The Squadron reformed at Hatfield on 17 February 1941 from No. 1 Anti-Aircraft Calibration Flight with Westland Lysanders.
Hatfield | Heston Aerodrome | Hendon Aerodrome | Mark Hatfield | aerodrome | Hatfield rail crash | Hounslow Heath Aerodrome | Hatfield Peverel | Bobby Hatfield | Warton Aerodrome | Khodynka Aerodrome | Hatfield House | Hatfield Aerodrome | Aerodrome | William Herbert Hatfield | William Hatfield | Welwyn Hatfield (UK Parliament constituency) | Welwyn Hatfield Council election, 2002 | Wainwright Aerodrome | Vulcan/Kirkcaldy Aerodrome | Vermilion Bay Water Aerodrome | Unity Aerodrome | Turweston Aerodrome | Tinker Hatfield | Thorne and Hatfield Moors Peat Canals | Stewart Aerodrome | Stapleford Aerodrome | Saint-Jean-Chrysostome Aerodrome | Mark O. Hatfield United States Courthouse | Kitkatla Water Aerodrome |
The Wing comprised 18 Mosquitos from No. 464 Squadron RAAF, No. 487 Squadron RNZAF, and No. 21 Squadron RAF, and was led by Group Captain Percy Charles Pickard (DSO and two bars), an experienced pilot and leader but who was inexperienced in low level attacks and underwent 10 hours' conversion training at Hatfield.