%
- Autopilot (83% of comps) +0.5%
- ADS-B (67% of comps) +0.9%
- Market supply: 18 for sale of 224 FAA-registered -1.7%
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 | 3,560 hrs |
| Engine time | 926 SMOH |
| Prop blades | 3 |
| Avionics / GPS | Garmin GNS 530 |
| Avionics / Transponder | Garmin GTX 330ES |
| Avionics / Nav / com radio | King KX 155 |
| Avionics / GPS / datalink | TRIG TN72 |
| Avionics / GPS / nav | GNS 530W |
| Avionics / Autopilot | STEC |
| ADS-B | Yes |
| Inspection | Annual |
Description
Reduced! Very well maintained C421B. PS Engineering Audio Panel, Garmin 530W, GTX 330 ES, KX155, STEC 55X auto pilot, May 24 annual. Electric 134 converted Air Conditioning (you can run on the ground without engines) We have known this plane for 20 years. It has served 3 different owners very well. All original logbooks since new. Might consider single engine in trade. Documents: - N234DA March 2025 LOG ENTRIES wingtips, Starter, Alternator.pdf: https://media.sandhills.com/doc.axd?id=10004496784&p=&ext=.pdf&dl=False&wt=False&checksum=7Jdb61oWMZCnYASBYltetpJjOeq8pKYxD7SpnGL7CK5lXqDq8VkAZcU7S29Y9rqHyoGoaWP4GxA%3d - Annual Insspection 2025 N234DS LOG ENTRIES AND TB REPAIR.pdf: https://media.sandhills.com/doc.axd?id=10004496774&p=&ext=.pdf&dl=False&wt=False&checksum=7Jdb61oWMZAztyhajkPl2grN1So5ZbFhToWQS5gVQUoxYWtR6DYvwkXcaYPuNvJ4UYfkJcjyX4A%3d - W & B N234DA.JPEG: https://media.sandhills.com/doc.axd?id=9032775737&p=&ext=.JPEG&dl=False&wt=False&checksum=kauoXSyEDei7mKN8ri%2bWt8ohZxT0pgKNtENowQB3lL1AnySyncHlumi6I0UQdNy8AOq8viidkOc%3d - AW N234DA SN 421B1022.pdf: https://media.sandhills.com/doc.axd?id=9031915502&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxU%2fGx%2blPmWtnCWG558xqW6QbZL%2bLb7gLrPUSqS1EEt9H8Scz1Or0PBMrnAHA1eGB2k%3d - RH Propeller Logbook 6.9.2006 - 5.16.2024.pdf: https://media.sandhills.com/doc.axd?id=9031915346&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxVKn2pi%2fSHsVp3g3bu5jEP%2bnryqDv31APUyBGPp8TN72ZraBuLqEvnDQ9IEiIBRSIA%3d - LH Propeller Logbook 6.27.2006 - 4.12.2023.pdf: https://media.sandhills.com/doc.axd?id=9031915262&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxWa5MgE3YrEH8x2cS1bpZJJI2qr746K998JynyCnZk0qMEGvXpraG3HdkWqhCMiQ%2fo%3d - RH Logbook #3 10.5.2010 - 5.16.2024.pdf: https://media.sandhills.com/doc.axd?id=9031914747&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxVZCVyOOjFkYG%2bnKg9RIMHFjwifzRWVrA%2bWlsKTRA7JZeUNMjDB4b7Lz%2bDjiJMwvGo%3d - RH Logbook #2 2.11.1993 - 5 1 2009.pdf: https://media.sandhills.com/doc.axd?id=9031914718&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxV%2bQKFqF68uLKnvI0wQW66xtSbD110X%2bCJVkQ9no0YA3mwYihmYqvNSQ22II1aU8LU%3d - LH Engine Logbook #2 6.9.2006 - 5.16.2024.pdf: https://media.sandhills.com/doc.axd?id=9031914643&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxV%2fT2K9FNWtCxsrvHWdDWLTKDutTObx8gAk06gX%2fgMTc7HyY%2f8QEnzfY0BbDKlAULg%3d - AF Logbook #4 10.1.2002 - 5.22.2024.pdf: https://media.sandhills.com/doc.axd?id=9031914572&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxXAx4JzPlJJD5GJnpGUXFIVsznwdN%2fBqikj8TRMi5vb8ozR6mWRfyDsGQFLj3SXSoQ%3d - AF Logbook #3 Part Two 11.24.1997 - 5.25.2004.pdf: https://media.sandhills.com/doc.axd?id=9031914454&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxWPIbZTCWxbCjgqugefftjkEcDVF6t3nzC8fEM9AaE00J7aKTSn47n2U8wtJXjmqHs%3d - AF Logbook #3 Part One 2.5.1993 - 10.30.1997.pdf: https://media.sandhills.com/doc.axd?id=9031914347&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxWbNfyTBBfqW4qa5R0QYpBFmJESyJ3PMqLQTjaU3UagWEHYBJHHH0G3BO45x0iJgZ8%3d - AF Logbook #2 2.28.1978 - 12.6.1991.pdf: https://media.sandhills.com/doc.axd?id=9031914172&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxXo99WYOsqqJmeeWlqLsLH0jdmCPb4yPE5YHBVvaG60We8PGgqKZOiJGxvGZ%2baSGys%3d - AF Logbook #1 5.13.1971 - 2.23.1978 -.pdf: https://media.sandhills.com/doc.axd?id=9031913937&p=&ext=.pdf&dl=False&wt=False&checksum=87WK5kLJGxUMWwiiWv22smVWtjdUZMc5ccxVcDOTgOFEcyuS%2fA2fo6IfwjBcrxGsnRbo7Uf0i%2f4%3d
Modifications
Electric Air-conditioning Electric Air Works great! JPI Engine Monitor Hoskins 2,000 fuel flow totalizer
Avionics
PS Engineering Audio Panel Garmin GNS 530W KX155 Garmin GTX 330 ES, STEC 55X auto pilot
Recommended avionics upgrades
A GNS 530 is a drop-in upgrade to the GTN 750Xi — bigger touchscreen, WAAS/LPV, and modern nav/comm/MFD.
See prices & suppliers ›Suggestions are based on the panel described in this listing; verify STC approval for this make/model before any installation.
Service Difficulty Reports (SDRs)
Checking FAA service difficulty reports…
Airworthiness Directives (ADs)
Checking airworthiness directives…
How this aircraft compares
Where this Cessna 421B lands versus other Cessna 421B listings on fyiAero.
Price
11th pct$135k · 11th percentile of 18 listings
Airframe time
5th pct3,560 hours total (TTAF) · 5th percentile of 19 listings
Engine time (Engine 1)
84th pct926 hours since major overhaul · 84th percentile of 19 listings
Engine time (Engine 2)
84th pct1,350 hours since major overhaul · 84th percentile of 19 listings
Percentile = share of comparable listings at or below this value. Lower airframe/engine hours are generally fresher; price reflects the asking price only.
Documents
- 📄 N234DA March 2025 LOG ENTRIES wingtips, Starter, Alternator.pdf
- 📄 Annual Insspection 2025 N234DS LOG ENTRIES AND TB REPAIR.pdf
- 📄 W & B N234DA.JPEG
- 📄 AW N234DA SN 421B1022.pdf
- 📄 RH Propeller Logbook 6.9.2006 - 5.16.2024.pdf
- 📄 LH Propeller Logbook 6.27.2006 - 4.12.2023.pdf
- 📄 RH Logbook #3 10.5.2010 - 5.16.2024.pdf
- 📄 RH Logbook #2 2.11.1993 - 5 1 2009.pdf
- 📄 LH Engine Logbook #2 6.9.2006 - 5.16.2024.pdf
- 📄 AF Logbook #4 10.1.2002 - 5.22.2024.pdf
- 📄 AF Logbook #3 Part Two 11.24.1997 - 5.25.2004.pdf
- 📄 AF Logbook #3 Part One 2.5.1993 - 10.30.1997.pdf
- 📄 AF Logbook #2 2.28.1978 - 12.6.1991.pdf
- 📄 AF Logbook #1 5.13.1971 - 2.23.1978 -.pdf
General
| Year | 1971 |
|---|---|
| Manufacturer | CESSNA |
| Model | 421B |
| Serial Number | 421B0122 |
| Registration # | N234DA |
| Condition | Used |
| FlightRules | IFR |
| Based at | KRVS |
Airframe
| Total Time | 3,560 |
|---|---|
| Range | 800 NM |
| Fuel Capacity Volume | 225 gal |
| Auxiliary Fuel Tank | Yes |
| Complete Logs | Yes |
Engine 1
| Engine 1 Make/Model | CONTINENTAL |
|---|---|
| Engine 1 Serial Number | 218267-R |
| Engine 1 Horsepower | 375 HP |
| Engine 1 Time | 926 SMOH |
| Engine 1 TBO | 1600 |
| Engine 1 Turbocharged | Yes |
Engine 2
| Engine 2 Make/Model | CONTINENTAL TSIO520H |
|---|---|
| Engine 2 Serial Number | 218382-R |
| Engine 2 Horsepower | 375 HP |
| Engine 2 Time | 1,350 SMOH |
| Engine 2 TBO | 1600 |
| Engine 2 Turbocharged | Yes |
Props
| Prop 1 Manufacturer | MCCAULEY |
|---|---|
| Prop 1 Model | 3AF34C92 |
| Prop 1 Time | 926 |
| Prop 2 Manufacturer | MCCAULEY |
| Prop 2 Time | 926 |
| Number of Blades | 3 |
| Blade Composition | Aluminum |
Avionics
| ADS-B Equipped | Yes |
|---|---|
| WAAS | Yes |
| LPV | Yes |
| Avionics/Radios | PS Engineering Audio Panel Garmin GNS 530W KX155 Garmin GTX 330 ES, STEC 55X auto pilot |
Additional Equipment
| Pressurized | Yes |
|---|---|
| Oxygen System | Yes |
| Inadvertent Ice Protection | Yes |
| A/C | Yes |
| Additional Equipment | Electric Air Works great! JPI Engine Monitor Hoskins 2,000 fuel flow totalizer |
Modifications/Conversions
| Modifications/Conversions | Electric Air-conditioning |
|---|
Interior
| Number of Seats | 6 |
|---|---|
| Lavatory | Yes |
| Configuration | Passenger |
Inspection Status
| Inspection Status | Annual due August 1, 2026 IFR 411/413 due May 1, 2026 |
|---|
Service Logs
| Miscellaneous | N234DA March 2025 LOG ENTRIES wingtips, Starter, Alternator.pdf Annual Insspection 2025 N234DS LOG ENTRIES AND TB REPAIR.pdf W & B N234DA.JPEG AW N234DA SN 421B1022.pdf |
|---|---|
| Engine | RH Propeller Logbook 6.9.2006 - 5.16.2024.pdf LH Propeller Logbook 6.27.2006 - 4.12.2023.pdf RH Logbook #3 10.5.2010 - 5.16.2024.pdf RH Logbook #2 2.11.1993 - 5 1 2009.pdf LH Engine Logbook #2 6.9.2006 - 5.16.2024.pdf |
| Aircraft | AF Logbook #4 10.1.2002 - 5.22.2024.pdf AF Logbook #3 Part Two 11.24.1997 - 5.25.2004.pdf AF Logbook #3 Part One 2.5.1993 - 10.30.1997.pdf AF Logbook #2 2.28.1978 - 12.6.1991.pdf AF Logbook #1 5.13.1971 - 2.23.1978 -.pdf |
Operating costs & specifications — Cessna 421
Typical model-level figures for the Cessna 421 (not this specific airframe).
Performance & dimensions
| Range | 826 nm |
|---|---|
| Cruise speed | 222 kts · 255 mph |
| Takeoff / landing | 2012.0 / 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 N234DA. More flight tracking ›
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