Mods

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• 25 – 50 gallon under wing tanks. (Up to 4 tanks --> up to 200 gallons aux fuel under the wings)
• Air Conditioning for all Skymasters  
• Landing gear in transit warning light for ‘73-80 337s(saves power pack motor if micro switch malfunctions,etc.)
• 40 gallon Auxiliary Fuel tanks (tip tanks)
• Wing Extensions for all Models (~10% increase performance)
• Mechanical Cowl Flap conversion for 336s and 337s
• Gross weight increase to 4700, 5120, or 5400 lbs
• Winglets (performance enhancements)
• 620-800 hp engine conversions for all Skymasters
• 3 bladed propellers for all Skymasters

• STOL kit (all composite leading edge cuff)

• Tail boom to vertical fin fairings (large/medium)
• Stall fences for wings (composite)
• Flap gap seals for 336
• Fuel Jettison System
• Rear firewall engine access door for ’63-72 models
• Rear engine cooling scoops and  louvers (The ultimate in rear engine cooling)
• 16-25-40 gallon aux fuel tanks (inside the wings)
• Low Oil Pressure warning system
• Fire detection system for both engines
• Speed Brakes

Contact Us for more information