Air Tractor 5‑Blade Composite Propeller
By MT‑Propeller — Available Through AMK Aviation
AMK Aviation is a world‑leading Propeller Overhaul Facility specializing in MT‑Propeller products. The MT 5‑Blade Composite Propeller for the Air Tractor series is recognized as one of the most durable, efficient, and maintenance‑friendly propellers available today.
Applicable Aircraft
Air Tractor AT‑600 / AT‑800 Series
Models: AT‑802, AT‑802A
Engine Compatibility:
• Pratt & Whitney PT6A‑65 Series
• Pratt & Whitney PT6A‑67 Series
STC Kit Contents
• 5‑Blade Full Feathering Constant Speed Counterweighted Reversible Propeller
Model: MTV‑27‑1-( )‑C‑F‑R(P)‑J / CFR300‑82( )
• Full Composite Spinner (AFRP) – P‑1594‑1
• Airplane Flight Manual Supplement – Doc. No. E‑3521
• Installation Instructions – Doc. No. E‑3522
• Instructions for Continued Airworthiness – Doc. No. E‑3523
• Operation & Installation Manual – ATA 61‑00‑83 (E‑1083)
Propeller Specifications
Full Propeller Designation
MTV‑27‑1-( )‑C‑F‑R(P)‑J / CFR300‑82( )
Propeller Hub
• PT6A‑65: MTV‑27‑1‑E‑C‑F‑R(P)‑J
• PT6A‑67: MTV‑27‑1‑N‑C‑F‑R(P)‑J
• Milled, single‑piece aluminum hub
Blades
• Model: CFR300‑82( )
• Scimitar design
• Lightweight natural composite construction
• Bonded wide‑chord nickel alloy leading edges
Dimensions & Weight
• Diameter: 300 cm (118.1 in)
• Installed Weight (with spinner): Approx. 100 kg (220 lb)
TBO
• 4,500 hours or 6 years (whichever comes first)
• Per MT‑Propeller Service Bulletin 1 (latest issue)
Replaces
• Original Hartzell propellers and associated spinners
Key Advantages
(Performance data based on MTOW, ISA conditions)
• Exceptional vibration damping for near‑vibration‑free operation
• Superior erosion protection with bonded nickel alloy leading edges
• 5% improvement in Take‑Off performance, enhancing safety margins
• No propeller ADs
• Low maintenance costs with extended 4500‑hour / 6‑year TBO
• No intermediate inspections required for agricultural operations
• Reduced spare parts and overhaul costs
• No RPM restrictions across the entire operating range
• No life limitation; fully repairable in case of FOD
• 8% improvement in Rate of Climb (Aerial Surveillance configuration)
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