Weather: unsettled with poor visibility.

Fighter Command Serviceable Aircraft as at 0900 hours:

  • Blenheim – 74
  • Spitfire – 232
  • Hurricane – 333
  • Defiant – 23
  • Gladiator – 8 (1 Flight only)
  • Total – 662

Fighter Command flew 688 sorties and succeeded in shooting down 2 German aircraft with no loss to themselves. Barry docks were attacked that night.

266 Squadron Operational Record Book, 30 July
Average temperature, sky overcast, visibility poor. Flying 3 hours. B Flight at readiness, Ac Flight available. Practices included Air Fighting tactics and sector reconnaissance. Raid investigation by one aircraft of Ac Flight.