Introduction
The Diamond Jet MU-300, designed by Mitsubishi, embodies innovation and comfort in private aviation. With its elegant lines and impressive performance, this very light jet offers an unparalleled flight experience for discerning travelers. Whether for a business trip or a personal getaway, the MU-300 promises fast and enjoyable travel.
Origin and development of the Diamond Jet MU-300
Why was this jet designed?
The Diamond Jet MU-300 was developed to meet the growing demand for compact and efficient private jets, offering an alternative to larger aircraft. In the mid-1980s, Mitsubishi identified an opportunity in the light jet market, aiming to create an aircraft that combined performance, comfort, and reduced operating costs.
What innovations marked its design?
The MU-300 introduced several innovations, including optimized aerodynamics and lightweight materials that enhance its flight performance. Its design also incorporates advanced engine technologies, ensuring fuel efficiency and high-speed flight capability.
What key stages marked its entry into service?
The development of the MU-300 was punctuated by rigorous testing and adjustments based on early user feedback. Its first entry into service took place in 1986, marking the beginning of a new era for light jets and establishing Mitsubishi as a key player in this market segment.
How has it evolved since its launch?
Since its launch, the Diamond Jet MU-300 has undergone several updates and improvements. Revised versions have optimized its comfort and performance, while maintaining its appeal in the private jet market. Improvements have included modern avionics systems and customization options for customers.
To learn more about the manufacturer, visit the official Mitsubishi website: Mitsubishi Aircraft Corporation.

Main technical specifications of the Diamond Jet MU-300
Dimensions
The dimensions of the Diamond Jet MU-300 are designed to maximize space and comfort while ensuring optimal performance. With an overall length of 13.41 meters and a wingspan of 12.19 meters, this aircraft offers a spacious cabin for passengers.
| Dimension | Value |
|---|
| Overall Length (m) | 13.41 |
| Wingspan (m) | 12.19 |
| Height (m) | 4.27 |
| Cabin Length (m) | 4.57 |
| Cabin Width (m) | 1.52 |
| Cabin Height (m) | 1.45 |
The Diamond Jet MU-300 stands out for its exceptional performance. With a cruising speed of 740 km/h and a maximum speed of 800 km/h, it can cover distances of up to 3,700 km non-stop, making intercontinental travel accessible and fast.
| Performance | Value |
|---|
| Maximum Speed (km/h) | 800 |
| Cruising Speed (km/h) | 740 |
| Range (km) | 3,700 |
| Operational Ceiling (m) | 12,000 |
Engines
The MU-300 is powered by two Pratt & Whitney Canada JT15D-1 engines, renowned for their reliability and efficiency. These engines not only contribute to the aircraft’s performance but also ensure optimized fuel consumption, which is essential for commercial operators.
| Engine | Value |
|---|
| Number of Engines | 2 |
| Engine Type | JT15D-1 |
| Thrust (hp) | Not specified |
| Fuel Capacity (l) | Not specified |
Capacity
The Diamond Jet MU-300 is designed to accommodate up to 6 passengers, offering a comfortable and flexible living space. With a baggage compartment volume of 2.5 m³, this aircraft is ideal for business trips where flexibility and comfort are essential.
| Capacity | Value |
|---|
| Passengers | 6 |
| Crew | 1 |
| Baggage Volume (m³) | 2.5 |
| Cabin Zones | 1 |
Distinctive features
The Diamond Jet MU-300 has unique characteristics, such as:
- A spacious and well-arranged cabin for optimal comfort.
- High-performance engines with low fuel consumption.
- Advanced avionics systems for precise navigation.
- Operational flexibility for short and long journeys.
If you wish to delve deeper into the experience: check out our guide on Buying a Diamond Jet MU-300.
Diamond Jet MU-300 Cabin and Comfort
What is the cabin configuration and layout?
The Diamond Jet MU-300 cabin is designed to offer a pleasant travel experience. With a length of 4.57 m, a width of 1.52 m, and a height of 1.45 m, passengers benefit from ample space to move comfortably. The seating arrangement allows for easy interaction between passengers while preserving their privacy.
What materials and interior design are offered?
The MU-300’s interior design is elegant and modern, using high-quality materials that combine durability and aesthetics. Leather and recycled wood finishes create a warm and inviting atmosphere, ideal for business or leisure travel.
What comfort experience for passengers?
Diamond Jet MU-300 passengers benefit from superior comfort thanks to ergonomic seats and a quiet environment. The cabin acoustics have been carefully studied to minimize engine noise, allowing for easy conversations and relaxation during the flight.
What equipment and services are available on board?
On board the MU-300, passengers can enjoy various modern amenities, such as an entertainment system, Wi-Fi, and refreshment options. The aircraft is also equipped with a lavatory, ensuring optimal comfort during long journeys.
What customization options are offered?
Owners of the Diamond Jet MU-300 have the option to customize the interior according to their preferences. Whether it’s the choice of colors, materials, or layouts, every detail can be adjusted to meet passenger expectations.
Uses of the Diamond Jet MU-300
What types of trips does this jet favor?
The MU-300 is particularly well-suited for short to medium-haul flights, perfect for business trips or weekend getaways. Its 3,700 km range allows access to distant destinations with ease.
What is its operational flexibility?
Its lightweight design and performance make it a very flexible jet, capable of taking off and landing on shorter runways than many other jets. This makes it ideal for accessing secondary airports often overlooked by larger aircraft, thereby increasing travel options.
What typical operators or missions use it?
The Diamond Jet MU-300 is commonly used by companies and individuals looking to optimize their travel. It is also popular with air charter companies that offer on-demand services.
What is the indicative cost (new/used/charter)?
The charter cost for the Diamond Jet MU-300 is approximately 3,800 EUR per hour. For the purchase of a new aircraft, prices can vary considerably depending on customization, while for a used aircraft, price ranges are generally between 1.5 and 3 million euros, depending on condition and equipment.
Come see what the aeronautical world thinks: Diamond Jet MU-300 Reviews.
Disadvantages of the Diamond Jet MU-300
While the Diamond Jet MU-300 is an excellent choice in the light jet category, it does have some drawbacks. Its operating costs can be relatively high, particularly in terms of maintenance and fuel. Furthermore, its range, while impressive, is less than some competing models, limiting certain direct flight options. Finally, the cabin, though comfortable, is less spacious than that of larger jets, which can be a factor for travelers seeking maximum space.
Quick Comparisons
In the very light jet sector, several models stand out. Here’s a comparative overview:
| Model | Brand | Range (km) | Passengers | Cruising Speed (km/h) |
|---|
| Diamond Jet MU-300 | Mitsubishi | 3,700 | 6 | 740 |
| Embraer Phenom 100 | Embraer | 2,300 | 4-5 | 700 |
| Cessna Citation M2 | Cessna | 3,540 | 6 | 735 |
| HondaJet HA-420 | Honda | 2,650 | 4-5 | 720 |
The Embraer Phenom 100 is a popular model for its comfort and performance, but with a slightly lower range. The Cessna Citation M2 stands out for its reputation for reliability, offering a spacious cabin but at a higher operating cost. Finally, the HondaJet HA-420 is appreciated for its innovative design and performance, although it has less passenger space.
Already own this aircraft? Discover our service for Selling a Diamond Jet MU-300.
Diamond Jet MU-300, In Conclusion
In summary, the Diamond Jet MU-300 stands as a preferred choice for travelers seeking efficiency, comfort, and flexibility. With its impressive performance and refined interior, this aircraft is ideal for business trips or personal travel. Although it presents some drawbacks in terms of operating costs and space, its strengths make it an essential jet in the very light segment, attracting a varied clientele ranging from businesses to individuals.