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1977 Cessna 337G // Aspen Evolution 2500 Glass Panel // N53704

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This unique, “centerline” thrust aircraft is looking for its new home. It has been well-maintained, inside and out, and has the ability to seat between 4 and 6 people. An air-conditioning unit was installed where the back 2 seats go, but can be removed and seats reinstalled. The advanced technology of the upgraded glass panel is sought-after by pilots everywhere. The low hours of this aircraft, the improvements that have been made, and the overall comfort, make it a great family travel aircraft, or an excellent multi-engine time builder. 



1977 Cessna 337G

Registration: N53704

S/N: 33701795

Total Time: 2833.7

Cessna Cargo Pack

Date of annual: ???

Fuel Capacity: 148 gallon usable

Stall Speed: 68 mph

Useful Load: ???
Range: 1,200 miles

Cruise speed: 224 mph



Front Engine: Continental IO-360-G

S/N: 352671

Time SMOH: 1753.1

Front Engine Overhaul: April 28, 2000

Location of Overhaul: 

Oil Consumption: 13.0 Hours/Quart

Compressions 9/23: (1) 74 (2) 75 (3) 72 (4) 75 (5) 67 (6) 73

Rear Engine: Continental IO-360-G

S/N: 1031594

Time SNEW: 973.5

Rear Engine Installed: May 1, 1997

Oil Consumption: 11.0 Hours/Quart

Compressions 9/23: (1) 72 (2) 74 (3) 72 (4) 71 (5) 70 (6) 70

Blackstone Labs providing engine oil analysis, complete report history available

Air Wolf Air/Oil Separator and STC on front engine to protect cargo pack from oil blow back.

Challenger permanent oil filters & STC on both engines. Additional O-Rings and cores included. Gaskets for 8 additional oil changes are included. Two filter cores are also included, to be changed at 500 hrs TIS. Current cores only have 69 hrs TIS. O-Rings and cores are readily available through Aircraft Spruce.

GAMI Fuel Injectors

Insight G4T, complete engine monitor integrated with TAS-1000 air data and fuel computer. Fuel computer integrated with 430Ws flight planning data for destination and alternate fuel. Data stored with SAVVY. 



Front Propeller: McCauley D2AF34C310

S/N: 150438

Installed: November 22, 2016

Time SNEW: 689

Rear Propeller: McCauley D2AF34C307-A

S/N: 170011

Installed: February 17, 2017

Time SNEW: 642.3



Aspen Evolution 2500 Pro Max -Dual PFD and MFD (new installation) with AOA on PFD & MFD

Dual Garmin 430Ws (both refurbished by Garmin within the last three years

Free-Flight Interface for Aspen/Garmin communication

Garmin Flight Stream 210 (send flight plans to panel from FF or GP)

Garmin 30ES Transponder

Garmin GDL-52R ADS-B, FIS-B, and XM (in)

FreeFlight FDL-978 ADS-B RX/TX

Garmin GMA-340/ICS integrated with XM Radio

Insight Strike Finder, heading stabilized, lightning strike system. At last annual unit returned for LED display upgrade

Insight TAS-1000 Air Date Computer fully integrated with Garmin 430Ws

Insight Windicator. Wind direction & velocity indicator (easier to visualize than Garmin displays)

Cessna 400A autopilot maintained by Autopilots Central. Integrated with Aspen’s and Garmin’s for LPV approaches.

During the Aspen installation, every wire between the firewall and panel was identified via P/N and the Cessna 337 Avionics Manual, each wire was inspected and tested. Wires that showed any aging or were replaced after testing were marked with P/N+”R”. Wires from old installations were removed. All the Cessna wires are in appropriate bundles as well as the Aspen. Garmin and Insight Harness, Complete harnesses can be removed for bench checking. This was a very painstaking process, but ensures the avionics are as if in a new airframe. 


Additional Features:

SK 337-40C Fuel Cap/Doors-Prevents misfueling with Jet fuel.

SK 337-46A Alternator Restart Pack

RT Aerospace Main Landing Gear Removal STC - Significantly improves SE climb performance during landing gear retraction.

Arctic Air Real A/C “Puron” air conditioner. Mounted in the rear baggage area, easily removed. Digital controller on panel. 

Aerox 22cf portable oxygen bottle, secured under rear seat. Four port regulator with four flow adjustable cannulas.

5th and 6th child seats removed for air conditioner

Cessna 400 Series voltage regulators installed via 337

During Aspen installation, circuit breaker panel was replaced and all breakers were replaced with pullable breakers. Panel was replacarded to reflect the equipment changes.

Precision vertical mount compass.

Fire/Gear monitor mirror on each wing.

Rosen Sun Visors STC.

Lightspeed headsets (4)

24 volt batterminder battery trickle charger with temperature sensor.

Aircraft on SavvyQA (Maintenance advice, breakdown assistance, and engine data analysis)




The aircraft's exterior boasts a pristine white base adorned with rich emerald green and gold accents. The deep green hue takes center stage, forming a striking stripe along the fuselage that widens towards the rear from a focal point. The distinctive boom tail mirrors this bold shade of green, serving as its primary color scheme. Delicate gold embellishments trace the edges of the green, accentuating smaller details and highlighting the clean contrast of the N number. At the nose, a gray finish complements a black propeller accented by a subtle white stripe and a pristine white tip.




Boarding this aircraft is a breeze thanks to its accessible entry, and once inside, you'll find ample space to accommodate either four seats with the air conditioner or six seats if it's removed. The tan leather seats are impeccably maintained, ensuring a comfortable flight regardless of duration. The interior panels are adorned in a light tan hue, complemented by subtle gray accents throughout the cabin, all set against a backdrop of dark gray carpeting. The upgraded panel adds a touch of sophistication with its sleek black and light gray contrast, which is visually captivating. Additionally, there's a generously-sized compartment to effortlessly stow all your luggage or cargo for the journey.

Item # 368465
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Q: Do you have the total hours of the airframe? Do you have all the logbooks? posted by: carloseb 5/20/2024 8:52 AM CT
A: Total time is 2833.7. All logbooks can be viewed by clicking "View Online Documents" at the top of the screen.