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The Enduring Legend

A comprehensive exploration of the iconic Piper PA-18 Super Cub, a testament to robust design and unparalleled versatility in aviation.

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The Piper PA-18 Super Cub

A Legacy in the Sky

The Piper PA-18 Super Cub is a quintessential two-seat, single-engine monoplane that has cemented its place in aviation history. Introduced by Piper Aircraft in 1949, it evolved from the PA-11 Cub Special, tracing its lineage back to the foundational Taylor E-2 Cub of the 1930s. With over 10,000 units produced across nearly four decades, its enduring appeal lies in its robust construction and exceptional performance envelope.

Versatile Applications

Renowned for its Short Take-Off and Landing (STOL) capabilities, the Super Cub excels in demanding roles. It is a preferred choice for bush flying, banner towing, and glider towing, demonstrating remarkable adaptability across diverse operational environments. Its simple, reliable "rag and tube" construction, combined with powerful engine options, makes it a favorite among pilots and operators worldwide.

Production and Evolution

Manufactured from 1949 to 1983, with subsequent production runs in 1988-1994, the Super Cub saw continuous development. Early models featured a 95 hp Continental engine, while later variants, such as the popular PA-18-150, were equipped with 150 hp Lycoming engines, significantly enhancing performance. This evolution, coupled with numerous aftermarket modifications, has ensured the Super Cub's relevance and popularity.

Design and Development

Core Construction

The PA-18 Super Cub adheres to the classic Piper "rag and tube" construction philosophy. This involves a robust steel tube fuselage frame over which fabric is stretched and doped. This method, inherited from its predecessors like the J-3 Cub, provides a lightweight yet durable airframe, contributing to the aircraft's excellent handling characteristics and ease of maintenance.

Performance Enhancements

Compared to earlier Cubs, the Super Cub introduced significant upgrades. Key among these were the inclusion of an electrical system, three-notch flaps for enhanced lift and reduced stall speed, and more powerful engines. Standard models were fitted with 150 hp Lycoming O-320 engines, but many were later modified with 160 hp or even 180 hp powerplants, further boosting its impressive short-field performance.

Adaptability

The Super Cub's high-lift wing and powerful engine configuration made it an ideal platform for conversion to floatplanes or skiplanes. This adaptability significantly expanded its operational utility, allowing access to remote areas and water-based operations. An agricultural variant, the PA-18A, was also produced for crop dusting and spraying applications.

Variants

Key Civilian Models

Piper produced numerous variants of the Super Cub, catering to different needs and engine configurations. These models often differed in engine power, equipment, and specific features like flaps or fuel tank capacity.

  • PA-18 Super Cub (PA-18-95): Initial variant with a 95 hp Continental C-90 engine.
  • PA-18-105 Super Cub: Fitted with a 105 hp Lycoming O-235 engine and an enlarged tailplane.
  • PA-18-125 Super Cub: Featured a 125 hp Lycoming O-290 engine and horn-balanced elevators.
  • PA-18-135 Super Cub: Utilized a 135 hp Lycoming O-290 engine, often with dual wing tanks as standard.
  • PA-18-150 Super Cub: A highly popular variant from 1954, powered by a 150 hp Lycoming O-320 engine.
  • PA-18-180 Super Cub: An experimental variant with a 180 hp Lycoming O-360 engine.
  • PA-18A: Agricultural version designed for spraying and dusting operations.
  • PA-18S / PA-18AS: Designations for aircraft equipped with floats.

Military Designations

The Super Cub also served with military forces worldwide under various designations, primarily for liaison, training, and observation roles.

  • L-18C Super Cub: US Army designation for the 95 hp Continental C90-8F powered variant.
  • YL-21 Super Cub: Evaluation designation for two 135 hp Super Cubs by the US Army.
  • L-21A Super Cub: US Army designation for the 125 hp Lycoming O-290-II powered variant.
  • L-21B Super Cub: US Army designation for the 135 hp Lycoming O-290-D2 powered variant, later redesignated U-7A.
  • U-7A Super Cub: 1962 redesignation of the L-21B.

Numerous countries utilized the Super Cub in their military operations, including Argentina, Austria, Belgium, Cyprus, Germany, Greece, Iran, Italy, Israel, Japan, Katanga, Netherlands, Nicaragua, Norway, Portugal, Sweden, Switzerland, Turkey, Uganda, Uruguay, and the United States.

Specifications

Dimensions

Crew: 1

Capacity: 1 Passenger

Length: 22 ft 7 in (6.88 m)

Wingspan: 35 ft 2.5 in (10.732 m)

Height: 6 ft 8.5 in (2.045 m)

Wing Area: 178.5 sq ft (16.58 m²)

Aspect Ratio: 7:1

Performance

Max Speed: 130 mph (209 km/h, 113 kn)

Cruise Speed: 115 mph (185 km/h, 100 kn) (75% power)

Stall Speed: 43 mph (69 km/h, 37 kn) (flaps down)

Never Exceed Speed: 153 mph (246 km/h, 133 kn)

Range: 460 mi (740 km, 400 nmi)

Service Ceiling: 19,000 ft (5,800 m)

Rate of Climb: 960 ft/min (4.9 m/s)

Weights & Powerplant

Empty Weight: 930 lb (422 kg)

Max Takeoff Weight: 1,750 lb (794 kg)

Fuel Capacity: 36 US gal (140 L)

Powerplant: 1 × Lycoming O-320 air-cooled flat-four engine, 150 hp (110 kW)

Takeoff Distance (50 ft): 500 ft (152 m)

Landing Distance (50 ft): 725 ft (221 m)

Operators

Military Users

The Piper PA-18 Super Cub, particularly under its military designations like the L-18C and L-21 series, saw widespread service with air forces and ground forces globally. Its reliability and STOL capabilities made it invaluable for liaison, observation, and light transport duties.

North America: United States (Army, Air Force, Border Patrol), Canada

South America: Argentina, Uruguay

Europe: Austria, Belgium, Cyprus, Germany, Greece, Italy, Netherlands, Portugal, Sweden, Switzerland

Asia: Iran, Israel, Japan, Turkey

Africa: Uganda

Other: Katanga

Civilian Operators

Beyond military service, the Super Cub remains a highly popular aircraft in the civilian sector. It is favored by private pilots, flight schools, and specialized operators for its forgiving flight characteristics and exceptional utility.

Bush Flying: Essential for accessing remote areas, often equipped with large tires or floats.

Banner Towing: A common platform for aerial advertising.

Glider Towing: Its robust climb performance makes it suitable for launching gliders.

Flight Training: Widely used for primary and advanced flight instruction.

Recreation: A beloved aircraft for recreational flying and backcountry adventures.

Specialized Services: Used by organizations like the U.S. Fish and Wildlife Service and Alaska State Troopers for patrol and observation.

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References

References

A full list of references for this article are available at the Piper PA-18 Super Cub Wikipedia page

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Disclaimer

Important Notice

This page was generated by an Artificial Intelligence and is intended for informational and educational purposes only. The content is based on a snapshot of publicly available data from Wikipedia and may not be entirely accurate, complete, or up-to-date.

This is not aviation advice. The information provided on this website is not a substitute for professional aviation consultation, pilot training, or adherence to official aircraft manuals and regulations. Always consult with qualified aviation professionals and refer to official documentation for operational guidance.

The creators of this page are not responsible for any errors or omissions, or for any actions taken based on the information provided herein.