1974 Cessna 310Q
Multi Engine Piston
Aircraft Details
Seller reportedDescription
Equipment Specifications Year 1974 Manufacturer CESSNA Model 310Q Price US $135,000 Location Cincinnati, Ohio / KLUK Condition Used Serial Number 310Q-984 Registration Number N122E Total Time 8844 Hours General Information 2168/2168 SMOH w/ 300 HP Colemill Conversion, Air Cool Electric Freon Air-Conditioning, Dual Garmin GNS-430 WAAS, S-Tex 55X AP, Aspen PDF/EFD1000, Avidyne MFD, XM Weather Radio, Garmin TIS Detailed Description This 1974 Cessna 310Q - 300 HP Colemill Executive 600 Conversion represents a great value in today's market with many of the options a new owner is looking for including, but not limited to, Freon Electric Air-conditioning ($35,000 Value Installed), Aspen EFD1000 (HSI FD), Dual Garmin GNS-430W (WAAS Capable), S-Tec 55X Auto-Pilot w/Altitude Pre-Select, Avidyne EX500 MFD, Garmin Traffic, Dual JPI Digital Engine Monitor, and De-ice System. 6 place supplemental oxygen system, Active yaw damper. With an asking price of $135,000 it is a realistic asking price in today's market for an aircraft that has so many upgrades. Airframe: 8844 Total Time Engine Specs: Left: 2168 SMOH (2000 TBO) Right: 2168 SMOH (2000 TBO) 300 HP Teledyne Continental IO-520-E Prop(s): Left: 254 SMOH Right: 275 SMOH McCauley 3-Blade Propeller w/ Polished Spinners Avionics/Radios: Dual Garmin GNS-430W w/ S-Tec 55X AP Aspen PFD/EFD 1000 Pro COMM / NAV Dual Garmin GNS-430W Audio/Panel Garmin GMA-340 ( 6 place) PFD/EFD Aspen EFD1000 Pro Auto Pilot S-Tec 55X w/ Yaw Damper ALT SELECT S-Tec ST-1000 w/ Hold DATALINK XM Weather Radio MFD Avidyne EX500 TIS Traffic Information System WAAS Dual Garmin GNS-430W TPDR Garmin GTX-330 w/ TIS INTERCOM Garmin GMA-340 (6 Place) Additional Equipment: Colemill Executive 600 Conversion w/ 300 HP Teledyne Continental IO-520-E, Air cool Electric Freon Air-conditioning ($35,000 Value Installed), De-Ice (De-Ice boots, Alky Windshield), Vortex Generators, Dual JPI Digital Engine Monitors, Mid-Continent Electric Attitude Indicator, Fuel Tanks (163 Gallons), Built in Oxygen System, Avionics Master Switch, ELT 406 MHZ, Hobbs Meter, Cleveland Wheels Brakes, Engine Block Pre-Heaters, Hoskins Digital Fuel Flow, Pilot Co-Pilot Articulating Seats w/ Shoulder Harness, Wing Walkway Courtesy Light, Rotating Tail Beacon, L R Wing Tip Recognition Landing, Wingtip Strobe Lights. Exterior: Overall white red, gray and black accent stripes. Interior: Six passenger (including pilot and co-pilot) executive seating finished gray cloth seats w/ leather trim, gray carpeting and matching side-panels. Inspection Status: Colemill Executive 600 Conversion w/ 300 HP Teledyne Continental IO-520-E. Annual Inspection due September 2027 IFR Certification due December 2027 De-ice boots by BFGoodrich. Aircraft has an excellent maintenance history with complete original logbooks since new. Side Brace Modification. Ads complied with. No Damage History. Specifications subject to verification upon inspection. Aircraft subject to prior sale or withdrawal from market
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 |
|---|---|---|---|---|---|---|
|
Richard Byrne
trade-a-plane.com
|
$135,000
|
Cincinnati, OH | Apr 13, 2026 | 96 days | Active |
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Cessna 310Q loan calculator
AeroGurus Data & Analysis
Independent data from FAA, NTSB, and market analysis
About This Cessna 310Q
This 1974 Cessna 310Q (N122E) is a 6-seat multi engine piston with 8,844 hours on the airframe. There are currently 6 310Q aircraft listed for sale with asking prices ranging from $79,950 to $270,000. This aircraft is priced below the market average at $135,000.
The 310Q cruises at 195 kts (361 km/h) with a range of 900 nm (1,667 km) — ideal for short hops and local flights. Service ceiling of 20,000 ft allows operation above most weather.
Operating costs: Fuel burn is 26 GPH (98 L/h), which at current 100LL avgas prices (~$6.20/gal) means approximately $161/hr in fuel alone. Total variable cost including maintenance reserves is approximately $290/hr. Annual fixed costs (hangar, insurance, crew, annual inspection) average $26,000. With 8,844 hours on the airframe, this aircraft has exceeded TBO (1,500 hrs) — verify engine status and overhaul reserve.
NTSB records show 0 incidents for this airframe — a clean safety record. Mechanics have filed 10 service difficulty reports for this type — common maintenance items to discuss during pre-buy.
Pre-Purchase Checklist
Cessna 310Q — Model Specs
Model specificationStandard specs for this model. Actual aircraft may differ.
Estimated Cost of Ownership
AeroGurus estimateCESSNA 310Q
AeroGurus estimates based on industry averages for the CESSNA 310Q. Actual costs vary by location, usage, maintenance history, and configuration. Not a financial quote.
Ownership & Registration
FAA registration data pending for N122E.
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.
We'll check N122E against the NTSB accident database.
Service Difficulty Reports — Cessna 310Q
SDRs are reports filed by mechanics about problems found during maintenance. 10 recent reports for this aircraft type.
IN PREPARATION FOR SLOW FLIGHT DURING A COMMERCIAL PILOT CHECK RIDE, LANDING GEAR EXTENSION WAS ACCOMPLISHED. AN UNUSUAL YAW WAS EXPERIENCED WITH UNUSUAL NOISE FROM THE LEFT MAIN LANDING GEAR. THE LEFT MAIN GEAR DID NOT INDICATE DOWN AND LOCKED. G...
RIGHT AILERON CONTROL PUSHROD FOUND MISSING WASHERS, ITEM 62 IN IPC PRINTOUT. THESE ACT AS SPACERS, AND WHEN MISSING CAUSE THE STRUCTURE TO SQUEEZE TOGETHER CAUSING AILERON SKIN WRINKLING AND POSSIBLE DAMAGE.
NOSE COMPARTMENT WAS DISCOLORED, PAINT BLISTERED, EVIDENCE OF A FIRE IN THE COMPARTMENT.
THE EMERGENCY EXIT WINDOW, WHICH IS THE PILOT'S SIDE WINDOW, DEPARTED THE AIRCRAFT IN CRUISE FLIGHT AT 4,500 FEET. THE WINDOW DID NOT STRIKE ANY AIRCRAFT STRUCTURE OR CONTROL SURFACE. THE AIRCRAFT FLEW NORMALLY AND THE PILOT DID NOT EXPERIENCE ANY OT...
DURING INSPECTION FOUND LT ENGINE, LT FORWARD AND LT REAR ENGINE MOUNT ISOLATOR DEFORMED, SAGGING AND JUMPED OUT OF AIRFRAME MOUNT. ALLOWS ENGINE TO SAG AND INTAKE MANIFOLD, AND EXHAUST PIPE TO CONTACT ACFT STRUCTURE. LT FORWARD ISOLATOR HAD BEEN ...
AIRCRAFT LEVELED OFF FROM CRUISE CLIMB. ACFT WAS ALLOWED TO ACCELERATE TO CRUISE SPEED. POWER WAS SET TO CRUISE POWER SETTINGS OF 23/23 IN MP AND 2300/2300 RPM. FUEL FLOW WAS SET AT 12/12 GPH. APPROX 10 MINUES LATER, A SLIGHT JOLT WAS FELT WITH A CO...
LEFT AND RIGHT ENGINE, BOTH FRONT MOUNT UPPER HALVES COMPRESSED EXCESSIVELY. THE LT FRONT MOUNT ON THE LT AND RT ENGINE WERE EXPOSING .2500" OF INNER BARREL. SUBSEQUENTLY, THE LT ENGINE NR 6 CYLINDER HEADER TUBE RUBBED THE ENGINE BEAM EXTENSION. IT ...
WHEN REMOVING RT ENGINE NR 4 CYLINDER DUE TO A CRACK, NR 4 PISTON SKIRT FOUND BROKE OFF AT THE 4TH RING LAND. ENGINE THEN REMOVED FROM ACFT FOR TEAR-DOWN INSPECTION. I HAVE FOUND BROKEN PISTON SKIRTS ON THIS PARTICULAR ACFT ON 3 DIFFERENT ENGINES.
RT LANDING GEAR FAILED TO FULLY EXTEND AND LOCK. THE RT DOWNLOCK PN 5041018-1 SEIZED DUE TO LACK OF LUBRICATION. THE DOWN LOCK ROD END PN KWBS WAS ALSO SEIZED FOR THE SAME REASON. THE WEIGHT OF THE ACFT ON THE PARTIALLY EXTENDED GEAR PULLED THE BEL...
CYLINDER HEAD SEPARATED FROM BARREL.
Source: FAA Service Difficulty Reporting System. Shows maintenance issues reported by mechanics for this aircraft type.
Price vs Typical Asking Range
This asking price is within the typical asking range for this model, roughly $135,000–$159,000.
Based on current asking prices for comparable listings — asking prices only, not an appraisal or sale price.
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