King Air 350 cost of ownership: what buyers should budget

When the Beechcraft King Air 360 hit the market in 2020, it ended production of both the King Air 350 and 350i. The 350i, which debuted in 2008 at $6.5 million, carries a Q2 2024 list price of $7.4 million on GlobalAir's spec page; the standard 350 lists at $6.4 million for the same quarter. As of Nov. 10, 2026, GlobalAir.com lists five 350s for sale, though only two carry a posted price: $2,295,000 and $3,395,000, an average of $2,845,000 between them; the rest say "Please Call." GlobalAir's operating cost report for the King Air 350 puts the annual budget at $1,163,166: $400,000 in fixed costs and $763,166 in variable costs, or $3,021 per flight hour. Two items can move the costs mentioned above: one is the engine overhaul on the Pratt andamp; Whitney Canada PT6A-60A, while the other is a wing-structure airworthiness directive that took effect Aug. 10, 2026, and has already set deadlines for some airplanes. What a 350 costs to buy and to run Let's look at two GlobalAir.com listings showing that two 350s built more than a decade apart can carry a $1,955,000 difference in asking price. 2003 King Air 350 1991 King Air 350 Asking price $4,250,000 $2,295,000 Total time 228 hours 8,648.8 hours Location Texas, USA Louisiana, USA GlobalAir listing #141582 #140987 Once the airplane is in your hangar, that $763,166 in variable costs is where the real differences show up. The pieces that make up that number vary by operation: Crew GlobalAir.com lists two crew for the 350 and one for the 350i — not a certification difference (both are single-pilot certified airframes) but a reflection of typical practice: the 350i's avionics package earned it formal single-pilot operational approval, while most 350s still fly with two pilots for insurance and equipment reasons. If you're an owner-pilot eyeing the 350i, confirm your insurer will actually underwrite you single-pilot before you count on skipping the second seat. For the two pilots of the 350, industry sources put two-pilot salaries near $221,400 a year, or about $252,652 with training. Insurance Industry sources put annual premiums at roughly $15,000 to $30,000 or more on hull values of $4 million to $8 million, depending on pilot experience and coverage. Typical liability limits run $10 million to $25 million per occurrence. Hangar Industry sources put it near $30,000 a year, about $2,500 a month. Subscriptions These include engine programs, avionics data, maintenance tracking and connectivity. Collins sets minimum annual prices for its CASP Essential plan at $23,250 for Pro Line 21 and $18,875 for Pro Line Fusion. Overhauls can cost up to $2 million Industry sources report that engine and propeller overhauls on the 350 can exceed $2 million, as a shortage of skilled technicians, geopolitical tension and limited manufacturer capacity has led to the increasing costs of the overhauls of this aircraft. Industry sources put a first engine overhaul at $500,000 to $550,000 and later overhauls at $800,000 to $1.2 million. For the PT6A-60A specifically, no overhaul price is publicly listed. Pratt andamp; Whitney Canada's published pricing covers other PT6A variants, and those figures do not apply to this engine, get a current quote from an authorized overhaul facility before you budget for one, and ask the seller separately for the engine's hours since overhaul and hours remaining. The wing AD and what listings don't spell out The FAA issued AD 2026-15-05, effective Aug. 10, 2026, after Textron found wrong wing-inspection intervals in its own Airworthiness Limitations Manual. It applies to the Model B300 and B300C, which covers the 350 and 350i airframe, at the heavier 16,500-pound maximum takeoff weight. Owners must inspect the wing spar and the wing-to-fuselage attach structure for cracks on a tighter schedule, counted from the effective date: 3,801 to 7,400 total hours: within 200 hours or six months, which means Feb. 10, 2027 at the latest. Over 7,401 hours: within 25 hours or 30 days. That window closed Sept. 9, 2026. That makes the airplane's MTOW and total time the first questions to ask. For instance, one 2014 350i listing on GlobalAir.com shows about 7,083 total hours, which falls in the first band. This 2013 model, with 7,919 hours, would already be past its deadline if it's certified at the heavier 16,500-lb MTOW. Check the aircraft's weight-and-balance data to confirm which certification it carries, and if it's the heavier version, ask to see records proving the AD was complied with. Landing gear, wing bolts and propellers come due on a calendar of five or six years however little the airplane flies. The 1991 listing we previously touched upon shows wing bolts replaced in April 2026, a gear overhaul in December 2023 with the next due December 2029, and a prop overhaul due October 2027. The 228-hour 2003 airplane still shows a five-year prop overhaul due September 2027. A 2014 350i listing shows its gear overhaul due August 2026, a date that has now passed, so ask whether it was done. The same 350i has PT6A-60A engines, about 7,083 airplane hours and 1,523.9 hours remaining to overhaul. At 300 hours a year, that is about five years. Before you make an offer, get every due date and budget five years rather than one. Ask for hours since overhaul and hours remaining on each engine, the landing count as well as total hours, and whether any maintenance-tracking plan transfers to you. Who a used 350 is right for A used 350 suits an owner or operator who flies enough to carry a $1.16 million annual budget, and who wants a twin with eight seats. If a used 350 starts to look like a lot of airplane to maintain, the natural next question is what a newer one costs. The answer is the King Air 360, whose price is listed by Textron's 2025 Fact Book at $9.255 million. This is more than three times the $2,845,000 average of this month's two priced used 350 listings. So the comparison is less about price than about what the extra money buys: a newer airframe and a fresh maintenance clock in place of a calendar of gear, prop and engine work coming due. You can read our guide on how the New King Air 360 and 360ER compare to see the differences between the two 360 models. If you are simply looking for a newer turboprop, you don't need a twin-engine one. You can see how the King Air 360 compares with the Pilatus PC-12 NGX. This changes the cost picture, starting with one engine to overhaul instead of two. See current King Air 350 listings on GlobalAir.com FAQ How much does a used King Air 350 cost to buy? As of Nov. 10, 2026, GlobalAir.com lists five King Air 350s for sale, though only two carry a posted price: $2,295,000 and $3,395,000, an average of $2,845,000 between them. The rest are listed "Please Call." What is the annual cost to operate a King Air 350? GlobalAir.com's operating cost report puts the annual budget at $1,163,166: $400,000 in fixed costs and $763,166 in variable costs, or $3,021 per flight hour. Does the King Air 350 need two pilots? Both the 350 and 350i are single-pilot certified airframes. In practice, most 350s are still flown with two pilots for insurance and equipment reasons, while the 350i's avionics package earned it broader single-pilot approval. What does a King Air 350 engine overhaul cost? No public overhaul price exists specifically for the 350's PT6A-60A engines. Overhauls across the broader PT6A family run $500,000 to $1.2 million depending on whether it's a first or later overhaul, so get a current quote from an authorized overhaul facility before budgeting. What is the King Air 350 wing-spar airworthiness directive? The FAA's AD 2026-15-05, effective Aug. 10, 2026, tightened wing-spar and wing-to-fuselage inspection intervals for Model B300/B300C airplanes certified at the heavier 16,500-lb MTOW, after Textron found errors in its own inspection schedule. How does a used King Air 350 compare in price to a new King Air 360? Textron's 2025 Fact Book lists the current King Air 360 at $9.255 million, more than three times the $2,845,000 average of this month's two priced used King Air 350 listings.