Bobthefly Posted April 13, 2020 Report Share Posted April 13, 2020 Could sombody help explain the ias on the Saab 340a? My understanding is on the autopilot the ias button activates a "speed control" to keep the aircraft at a constant speed, set by the pilot. On th 340a it seems only to work when changing altitude, not in leval flight. Maybe its my misunderstanding of the role of ias on the autopilot, or have i got a problem of some sort? Apart from this nice plane fun to fly. Bob Quote Link to comment Share on other sites More sharing options...
mjrhealth Posted April 13, 2020 Report Share Posted April 13, 2020 IAS is for controlling vertical speed, the plane will change pitch to maintain the speed you set, this is common on a lot of planes Quote Link to comment Share on other sites More sharing options...
Bobthefly Posted April 13, 2020 Author Report Share Posted April 13, 2020 ok thanks, i though it was for controlling horizontal speed ... Dah ! Bob Quote Link to comment Share on other sites More sharing options...
Cameron Posted April 13, 2020 Report Share Posted April 13, 2020 2 hours ago, Bobthefly said: ok thanks, i though it was for controlling horizontal speed ... Dah ! That would require auto-throttle, which the Saab 340 never had in real life. Quote Link to comment Share on other sites More sharing options...
Bobthefly Posted April 13, 2020 Author Report Share Posted April 13, 2020 Thanks for quick responce and help. Just completed short but sucsseful flight in the Saab. Thanks Bob Quote Link to comment Share on other sites More sharing options...
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