Your channel is such underrated one to be honest, I actually and literally was trying to understand this topic in the morning and somehow I ran into your channel and watched other useful videos of yours before I eventually found this one. Thank you, captain so much for your efforts
Great! Appreciate the feedback. Don't forget to check the Academy where you'll find the full theoretical A320 type rating course. academy.mindspacex.com
Simply,V1 is max speed to stop the plane( brakes, thust to idle,Spoilers,Rev(not credit or),& bring plane to complete stop within ASDA ,or to continue the take-off, that V1 speed is now the slowest/min for plane to climb to net height,35ft ,if EO, then to Mag bug,V2. Hope it helps .. Misleading to say V1 is decision speed
Hi, I do see your point. But we have to look to the documentation to get a broader perspective. The term ''Decision speed'' is not an Airbus term, but a term used generically in the industry. Airbus has the following definition for V1 in their FCOM: ''The highest speed, during takeoff, at which the flight crew has a choice between continuing the takeoff or stopping the aircraft.'' The term 'choice' would suggest a decision is to be made. All leading ATPL theory publishers, including Bristol, Oxford, PadPilot as well EASA defines V1 as ''Decision Speed''. From a performance perspective, V1 can be limited by ASDA (ground) but also by TOD (airborne). On a short runway V1 would be limited, so we are able to stop. However, on a long runway we are limited by the brake energy created if we attempt to stop (VMBE). This means V1 is where the "decision" has been made that a rejected takeoff is no longer an option.
Your channel is such underrated one to be honest, I actually and literally was trying to understand this topic in the morning and somehow I ran into your channel and watched other useful videos of yours before I eventually found this one. Thank you, captain so much for your efforts
Great! Appreciate the feedback. Don't forget to check the Academy where you'll find the full theoretical A320 type rating course. academy.mindspacex.com
Simply,V1 is max speed to stop the plane( brakes, thust to idle,Spoilers,Rev(not credit or),& bring plane to complete stop within ASDA ,or to continue the take-off, that V1 speed is now the slowest/min for plane to climb to net height,35ft ,if EO, then to Mag bug,V2. Hope it helps ..
Misleading to say V1 is decision speed
Hi, I do see your point. But we have to look to the documentation to get a broader perspective.
The term ''Decision speed'' is not an Airbus term, but a term used generically in the industry. Airbus has the following definition for V1 in their FCOM:
''The highest speed, during takeoff, at which the flight crew has a choice between
continuing the takeoff or stopping the aircraft.''
The term 'choice' would suggest a decision is to be made.
All leading ATPL theory publishers, including Bristol, Oxford, PadPilot as well EASA defines V1 as ''Decision Speed''.
From a performance perspective, V1 can be limited by ASDA (ground) but also by TOD (airborne). On a short runway V1 would be limited, so we are able to stop. However, on a long runway we are limited by the brake energy created if we attempt to stop (VMBE). This means V1 is where the "decision" has been made that a rejected takeoff is no longer an option.