Another "discuss" thread?
Ok, I'll throw you a bone:
There are no long term pros to flying a little turboprop. The Kingair is simply not a career destination, and it's not too hot a stepping stone either. See, when the rich dudes decide the don't want a Kingair anymore and let you go (which they can and almost invariably do, since you have no union, no contract, and no schedule to call your own) you're going to think you're ok with all your Kingair Turbine PIC time, until you're sitting in an interview group for a major 121 outfit (including FedEx and UPS) with fifteen other dudes who have sept-wing turbojet time. Where does that leave you? Nowhere. You go from $60,000 a year to zilch, with no prospect of doing much better than half that.
Then you're either back at the regionals, or back flying on-demand freight, or, God help you, thinking that a place like GoJets or SkyBus might be a real slick career move.
HOWEVER!
You may have enough experience to get a job with one of the fractional airlines, shoud that be a career direction that you want to take. I have a couple of friends who fly for a fractional airline, and they love it.
On the other hand, Skywest is a fantastic regional, with good flying, a great contract, and appropriate upgrade times. (I use the word "appropriate" because at places like Skywest and ExpressJet, you don't have some 9 month guy sitting left seat like Mesa, nor do you see career RJ FO's like Eagle.) Once you put in your time there, you'll be competitively qualified for almost any flying job that you would like. The downside? The oft-derided (and rightfully so) 1st year pay. People make it sound like your whole career at a regional is the 1st year. It isn't. Think about second year pay, third year pay, upgrade pay (when you make Captain) as well as profit sharing, overtime, days off, benefits, travel benefits, work rules, reserve rules, etc. etc. The first year pay isn't the whole story. It's only one aspect that people who have an irrational fear of RJ's like to hype. If this puts anything into perspective, my first year pay was $21.50. That year, I paid taxes on $35,000 dollars of income, and averaged 15 days off a month (some months were 12, some were 17) with about 80 hours flying each month, plus all the other benefits. No, it's really hard to complain about my airline, but it's really easy to laugh at people who ignorantly deride it for only being a "regional" airline. (I'm assuming that they are using the word "region" to refer to the entire northwestern hemisphere of Planet Earth, or they are grossly ignorant of the type of flying we do.)
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Now, I think I've answered your question, so I have a question for you: What are your career goals? Where do you want to be at 25? 35? 45? 55? Family? House? Kids? College?
The more questions you can ask and answer about where you want your life to go, the easier it is to decide what kind of aviation career arc you will want to follow. So, then, what is it?