1956 Beechcraft Twin Bonanza
Multi Engine Piston
Aircraft Details
Seller reportedAvionics & Equipment
IFRAvionics: Garmin GNS 530 WAAS with GI-106A STEC ST-901 GPSS Roll Steering King KLN-90B GPS #2 King DME System King KN-74R RNAV System Dual Independent Glideslopes (KN-93) Dual AK-350 Encoders Dual Transponders King KY-76A and Regency RT-505 STEC 60-2 Autopilot System (Coupled) King/McCoy MAC 1700 Nav/Comm #2 King KMA-20 Audio Panel WX-10A Stormscope AMS-2000 Altitude Alerter Electronics International Fuel Flow Computers Electronics International VA-1A-120 Volt/Amp Gauges DRE-446 6 Place Intercom Davtron DMB-800 Yoke Clock/Timer Equipment Upgrades: King Air Throw-Over Yoke with Chronometer Copilot Artificial Horizon and DG New Concorde RG-35XCA Batteries Wingtip Strobe System 180 Gallon Fuel Tanks (Main and Aux) 4 Piston Cleveland Wheels and Brakes Both New Battery Boxes Top Rotating Beacon All New Brake Pads Nose Mounted Taxi Light with Buffed Ring Polished Panel Eyeball Vents and Control Quadrant Buffed and Polished Engine Cowl Rings Buffed and Polished All Cowl Latches Stainless Steel Augmenter Tubes Buffed and Polished Landing Light Bezels De-Ice Boots
WingsVertical Stab and Horizontal Port Side Ice Light Alcohol Prop Anti-Ice System Beryl DeShannon ½ Inch Glass Custom 24 Inch Extended Wing Tips Polished McCauley Spinners Additional Port Side Window Factory Cast Metal Twin Bonanza Badging Recent Tires and Tubes Pilot and Copilot Vent Windows Original Factory Assigned N Number
Description
Avionics / Equipment Avionics: Garmin GNS 530 WAAS with GI-106A STEC ST-901 GPSS Roll Steering King KLN-90B GPS #2 King DME System King KN-74R RNAV System Dual Independent Glideslopes (KN-93) Dual AK-350 Encoders Dual Transponders King KY-76A and Regency RT-505 STEC 60-2 Autopilot System (Coupled) King/McCoy MAC 1700 Nav/Comm #2 King KMA-20 Audio Panel WX-10A Stormscope AMS-2000 Altitude Alerter Electronics International Fuel Flow Computers Electronics International VA-1A-120 Volt/Amp Gauges DRE-446 6 Place Intercom Davtron DMB-800 Yoke Clock/Timer Equipment Upgrades: King Air Throw-Over Yoke with Chronometer Copilot Artificial Horizon and DG New Concorde RG-35XCA Batteries Wingtip Strobe System 180 Gallon Fuel Tanks (Main and Aux) 4 Piston Cleveland Wheels and Brakes Both New Battery Boxes Top Rotating Beacon All New Brake Pads Nose Mounted Taxi Light with Buffed Ring Polished Panel Eyeball Vents and Control Quadrant Buffed and Polished Engine Cowl Rings Buffed and Polished All Cowl Latches Stainless Steel Augmenter Tubes Buffed and Polished Landing Light Bezels De-Ice Boots, Wings, Vertical Stab and Horizontal Port Side Ice Light Alcohol Prop Anti-Ice System Beryl DeShannon ½ Inch Glass Custom 24 Inch Extended Wing Tips Polished McCauley Spinners Additional Port Side Window Factory Cast Metal Twin Bonanza Badging Recent Tires and Tubes Pilot and Copilot Vent Windows Original Factory Assigned N Number
Engine
Engine(s): Lycoming GO480-D2, 295 H.P. Left: 735 hours SMOH (3182 TT) Right: 94 hours SMOH (Unknown TT) Additional Engine Info: GEM Engine Monitors Shadin Fuel Flow System Brackett Air Filter Kits- New BA-4805 Elements New RH Lord Engine Mounts Overhauled L R 3 in 1 Engine Gauges Teflon Lifetime Oil Line Hoses, Both Engines New Fuel Hoses (4) Full Flow Oil Filter System, Both Engines New Tempest Plugs URHM-38 (RH) Magneto Inspection (RH) 88 hours ago Jet Hot Ceramic Exhaust Pipe Coatings, (LH RH) Prop(s): McCauley Black Mac 3AF32C524/90UMB-0 Left: 9 Hours SPOH (362 TT) Right: 9 Hours SPOH (17 TT)
Propeller
McCauley Black Mac 3AF32C524/90UMB-0 Left: 9 Hours SPOH (362 TT) Right: 9 Hours SPOH (17 TT)
Interior
6 Place Executive Cabin, Fore and Aft Seating Port Side, Stowable Card Table, Drink Shelf, Sheepskin seat covers Cabin Appointments and Amenities: Swearingen AirStair Door Conversion Extended Baggage Compartment Cabin Floor Lowered 6 Inches for additional headroom Wood Laminated Hat Shelf 6 Position Intercom (At all seat jacks) 6 Position, Plumbed in Oxygen System Oxygen System Regulator Control- Copilot side Full Co-Pilot Position Rudder and Brake System Custom 4 Tier Instrument Panel Custom Glareshield with Rheostat Lighting Instrument and Post Lights with Rheostats Custom Upholstery Carpeting, Cameron Interiors Custom Soundproof Carpeted Nose Baggage Compartment Air Stair Door Pneumatic Damper Kit Additional, Supplemental 3 Light Gear Indicators Cabin Window Interior, Tracked Sun Shades
Exterior
Imron Custom 3 Color Paint Scheme
Inspection
Annual Inspection Completed May 2025 ELT next due, February 2027 Previously Same owner since 1992 Oshkosh Antique Classic Category Winner in 1994
Description and equipment details provided by the seller. AeroGurus does not verify seller-provided information.
Price Comparison Listed on multiple marketplaces
| Source | Price | Location | Listed | Days on Market | Status | Action |
|---|---|---|---|---|---|---|
|
Courtesy Aircraft Sales - Darcy Stults
trade-a-plane.com
|
$259,000
|
Punta Gorda, FL | Mar 30, 2026 | 109 days | Active | |
|
Courtesy Aircraft Sales
controller.com
|
$259,000
|
Rockford, IL | Mar 25, 2026 | 114 days | Active | |
|
Courtesy Aircraft
controlleremea.co.uk
|
$264,424 *
GBP £195,714
|
Rockford, IL | Apr 03, 2026 | 105 days | Active | |
|
Courtesy Aircraft
aviationtrader.com.au
|
$268,165
|
Rockford, IL | Apr 02, 2026 | 106 days | Active |
* Converted to USD at daily European Central Bank (ECB) exchange rates
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AeroGurus Data & Analysis
Independent data from FAA, NTSB, and market analysis
About This Beechcraft Twin Bonanza
This 1956 Beechcraft Twin Bonanza (N4948B) is a 5-seat multi engine piston with 7,996 hours on the airframe. There are currently 5 Twin Bonanza aircraft listed for sale with asking prices ranging from $84,900 to $259,000. This aircraft is priced above the market average at $259,000.
The Twin Bonanza cruises at 175 kts (324 km/h) with a range of 1,000 nm (1,852 km) — ideal for short hops and local flights. Service ceiling of 20,000 ft allows operation above most weather.
Operating costs: Fuel burn is 28 GPH (106 L/h), which at current 100LL avgas prices (~$6.20/gal) means approximately $174/hr in fuel alone. With 7,996 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.
Pre-Purchase Checklist
Beechcraft Twin Bonanza — Model Specs
Model specificationStandard specs for this model. Actual aircraft may differ.
Estimated Cost of Ownership
AeroGurus estimateBEECHCRAFT Twin Bonanza
AeroGurus estimates based on industry averages for the BEECHCRAFT Twin Bonanza. Actual costs vary by location, usage, maintenance history, and configuration. Not a financial quote.
Ownership & Registration
FAA registration data pending for N4948B.
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 N4948B against the NTSB accident database.
Price History
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