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.

Each aircraft's registration is unique

What is an Aircraft Registration Number? A Comprehensive Guide

An aircraft registration number is a unique alphanumeric code that identifies a specific aircraft. Learn more about aircraft registration numbers and how they are used in the aviation industry.

Tobias Holm
Commercial Aviation
Airplane rivets on a Boeing 737

The Engineering Behind: Why Planes Use Rivets

Planes are riveted and not welded due to the structural integrity and flexibility that rivets provide. Learn more about why riveting is the preferred method for aircraft construction.

Tobias Holm
Commercial Aviation
Aviation uses knots like ships

Understanding Why Aviation Uses Knots

Learn why the aviation industry uses knots as a unit of speed measurement and how it relates to air navigational purposes. Explore the reasons behind this common practice.

Tobias Holm
Commercial Aviation
how do planes avoid each other

In-Flight Safety: How Do Planes Avoid Each Other?

Planes avoid each other using various technologies, protocols, and collision avoidance systems. Learn more about how planes ensure safe distance in the skies.

Tobias Holm
Commercial Aviation
aircraft tires are changed after 200-250 landings

Understanding How Often Airplane Tires are Changed

Airplane tires are typically changed based on a combination of factors including usage, wear, and manufacturer recommendations. Learn more about the frequency and process of changing airplane tires.

Tobias Holm
Commercial Aviation
The four forces of flight

Breaking Down the Four Forces of Flight

The four forces of flight include lift, weight, drag, and thrust. Understand the fundamentals of flight and how these forces work together.

Tobias Holm
Commercial Aviation
challenges of supersonic flight

The Challenges of Supersonic Flight

Supersonic flight presents several challenges, including sonic booms, fuel efficiency, heat generation, and environmental concerns. Learn about the obstacles and potential solutions for achieving supersonic travel.

Tobias Holm
Military Aviation
Bell X-1

The First Plane to Break the Sound Barrier

Learn about the first plane to break the sound barrier and the historical significance of this achievement. Explore the technology and the daring individuals who made it possible.

Tobias Holm
Military Aviation