Definitions by Class 197 TFW

NSA

Next Stop Annoucement

Connex South Eastern is Installing NSA on their Class 465s trains

NSA by Class 197 TFW August 28, 2026

AFB

it stands for Automatische Fahr- und Bremssteuerung which is in german Automatic driving and braking control which is used in german trains in germany

Imma use AFB in winter to prevent wheelspin

AFB by Class 197 TFW January 4, 2026