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Airbus Helicopters H225 vs Enstrom 480b vs Leonardo Aw189 vs Piper M600 Sls

The Airbus H225 and Leonardo AW189 are large, twin‑engine helicopters designed for demanding offshore and SAR-style missions, offering broadly comparable long legs and cabin space. The H225 is generally the bigger-lift option, typically configured for roughly 16–19 passengers and capable of about 450–500 nautical miles depending on reserves and fit. The AW189 is a slightly smaller but still heavy-class twin, commonly around 16–18 passengers with a similar order-of-magnitude range, often cited around 400–500 nautical miles in typical transport configurations. The Enstrom 480B is a light, single‑engine helicopter aimed at utility, training, and patrol roles. It carries a small group, typically 4–5 occupants including the pilot, and its range is much shorter than the offshore twins, roughly on the order of 250–350 nautical miles. The Piper M600 SLS is not a helicopter but a single‑engine turboprop fixed‑wing airplane. It trades vertical capability for speed and point‑to‑point efficiency, seating up to 6 and offering a longer cruise range than the Enstrom and often competitive with—or better than—many helicopter profiles, roughly around 600–700 nautical miles.

SpecAIRBUS H225AGUSTA / LEONARDO AW189Piper M600 SLS
Summary
Cockpit222
DOC / nm$ 20.87$ 15.57$ 2.19
Min Crew211
Total Seats21216
Flight RulesIFRIFRIFR
ManufacturerAirbus HelicoptersLeonardoPiper
Aircraft NameH225AW189M600
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)4546511406
DOC / nm / Seat$ 0.99$ 0.74$ 0.55
Max Cabin Seats2819
OEM VerificationUn-VerifiedUn-VerifiedVERIFIED
Useful Load (lbs)119292200
Standard Cabin Seats19194
Direct Operating Cost$ 2,963$ 2,413$ 603
Flight Deck (Base Spec)EFISEFISGarmin G3000
Max Cruise Speed (ktas)142155274
Base Aircraft Price (USD)$ 29,500,000$2,413,000$3,081,400
Cabin
Cockpit222
Min Crew211
Total Seats21215
Max Cabin Seats2819
Standard Cabin Seats19194
LavatoryNo
Galley LocationMID
Cabin Pressure (psi)5.6
Galley / RefreshmentRefreshment Centre
SL Cabin Altitude (ft)12600
Max Cabin Altitude (ft)8644
Engine
FADECYesYesNo
ModelMakila 2A1CT7-2E1PT6A-42A
Fuel TypeJetFuelJetFuel
TBO (hrs)350040003600
Horsepower21001983600
No. of Engines221
Fuel Capacity (gal)684260
Flat RatingISA + 55
Dimensions
Length (ft)63.457.829.7
Overall Height (ft)16.316.611.3
Rotor Diameter (ft)53.248
Cabin Volume (cu. ft)547395165
Baggage Volume Ext. (cu. ft)85
Wingspan (ft)43.2
Cabin Width (ft)4.1
Cabin Height (ft)4
Cabin Length (ft)12.3
Baggage Volume Int. (cu. ft)20