PPRuNe Forums - View Single Post - Helicopter rotor noise question
View Single Post
Old 10th Jun 2019, 14:19
  #2 (permalink)  
ShyTorque

Avoid imitations
 
Join Date: Nov 2000
Location: Wandering the FIR and cyberspace often at highly unsociable times
Posts: 14,583
Received 441 Likes on 233 Posts
The aircraft perhaps hit a gust of wind and you briefly heard an increase in blade "slap".
ShyTorque is offline