Overview

The Piper M600 was the mid-tier of the PA-46 turboprop line, produced from 2016 until 2024, when Piper succeeded it with the more powerful M700 Fury. It sat a clear step above the still-current M500, and its most consequential difference was fuel capacity: the M600 carries 260 gallons against the M500’s 170, which extended range from about 1,000 NM to 1,484 NM and shifted the mission profile from regional to genuine long-range cross-country. The M600 also introduced the Garmin G3000 avionics suite in place of the M500’s G1000 NXi, with a wider display format and expanded automation.

The M600/SLS variant, introduced in 2020, added the HALO safety system: Garmin’s Emergency Autoland, which can autonomously land the aircraft at a suitable airport in the event of pilot incapacitation. This was the first certified Emergency Autoland in a production aircraft and set a new safety baseline for owner-flown turboprops. The M600 is powered by the same Pratt and Whitney PT6A-42A as the M500, flat-rated to 600 SHP in this installation, and cruises at 274 knots. Against the M700 that replaced it, the M600 is the slower, lower-priced route to the same family safety net: 27 knots off the M700’s 301-knot cruise and the 600-SHP PT6A-42A in place of the 700-SHP PT6A-52, but the identical HALO Emergency Autoland and 1,484 NM of range. It earns the used-market buyer who wants Autoland and real cross-country legs and will not pay the M700’s premium for those 27 knots.

Key Features for GA Buyers

• Emergency Autoland (HALO). The M600/SLS was the first certified production aircraft with autonomous emergency landing capability. In the event of pilot incapacitation, the system selects a suitable airport, manages ATC communications via data link, flies the approach, and lands the aircraft without pilot input. For buyers with family passengers or concerns about single-pilot operations, it is a substantive safety argument.

• Fuel Capacity and Range. 260 gallons enables 1,484 NM of range, a 48% improvement over the M500. This changes what the aircraft can do: Chicago to Miami, New York to Denver, or Los Angeles to Denver nonstop become realistic single-leg missions. The fuel load also provides meaningful reserve flexibility that the M500’s smaller tanks do not.

• Garmin G3000 Avionics. The G3000’s widescreen touchscreen displays and expanded automation represent a meaningful step over the M500’s G1000 NXi. The autothrottle capability in particular reduces workload in the cruise and descent phases that typically demand close attention in the M500.

• Useful Load. At 2,135 lb, the M600’s useful load is 437 lb more than the M500’s. Even with full fuel (260 gal / approximately 1,768 lb of Jet-A), the M600 retains 367 lb for cabin payload: enough for two adults and bags. Reduced fuel loads open the cabin substantially.

Trade-offs

• Fuel Burn. At 39 GPH in long-range cruise, the M600 burns more fuel than the M500 and operating costs reflect this. The additional range and useful load must be weighed against meaningfully higher annual fuel expenditure for owners whose missions do not require the M600’s extended legs.
• Acquisition Cost. The M600 carries a significant price premium over the M500 both new and used. Buyers who do not regularly fly the legs that justify 260 gallons of fuel capacity may find the M500 a better value proposition.
• Cabin Dimensions. Despite the higher acquisition cost, the M600 shares the PA-46 cabin with the M500: six seats in a relatively narrow fuselage. Buyers expecting a larger interior than the M500 will be disappointed. The upgrade is in systems and fuel, not cabin volume.
• Training and Insurance Requirements. Like all PA-46 turboprop variants, the M600 requires a type rating and structured recurrent training. Insurance underwriters typically require specific M600 time and training credentials, adding fixed overhead to total cost of ownership.

See Also

• Piper M350 – the pressurised piston entry point to the PA-46 family: lower acquisition cost, lower fuel burn, shorter legs. Compare
• Piper M500 – the still-current entry turboprop below it: same engine, less fuel, less range, lower cost. Compare
• Piper M700 – the performance step-up that succeeded it: 700 SHP, 301-knot cruise, and the full HALO suite as standard. Compare
• Pilatus PC-12 – the cross-manufacturer benchmark: larger cabin, more utility payload, different mission character. Compare
• Daher TBM 850 – the speed-oriented single-engine turboprop alternative: 320-knot cruise at a comparable price point. Compare