| Volume | Year | Month | Page | In/Out-door | Subject | Class | Designer/ Author | Model Name/ Title | Article Description | |||||
| XXV No4 | 1991 | April | 3 | Obituary, Duke Fox | AMA National Newsletter | Brief Obituary | ||||||||
| XXV No4 | 1991 | April | 4 | Out- | Space modeling (part 2 of 3) | Model rockets | Dr. Andrew Tomasch | Good article, engines, launchers and ignition system, boost gliders, and technical info | ||||||
| XXV No4 | 1991 | April | 6 | Out- | Contest results | Catapult glider | Ed.-Info, Fred Terzian | Brief overview of Oakland Cloud Dusters Super-Bowl Pre-game event. | ||||||
| XXV No4 | 1991 | April | 7 | Out- | Circle towhook | Towline gliders | Lee Hines | Review of circle tow hook by CST | ||||||
| XXV No4 | 1991 | April | 8 | Out- | Plan set | Old tome power | Radoslav Cizek | Pedro | 3 view with full size wing & stab ribs | |||||
| XXV No4 | 1991 | April | 10 | Out- | Beginners column, Question & answers | All | Fred Wilson | Talked about jig saws and balsa wood | ||||||
| XXV No4 | 1991 | April | 20 | Out- | Piston & liner, set-up | Power | John Lorbeicki | Care and feeding of engines cont'd Detailed piston & liner workings | ||||||
| XXV No4 | 1991 | April | 23 | Out- | Plan set | Rubber | Ed. Ligard | One-page 30" twin pusher | ||||||
| XXV No4 | 1991 | April | 24 | Out- | Survey results | Jerry Murphy | Results of general survey of NFFS membership from 1990 | |||||||
| XXV No4 | 1991 | April | 26 | Out- | Plans | Hand launch glider | Rick Pangell | Two-page full size plan-set | ||||||
| XXV No4 | 1991 | April | 28 | Out- | Contest Results | FAI | Maxmen FAI international results from Feb.91 | |||||||
| XXV No4 | 1991 | April | 31 | In/Out- | Boeing Hawks MAC | Loren Wright | Overview of club and its newsletter. | |||||||