Daher TBM 700/850/900/910/930/940/960 vs Piper M-Class (Meridian / M500 / M600)
Head-to-head — specs, at a glance.
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iDaher TBM 700/850/900/910/930/940/960
The TBM is the world's fastest single-engine turboprop, a pressurized six-seat French turbine that redefined what a single could do when it was certified in 1990. Born from a Mooney/Socata joint venture (TBM stands for "Tarbes — the Socata factory town — and Mooney, Business, Mooney"), the airplane has gone through seven marketing names across 35 years of continuous production, always chasing the same formula: jet-like cabin, jet-like speed, piston-like fuel burn. Over 1,100 have been delivered, and in July 2024 there were 523 of the 900-series alone flying worldwide. TBM owners are overwhelmingly owner-flown professionals — doctors, lawyers, business owners — who need to cover 800-1,500 nm legs in a day on their own schedule, and who have either graduated up from a cirrus-sr22 or sidestepped from a light jet looking for lower operating costs. At 330 KTAS the TBM 960 flies the same trip as a King Air at half the fuel burn, and single-pilot from the left seat. It is the benchmark the pilatus-pc12 competes against on cabin size, and the airplane that makes the cessna-208-caravan and daher-kodiak-100 look utilitarian. See also turbine-transition and valuation-methodology.
- +330 KTAS cruise speed with single-pilot capability — fastest single-engine turboprop
- +Pressurized cabin (6.2 psi differential) enables FL310 operations above weather
- +PT6A engine reliability with flat-rating above 10,000 ft density altitude
- !PT6A hot-section inspection required every 1,800 hours ($60K–$90K)
- !PT6A overhaul at TBO (3,600 hrs on -64/-66D) costs $450K–$550K
- !Specialist-only maintenance; annual inspection $12K–$25K at factory-authorized centers only
Piper M-Class (Meridian / M500 / M600)
The Piper M-Class turboprop family represents the pinnacle of the PA-46 platform, transforming Piper's pressurized piston Malibu airframe into a capable single-engine turboprop. Beginning with the Malibu Meridian in 2000 and evolving through the M500 (2015) and M600 (2016), the line offers pressurized turbine performance at a price point substantially below competing clean-sheet designs like the daher-tbm and pilatus-pc12.
- +Purpose-built pressurized turboprop for owner-flown business travel; 260–274 KTAS, FL280 capability, 1,000–1,484 nm range
- +Proven PT6A-42A engine with global support; multiple authorized overhaul facilities and engine reserve programs standard
- +M600 (2016+) significantly improved: larger wing, 274 KTAS cruise, 250 KCAS VMO (vs. M500/Meridian 188 KIAS), 658 lb payload with full fuel
- !High operating costs ($400–$500/hr variable); marginal economics for missions under 400 nm
- !Specialist maintenance required: PT6 turbine expertise not universal; annual inspections $15k–$60k+ depending on condition
- !M500 and early Meridian VMO (188 KIAS) restricts descent rates; careful planning required in time-critical operations
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