Blue Jacket 40 Information, Review, Specs

Make
Blue Jacket
Model
40
Builder
Blue Jacket Yachts
Designer
Tim Jackett w/Bob Johnson
Number Built
Production Year(s)
2012 - ??

The Blue Jacket 40 represents a sophisticated departure from the traditional heavy-displacement, full-keel philosophy long associated with its builder, Island Packet Yachts. Conceived as a collaboration between Tim Jackett—renowned for his performance-oriented work with Tartan and C&C—and Island Packet’s Bob Johnson, the Blue Jacket 40 was designed to offer a more spirited sailing experience without sacrificing the structural integrity required for serious offshore work. Launched to critical acclaim, it secured the 2014 Cruising World Boat of the Year award for Best Midsize Cruiser, 39 to 41 Feet. The vessel features a modern performance-cruising hull form characterized by a deep fin keel with a lead bulb and a balanced spade rudder, a stark contrast to the full-keel "Packet" lineage. While the Blue Jacket 40 stands as a distinct model, it shares DNA with the broader Island Packet family in its build quality, though it does not have direct hull siblings like a 3-cabin or 4-cabin charter variant; it was built purposefully as a refined owner’s yacht.

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Sailing Performance & Handling

The Blue Jacket 40 is defined by its agility and ease of operation, even when short-handed. With a displacement-to-length ratio (D/L) of approximately 180 and a sail area-to-displacement ratio (SA/D) nearing 20, the boat is significantly more athletic than its Island Packet cousins. These numbers translate to a hull that accelerates quickly in light air and remains stiff and predictable when the breeze freshens. A standout feature is the Solent-style rig, which incorporates a large, high-aspect mainsail and a self-tacking jib for effortless upwind work, paired with a larger reacher on a dedicated furler for off-wind performance.

According to technical reviews by Sail Magazine, the boat exhibits excellent tracking and a light touch on the helm, thanks to the balanced spade rudder. Unlike traditional heavy cruisers that may require significant sail area to overcome inertia, the Blue Jacket 40 is responsive and "feels" like a performance boat, yet maintains a comfortable motion in a seaway due to its moderate beam and well-distributed volume. The inclusion of a 100% self-tacking jib allows the helmsman to tack the boat simply by turning the wheel, a luxury for cruising couples.

Interior Comfort & Variations

The interior of the Blue Jacket 40 emphasizes craftsmanship and ergonomic flow, utilizing high-end materials that reflect its premium positioning. The standard configuration typically features a two-cabin, one-head layout, which maximizes the size of the galley and the primary owner's suite. The use of light-colored woods, often sapele or light oak, combined with numerous opening ports and hatches, creates an airy, ventilated atmosphere that avoids the "cave-like" feel of some older cruising designs.

The galley is a focal point, designed for use at sea with deep stainless steel sinks, Corian countertops, and ample bracing points. In the salon, the cabinetry is finished to a furniture-grade standard, showcasing the joinery skills for which Island Packet’s Florida facility was known. While there are no major hull-length variations, some hulls were customized with specific electronics packages or different wood finishes. The headroom is generous throughout, typically exceeding 6'5" in the main salon, ensuring that the vessel feels spacious even during extended periods of living aboard.

The Blue Jacket 40 gained significant traction in the nautical press upon its debut, often cited as a "watershed moment" for Island Packet. Beyond its Boat of the Year win, the model has been featured in several cruising documentaries on YouTube, such as those by owners documenting coastal passages along the U.S. East Coast and Caribbean. Its design was also highlighted in Yachting Magazine as a successful example of "performance-cruising" hybridization, where two industry icons merged disparate design philosophies into a single, cohesive vessel.

Known Issues & Buyer’s Checklist

Prospective buyers should focus on a few specific areas during a pre-purchase survey to ensure the vessel has been maintained to its high original standards:

  • Rigging Tension: The Solent rig setup puts unique loads on the mast and deck hardware. Ensure the forestay and reacher furler tensions are properly balanced to avoid mast pumping or unnecessary wear on the furling units.
  • Core Integrity: Unlike some older solid-glass Island Packets, the Blue Jacket 40 uses a cored hull and deck (typically Corecell) for weight savings and stiffness. A thorough moisture scan is essential, particularly around aftermarket installations like solar arch mounts or additional cleats.
  • Rudder Bearings: Given the spade rudder design—a departure from the protected skeg-hung rudders of other IP models—buyers should check for play in the rudder bearings or any signs of "clunking" while under power or in a swell.
  • Engine Service Access: While the Yanmar common-rail diesel is reliable, the engine room is compact. Check for any signs of deferred maintenance caused by difficult access to filters or the raw-water impeller.

Community & Resources

Owners of the Blue Jacket 40 are typically active within the Island Packet Yacht Owners' Association (IPYOA). This group provides a wealth of technical knowledge and an active forum where owners share specific modifications for the BJ40. Because the production run was more limited than the high-volume IP38 or IP40 models, the community is tight-knit, with many owners maintaining detailed maintenance blogs and technical wikis regarding the boat’s specific systems and rig tuning.

The Verdict

The Blue Jacket 40 is a "sailor’s cruiser" that successfully marries the luxury of a fine home with the performance of a modern racer-cruiser. It is an ideal choice for the experienced mariner who wants to downsize in physical effort without downsizing in quality or safety.

Pros:

  • Exceptional Performance: Balanced ratios provide a fast, stiff, and rewarding sailing experience.
  • Ease of Handling: The Solent rig and self-tacking jib make it one of the easiest 40-footers to manage solo.
  • Superior Build Quality: Constructed with the robust engineering standards of Island Packet Yachts.

Cons:

  • Limited Availability: A relatively short production run means fewer units are available on the brokerage market.
  • Spade Rudder Vulnerability: Offers less protection from logs or debris compared to traditional full-keel or skeg-hung designs.
  • Premium Price Point: Maintains a high resale value, which may be a barrier for budget-conscious buyers.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Bulb
Rudder
1x Spade
Ballast
6100 lbs (Lead)
Displacement
16500 lbs
Water Capacity
110 gal
Fuel Capacity
40 gal

Dimensions

Length Overall (LOA)
39.83 ft
Waterline Length (LWL)
35 ft
Beam
12.33 ft
Draft
7.42 ft
Max Headroom
6.42 ft
Air Draft
62.5 ft
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
883 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
21.79
Ballast / Displacement Ratio
36.97
Displacement / Length Ratio (D/L) Ratio
171.8
Comfort Ratio
24.65
Capsize Screening Formula
1.94
Hull Speed
7.93 kn