Modifications to this production-block

Enclosed radio gun compartment with K-5 mount, Cheyenne tail gun position with N-8 sight, engine fire extinguisher system, five modified oxygen regulators, additional stowage in liferaft compartment, outside release handles for liferaft, parachute static lins at exits and hot air heating added. Provisions for SCR-515 radio deleted. Lorenz blind approach equipment deleted from 44-6376 and G-1 oxygen signal deleted from 44-6401.

B-17 Flying Fortresses in this production-block

S/NUnitFateManufacturer
44-6251
44-6256
44-6262 / Miss Pan-Am
44-6264
    44-6275
    44-6276 / Jersey Bounce
    44-6277
    44-6281
    44-6282
    44-6283 / Betty Lou
    44-6289
    44-6290
    44-6291
    44-6295 / White Cargo aka Heavenly Days
    44-6296
      44-6297 / Spirit of Pittwood
      44-6299
      44-6300
      44-6301 / Horizon
          44-6302 / Shoo Shoo Baby II
          44-6303 / The Lucky Strike
          44-6304
          44-6305
          44-6306
          44-6307 / Blonde Bomber