| Volume | Year | Month | Page | In/Out-door | Subject | Class | Designer/Author | Model Name/Title | Article Description | |||
| XXV No5 | 1991 | May | 3 | Out | Letter | Nostalgia | Bob Hatscher | Civy Boy | Letter describing flaws & solution in Civy Boy's structure | |||
| XXV No5 | 1991 | May | 3 | Out | Cox medalian | 1/2A Nostalgia | Harlan Halsey | Rebuttal to Jan 91 Opinion | ||||
| XXV No5 | 1991 | May | 4 | Out | Space modeling Part 3 of3 | Model rocket | Dr Andrew Tomasch | Choice of model-launching & trimming boost gliders | ||||
| XXV No5 | 1991 | May | 5 | Out | Plans set | Boost HLG | A Tomasch | Generic rocket pod for HLG-Boost B4-2 | Generic rocket pod for boost HLG | |||
| XXV No5 | 1991 | May | 8 | Out | Tip-Pylon nicks | Gas | Terry Thorkildsen | Avoiding pylon nicks | ||||
| XXV No5 | 1991 | May | 8 | In/Out | Tip-on bending wood | All | Dick Hardcastle | Bending wood | ||||
| XXV No5 | 1991 | May | 9 | Out | Plan | Rubber Scale | Astral Aero Model Co. | The Boulion Paul Defiant | Reduced kit plan | |||
| XXV No5 | 1991 | May | 17 | Out | Plan set | F1H | Gary Madelin | Sister Moon | Commentary + one page with full scale rib templates | |||
| XXV No5 | 1991 | May | 18 | Out | Carbon reinforced spars | All | Norm D. Poti | Good how to on carbon reinforced spars | ||||
| XXV No5 | 1991 | May | 20 | Out | Valley Fever | William Nakashima M.D. | Over view of soil born prevalent in Lost Hills area | |||||