Modifications to this production-block

B-22 high-speed turbo supercharger and revised elevator trim tabs added. Camouflage finish discontinued from 42-32044

B-17 Flying Fortresses in this production-block

S/NUnitFateManufacturer
42-31932 / Purdy Baby aka Miss Cue aka Sister Kate aka Rick-O-Shay IV
42-31933
    42-31934 / Marie Helena
    42-31935 / Stark’s Ark
    42-31936
        42-31937
            42-31938
                42-31939 / Spooks #6
                  42-31940
                      42-31941 / Big Stoop
                      42-31948
                          42-31950
                            42-31951
                              42-31952
                                42-31953
                                  42-31954
                                      42-31955
                                      42-31966
                                      42-31968 / Miss Irish
                                      42-31969
                                      42-31970 / Bertha the Blues
                                      42-31971 / Twenty-One or Bust
                                      42-31972 / Game Cook
                                      42-31973
                                      42-31974 / Bomboogie