Aircraft Restoration Corp. received STC approval to install an aerodynamic fairing in place of the inner main landing gear doors
            on the PA-31 series airplanes. The cost of this modification will pay for itself the first time you need to replace a door, hinges or
            actuators. It is a simple modification that reduces maintenance and parts costs. The number of moving parts is decreased
            AND the recurring AD note to inspect the door hinges is no longer required. The potential of gear door sagging or coming
            open in flight is eliminated. Split and leaking hoses and worn out actuators are a thing of the past.

           One of our customers said, "One of the best things there is about this modification is that there is no performance penalty
           and no vibration! The landing gear retracts and extends faster and now I never have to worry about the doors coming open
           in flight, my payload was increased too".

           In most cases this kit costs less than the parts you will replace when a component fails. Some of the problem parts are no
           longer available or the used replacement parts you purchase are no better than the ones you are replacing. It takes
           25 to 30 man-hours labor to install. There is no added pilot workload.

           As an additional improvement to this STC we are working with the FAA to allow a POH supplement to increase the gear
           extension speed to 153 Knots (180 MPH) on the early Navajo's, the same as all of the late model Navajo's and Cheyenne's.
           The faster extension speed allows the ability to slow the airplane more rapidly, thereby helping the pilot to fit in seamlessly
           when operating near busy airports AND in the case of the Navajo's allows the ability to slow the airplane down using the gear,
           this will reduce the chance of shock cooling the engines when steep descents are required by ATC.