April 18, 2021

NASA's Mars Helicopter Ingenuity performs its first flight on Mars, marking the first powered, controlled flight on another planet.


Jezero Crater, Mars Exploration Program | NASA

Watercolor painting based depiction of NASA's Mars Helicopter Ingenuity performs its first flight on Mars, marking the first powered, controlled flight on another planet. (2021)

Mars Helicopter Ingenuity’s First Flight

On April 19, 2021, NASA’s Mars Helicopter Ingenuity successfully performed its first flight on Mars, making history as the first powered, controlled flight of an aircraft on another planet. This monumental achievement took place inside the Jezero Crater on Mars and represented a pivotal moment in space exploration.

Background

Ingenuity was carried to Mars attached to the belly of the Perseverance rover, which landed on February 18, 2021. The helicopter is a technology demonstration project aimed at proving that flight on Mars is possible. Due to Mars’ thin atmosphere, which is less than 1% of Earth’s surface pressure, developing a flying vehicle required engineering innovation to ensure lift capability.

The Flight Details

  • Date and Time: The flight occurred on April 19, 2021, at approximately 12:33 PM Mars local time (equivalent to 3:34 AM EDT).
  • Duration and Altitude: Ingenuity’s flight lasted roughly 39.1 seconds. It reached a maximum altitude of about 10 feet (3 meters).
  • Maneuver: The helicopter took off vertically, hovered, executed a 96-degree turn, and then safely landed back on the Martian surface.

Technology and Challenges

Ingenuity weighed just under 4 pounds (1.8 kilograms) and featured counter-rotating blades that spun at about 2,500 revolutions per minute, much faster than would be required on Earth to achieve lift. Significant challenges included surviving the cold Martian nights and operating autonomously with pre-uploaded commands due to communication time delays between Mars and Earth.

Significance and Aftermath

Ingenuity’s successful flight marked a new chapter in extraterrestrial exploration, demonstrating new capabilities for future Mars missions. The helicopter’s achievement opened possibilities for aerial exploration, including scouting new terrains for vehicles or human explorers and collecting data in previously inaccessible locations.

Subsequent flights in the following weeks continued to test the limits of the helicopter’s capabilities, with each subsequent mission building on the successes of the previous endeavors. Ingenuity’s success provides critical insights and serves as a chapter in the ongoing efforts towards broader space exploration and understanding of the Martian environment.

Source: mars.nasa.gov