Tobias Holm

Founder of Planenerd, based in Denmark. Got a LEGO plane as a kid. Obsessed with aviation since. None of my friends want to talk about airplanes.

Learn about the green and red lights on a plane

What Are the Green and Red Lights on an Airplane?

Are you curious about what the airplane's green and red lights represent? Learn everything there is to know about airplane navigation lights.

Tobias Holm
Commercial Aviation

What Is the Decibel Level of a Jet Plane?

Jet engines are among the loudest machines in the world. Learn how noisy a jet engine is and why engineers try to make them quieter.

Tobias Holm
Commercial Aviation
The F-117 retired partly because of the F-22

Why Was the F-117 Retired?

With its innovative design and stealth technologies, the F-117 Nighthawk was a pioneer aircraft. So what led to the F-117's retirement?

Tobias Holm
Military Aviation
The top speed of the X-15 was 4,520 mph (7,274 km/h)

The North American X-15 Top Speed

The North American X-15 was the first operational spaceplane in the world. It still holds the record for the fastest crewed, powered flight in history.

Tobias Holm
Military Aviation

Here Are the Best Seats on an Airplane

Your preferences will determine which seat is the best on the plane. Here is a guide that will help you choose the right seat on the airplane.

Tobias Holm
Commercial Aviation

How Much Fuel Does an Airplane Use?

With climate change concerns headlining the world's agenda, people are focusing on more sustainable ways of living. Combined with the fact that fuel prices continue to increase, many of us are left wondering, "how much fuel does an airplane use?" A plane such as the Boeing

Tobias Holm
Commercial Aviation
How high does an airplane fly? Commercial jets usually flies between 31,000 and 38,000 feet.

How High Does An Airplane Fly?

Discover how high commercial airplanes fly and why this altitude provides the most fuel efficiency and the safest ride.

Tobias Holm
Commercial Aviation
How does aircraft Wi-Fi work on modern jet airliners? Usually it uses a satellite connection to provide Wi-Fi.

How Does Aircraft Wi-Fi Work?

Learn about the technology behind aircraft Wi-Fi, what it does, and how it works.

Tobias Holm
Commercial Aviation