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$370,000
Aircraft Location:Billings, Montana
Seller Information
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General
Year
1979
Manufacturer
Model
Serial Number
D-10257
Registration #
N6640L
Condition
Used
FlightRules
IFR
Based at
KBIL
Description
Fantastic, low time GEM of a Bonanza! Loaded with STCs; loaded with Garmin glass; loaded with Pride in Ownership!
Airframe
Total Time
1,679.3
Range
900 NM
Max Takeoff Weight
3,500 lb
Auxiliary Fuel Tank
Yes
Complete Logs
Yes
Engine
Engine 1 Make/Model
CONTINENTAL IO550B
Engine Serial Number
249595-R
Engine Horsepower
300 HP
Engine 1 Time
401 SOH
Engine TBO
2000
Aftermarket Engine STC
Yes
Year Engine Overhauled or Installed as New
2014
Engine Time Remaining To Overhaul
1600
Turbonormalized
Yes
Engine Notes
Engine converted from an IO-550B to an IO-550B-AP along with balanced and a "NASCAR flow porting on the cylinder heads" by GANN Performance Engines. Engine STC SE02881AT for Aero Aviation. Included all new Beryl D' Shannon baffling. Engine JUST had a replacement camshaft, lifters and associated hardware installed April 2026.
Props
Prop Manufacturer
HARTZELL
Prop Model
PHC-C3YF-1RF
Prop Time
401 SNEW
Number of Blades
3
Blade Composition
Aluminum
Swept Blade Propellers
Yes
Prop Notes
Propeller model variant is "/F8068K" (controller wouldn't allow more details) Propeller s/n is QG827B.
Modifications/Conversions
Modifications/Conversions
So many to list: D' Shannon baffle kit; 1/2" sloped windshield; D' Shannon tip tanks; TAT built-in O2 system. See engine listing for details. See Airframe listing for more mods/STCs.
Avionics
Flight Deck Manufacturer/Model
GARMIN G500 TXI
Primary Flight Display 1 Manufacturer/Model
GARMIN GDU1060
GPS 1 Manufacturer/Model
GARMIN GTN 750XI
GPS 2 Manufacturer/Model
GARMIN GTN 650XI
Transponder 1 Manufacturer/Model
GARMIN GTX330ES
Transponder 2 Manufacturer/Model
GARMIN GDL88
Autopilot Manufacturer/Model
GARMIN GFC500
ADS-B Equipped
Yes
WAAS
Yes
LPV
Yes
SVT
Yes
Yaw Damper
Yes
Engine Monitor
Yes
Avionics/Radios
Dual Garmin GI-275s-one as a backup to the G500TXi PFD, the other as a backup EHSI/MFD; Garmin GMA-35c audio/marker beacon/ICS; Garmin AOA system; JPI EDM-930 Primary engine monitor coupled with CIES fuel level senders (x4); Garmin GDL-69A Sirius/XM FIS and music; the GDL-88 provides ADS-B TIS-B and FIS-B traffic and weather (equipped with TWO sources of weather data); fully customized annunciators with LED lamps throughout; remote landing gear status lights (factory ones are always visually-blocked by the Cygnet Aerospace dual control yoke arm).
Additional Equipment
Oxygen System
Yes
Additional Equipment
Radio stack frame, control yoke plates and interior inserts are one-of-a-kind custom black/dark red carbon fiber materials, matching the exterior accent stripes. All electroluminescent panels were overhauled and re-silkscreened with the avionics' upgrades. The glareshield was re-wrapped with custom leather and French stitching, along with the ram horn control yokes (the LH yoke equipped with a Davtron MB800 digital chronometer).
Exterior
Year Painted
2007
Exterior Notes
Ignore the date of the paint job. THIS PAINT LOOKS LIKE BRAND NEW! The exterior is a 10/10.
Interior
Year Interior
2007
Number of Seats
6
Configuration
Passenger
Interior Notes
Ignore the date of the interior-this interior is GORGEOUS! Leather seating with lamb's wool crew seating surfaces; all the plastic/Royalite looks like brand new. The armrests for the passengers have built-in O2 ports which also have custom one-off black/dark red carbon fiber inserts. The seatbelts are all great condition and have all the s/n tags.
Inspection Status
Inspection Status
Annual JUST completed in April 2026! No detailed prebuy necessary. Fuel it up and go flying, assured that all systems work flawlessly and trustworthy! Owner maintained this aircraft, that no expenses were spared.
Airworthy
Yes
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