Provides replacement of the lower spar cap to restore the structural integrity of the original design of the Models 685, 690, 690A, and 690B.
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144B Lower Main Spar Cap Replacement Procedure
Provides replacement of the lower spar cap to restore the structural integrity of the original design of the Models 685, 690, 690A, and 690B.
141 Environmental Air Conditioning and Pressurization System Install
Provides an alternative air conditioning system for Models 690C and 695.
140 Hydraulic Nose Steering System Conversion to Brake Pedal Actuated
Modification to replace your electro-hydraulic nose wheel steering system with a brake-pedal actuated hydraulic nose steering system. Models 690C, 690D, 695A, 695B.
138 Automatic Ignition System
Provides automatic ignition for both engines in case of engine flameout during takeoff and landing on wet runways and during flights in icing conditions. Automatic ignition is not limited to only these conditions; it is available anytime the engine RPM is above 60 percent. Models 690C, 690D, 695, 695A, 695B.