Learjet 31A: Specifications, Performance, and Features

Step into the world of luxury aviation with the Learjet 31A, a remarkable business jet that combines exceptional performance, cutting-edge technology, and sophisticated design. Whether you’re a corporate executive or aviation enthusiast, this comprehensive guide will explore what makes this aircraft a standout choice in private aviation.

Overview of the Learjet 31A

The Learjet 31A represents the pinnacle of engineering excellence in business aviation. This high-performance jet has established itself as a leader in corporate and private aviation since its introduction in the early 1990s. With its impressive combination of speed, range, and altitude capabilities, the aircraft delivers an unmatched travel experience for discerning passengers.

History and Development of the Learjet 31A

The journey of the Learjet 31A began with its first service entry on August 15, 1991, marked by serial number 31A-035. Building upon its predecessor’s success, this enhanced version incorporated significant improvements in several key areas:

  • Enhanced range capabilities
  • Increased takeoff weight
  • Advanced avionics systems
  • Improved performance metrics
  • Enhanced safety features

Notable Variants of the Learjet 31

The Learjet 31 family encompasses several variants, each offering unique capabilities:

Variant Key Features
Base Learjet 31 Model 35/36 fuselage, ‘Longhorn’ wing, cruise altitude 41,000-47,000 feet
Learjet 31A/ER Extended range, improved takeoff weight, enhanced fuel capacity

Specifications of the Learjet 31A

The aircraft’s engineering excellence is evident in its comprehensive specifications, featuring delta fins for improved stability and a practical ski locker for leisure equipment storage.

Dimensions and Capacity

  • Length: 48 feet 8 inches (14.83 meters)
  • Wingspan: 43 feet 10 inches (13.36 meters)
  • Height: 12 feet 3 inches (3.73 meters)
  • Wing area: 264.5 square feet (24.57 m²)
  • Empty weight: 9,857 pounds (4,471 kg)
  • Maximum gross weight: 15,500 pounds (7,031 kg)
  • Passenger capacity: Up to 8 passengers with 2 crew members

Powerplant and Performance

The aircraft is powered by two Garrett TFE731-2 turbofan engines, each producing 3,500 lbf (15.6 kN) of thrust. The extended-range variant (31AER) features expanded fuel tanks for increased range and operational flexibility.

Performance Capabilities of the Learjet 31A

Operating efficiently at high altitudes, the Learjet 31A delivers exceptional performance metrics that set it apart in the business jet market.

Speed and Range

  • Maximum speed: Mach 0.81 (515 mph/829 km/h)
  • Range (31AER variant): 1,911 nautical miles (2,199 miles/3,539 kilometers)
  • Service ceiling: 51,000 feet
  • Cruise altitude: 41,000-47,000 feet

Service Ceiling and Altitude

The Learjet 31A’s exceptional service ceiling stands as one of its most distinctive features, enabling comfortable cruising at an impressive altitude of 51,000 feet (15,545 meters). This remarkable high-altitude capability offers significant advantages:

  • Operation above most weather systems
  • Avoidance of commercial air traffic
  • Enhanced flight smoothness
  • Improved fuel efficiency due to reduced drag
  • Maximized speed and range capabilities

Design and Features of the Learjet 31A

The Learjet 31A, announced in 1990, represents a masterful evolution in business jet design. This sophisticated aircraft combines elements from various Learjet models, featuring an innovative fusion of fuselage and wings that delivers both aesthetic appeal and exceptional performance. The addition of delta fins serves as a crucial design element, significantly enhancing yaw stability and overall flight characteristics, particularly during high-altitude operations.

Avionics and Cockpit Upgrades

The flight deck of the Learjet 31A underwent substantial improvements, featuring:

  • State-of-the-art avionics systems
  • Enhanced situational awareness tools
  • Advanced flight management systems
  • More powerful TFE731-2C engines
  • Improved fuel efficiency capabilities

Stability and Utility Enhancements

The Learjet 31A’s design excellence extends beyond performance to include practical amenities. The delta fins provide superior yaw stability, particularly crucial during high-speed and high-altitude operations. A standout feature is its dedicated ski locker, specifically designed for storing skiing and golfing equipment – a thoughtful addition that caters to the lifestyle needs of business executives and luxury travelers. This combination of performance features and practical amenities establishes the Learjet 31A as a versatile choice in the business jet market.

Market Value and Users of the Learjet 31A

Despite its status as a legacy model, the Learjet 31A maintains significant market presence, distinguished by its exceptional speed, luxury appointments, and advanced technology. Its enduring appeal in the pre-owned aircraft market stems from its impressive performance characteristics and prestigious reputation in the business aviation sector.

Current Market Value

The market value of Learjet 31A aircraft varies based on several key factors:

  • Aircraft age and condition
  • Maintenance history documentation
  • Avionics upgrade status
  • Engine life remaining
  • Interior and exterior condition
  • Total airframe hours

Primary Users and Applications

User Category Application
Private Individuals Executive travel, personal transportation
Corporations Business travel, executive transport
NASA Research and operational missions
Charter Companies Premium air travel services
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About Author

Dan Mercer

Dan Mercer, retired air traffic controller with 35 years of service at Chicago O’Hare International Airport. After graduating from the FAA Academy in Oklahoma City in 1978, he guided thousands of aircraft safely through some of America’s busiest airspace. During his distinguished career, Dan received multiple commendations for his calm handling of several potential disaster scenarios, including a severe weather crisis in 1994 that required rerouting over 200 flights. A respected mentor who trained dozens of controllers, he now spends his time volunteering at aviation museums and occasionally guest lecturing at flight schools. “The sky never gave me a day’s work—it gave me a lifetime of purpose; every safe landing was my reward.”

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