Several inventors built and tested powered flying machines before the Wright brothers flew at Kitty Hawk on December 17, 1903. None of them achieved what the Wrights did: sustained, controlled, piloted flight. But their attempts ranged from brief hops off the ground to controversial claims of half-mile flights, and they represent a global race to get airborne that was well underway by the time Orville left the ground.
Otto Lilienthal and the Glider Foundation
The most important pre-Wright aviator never used an engine at all. Otto Lilienthal, a German engineer, made close to 2,000 brief glider flights between the early 1890s and his death in a gliding accident in 1896. His best flights covered more than 300 meters (about 985 feet) and lasted 12 to 15 seconds across 16 different glider designs, all based on aerodynamic research he had conducted in the 1870s and 1880s.
Lilienthal’s work mattered enormously because it proved that heavier-than-air flight was physically possible and generated real aerodynamic data. The Wright brothers studied his published research closely. His death from a gliding crash also convinced them that control, not just lift or power, was the central problem to solve.
Clément Ader’s Steam-Powered Hop in 1890
French engineer Clément Ader built a bat-winged machine called the Éole, powered by a 20-horsepower steam engine driving a single propeller. On October 9, 1890, the Éole lifted off level ground under its own power and traveled about 50 meters at a height of roughly 20 centimeters. That makes it the first powered aircraft to leave the ground on its own, a full 13 years before the Wrights.
The catch: the Éole had no real flight control system. It could get airborne, but the pilot couldn’t steer it, climb, or do much of anything except ride it forward until it came back down. The French military funded Ader to build a successor, the Avion III, which failed its tests in 1897. France still celebrates Ader as a aviation pioneer, but historians generally classify his flights as uncontrolled hops rather than true flight.
Hiram Maxim’s Massive Test Rig
Hiram Maxim, the American-born inventor of the machine gun, took a brute-force approach. He built an enormous flying machine powered by two lightweight 180-horsepower steam engines, a staggering amount of power for the era. In 1894, during track-based testing in England, the machine accelerated to 40 miles per hour, lifted off its guide rails, flew about 200 feet, and crashed.
Maxim’s machine was never designed to fly freely. It ran along a track with guard rails meant to prevent it from rising too high. When it broke free and briefly became airborne, that was actually a failure of the test setup. The experiment proved that enough steam power could generate lift, but Maxim had no viable control system and eventually abandoned the project.
Samuel Langley’s Aerodrome Disasters
Samuel Langley, secretary of the Smithsonian Institution, was the Wright brothers’ most prominent rival. In 1896, his unpiloted Aerodrome No. 5 became the first engine-driven, heavier-than-air craft of substantial size to fly successfully, launched by catapult from a houseboat on the Potomac River. A quarter-scale model later flew 308 meters in August 1903.
Langley’s fatal mistake was assuming he could simply scale up his small unmanned models to carry a person. The aerodynamics, structural requirements, and control demands of a full-sized piloted aircraft were fundamentally different. His full-sized “Great Aerodrome” was launched twice in late 1903, both times crashing immediately into the Potomac. The second failure came on December 8, just nine days before the Wrights succeeded at Kitty Hawk. The humiliation ended Langley’s aviation work permanently.
Gustave Whitehead’s Disputed 1901 Claim
The most controversial pre-Wright claim belongs to Gustave Whitehead, a German immigrant living in Bridgeport, Connecticut. He claimed that on August 14, 1901, he flew a machine called Number 21 for a distance of half a mile. He later claimed even longer flights of two and seven miles over Long Island Sound in a heavier metal-framed version called Number 22.
If true, Whitehead would have beaten the Wrights by more than two years. But the evidence is thin. No photographs of the flights exist despite claims they were witnessed. When a Scientific American reporter visited Whitehead in Bridgeport in September 1903, no successful demonstration took place. The National Air and Space Museum has examined the claims in detail and considers them unsubstantiated. The debate resurfaced in 2013 when a Connecticut state law officially recognized Whitehead’s flight, but aviation historians remain largely unconvinced.
Karl Jatho’s Hops in Germany
Karl Jatho, a civil servant in Hannover, Germany, made powered hops in a motorized aircraft months before the Wrights. His first attempt covered just 18 meters at about 1 meter altitude. By November 1903, one month before the Wright flights, he reportedly achieved a continuous flight of 60 meters at 2.5 meters altitude.
For comparison, the Wrights’ four flights on December 17 covered distances of 37, 53, 61, and 260 meters at roughly 3 meters altitude. Jatho’s best distance was comparable to the Wrights’ shorter flights, but his machine lacked meaningful control. He could get airborne in a straight line, but he couldn’t turn, maintain altitude, or repeat the performance reliably.
Richard Pearse in New Zealand
Richard Pearse, a farmer in Canterbury, New Zealand, built a remarkably forward-looking monoplane from bamboo, tubular steel, wire, and canvas. Eyewitness testimony suggests his first flight attempt took place on March 31, 1903, nine months before Kitty Hawk. He reportedly flew about 50 yards down a road adjacent to his farm before crashing into his own gorse fence.
Pearse’s aircraft was genuinely ahead of its time. It closely resembled a modern microlight and featured innovations that wouldn’t become standard for decades: a monoplane wing layout, wing flaps, a rear elevator, tricycle landing gear with a steerable nosewheel, and variable-pitch propeller blades. But Pearse himself never claimed to have beaten the Wrights. In letters published in 1915 and 1928, he placed his own work in 1904 and stated plainly that he did not achieve proper flight. No details were recorded by Pearse or onlookers at the time, and the exact date remains uncertain, with some advocates arguing for March 1902 instead.
Why the Wrights Still Get the Credit
What separated the Wright brothers from everyone else wasn’t raw power or even getting off the ground. Several people managed that. The Wrights solved the control problem. Their three-axis control system, using wing warping, a movable rudder, and a front elevator together, let the pilot actively steer the aircraft in roll, pitch, and yaw. Every predecessor either had no control system, an inadequate one, or crashed because they couldn’t manage the aircraft once airborne.
The Wrights also designed their own engine when nothing on the market met their needs. It produced 12 horsepower at just 180 pounds, a power-to-weight ratio they calculated in advance based on their wind tunnel data and glider tests. Their approach was methodical in a way their competitors’ generally wasn’t: they tested wing shapes in a homemade wind tunnel, flew over a thousand glider flights to master control, and only then added an engine.
Their fourth flight on December 17, 1903, covered 260 meters in 59 seconds. It was witnessed, photographed, and repeatable. Within two years they were flying figure eights for half an hour at a time. No other claimant before them could demonstrate anything close to that level of sustained, controlled, piloted flight.