26:14

Piston vs. Turbine Engines WHICH IS SAFER??

8:42

Types of Rotor Systems in Helicopters

21:19

Is the Robinson R44 A SAFE HELICOPTER

44:01

Robinson CEO Defends the R88’s 2-Blade Design

20:20

Mast Bumping - Causes and Prevention

2:20:21

Eşref Rüya 7. Bölüm

14:45

Helicopter Control - Flapping

10:26

WHY ARE HELICOPTERS SO EXPENSIVE TO RUN??