Z (up to table of contents)
Zacher, HansFlight test film: MIT symposium [Sailplanes\SB-9], January, page 14
Zimmermann, ArtAmerican glass, du Pont, S, April, page 26
None (up to table of contents)
Lenticular cloud stack over Tehachapi (Cover) [Meteorology; Cover], January, cover
Critique. Remember the little guy (Letter) [Soaring Society of America\Soaring Magazine], January, page 2
Better a near miss than a fallen angel (Letter) [Safety], January, page 3
Power training for soaring (Letter) [Training; Youth], January, page 3
Rebutting a rebuttal (Letter) [Sailplanes\Libelle], January, page 3
Playing with numbers (Letter) [Sailplanes\Schweizer\SGS 1-26], January, page 4
Australian Gliding Federation's sailplane design contest (Foreign Scene) [International\Australia; Competitions\Design], January, page 10
MIT symposium report [Instrumentation; Meteorology], January, page 13
MIT symposium report [Test Flying], January, page 14
Structures and materials: MIT symposium report [Construction\Sailplanes], January, page 14
Self-launching sailplanes: MIT symposium report [Motorgliders], January, page 15
Accidents at Vrsac: CIVV report [Safety], January, page 20
1974 world championships discussed; CIVV report [Competitions\World], January, pages 20-21
Standard class: CIVV report [Records], January, page 21
Best US competition pilots of 1972 [Competitions], January, page 24
Oxygen regulator and mask data (Herold's Hearsay) [Instrumentation], January, page 30
Radar beacon regulations (Herold's Hearsay) [Federal Aviation Agency], January, page 34
Blueprints: 1-26 and LP-49 (Cover) [Cover; Sailplanes\1-26; Sailplanes\LP-49], February, Cover
Helping the direct way (Letter) [Youth], February, page 2
Index of cross-country performance (Letter) [Cross-Country Soaring; Sailplanes\HP-10; Performance; Sailplanes\Weihe], February, page 2
For the cost of one raid (Letter) [Affiliates, Chapters, and Clubs; Youth], February, page 3
Lap racing and togetherness (Letter) [Competitions], February, page 3
The Mojave petroglyphs (Letter) [Literature], February, page 3
Make noise for silent flight (Letter) [Publicity], February, page 4
Optimum final glide speed (Letter) [Instrumentation], February, page 4
Big noise of 1972 (SSA in Action) [Federal Aviation Agency], February, page 6
Joy of soaring, by Conway, Carle (SSA in Action) [Literature], February, page 7
Kansas Soaring Association May Host Women's Beet (SSA in Action) [Women], February, page 9
New directors elected (SSA in Action) [People\Hal Lattimore; People\Rudy Allemann; People\John Ryan; People\John Williams; People\John Brittingham; Soaring Society of America\Directors; People\Floyd Sweet], February, page 9
Christinas bonanza (SSA in Action) [Archives and Museums], February, page 11
Issues film catalogue (SSA in Action) [Archives and Museums], February, page 11
39th US national soaring championship, Minden, Nevada; AS-W 17 [Sites\Minden, Nevada; Competitions\National], February, page 14
Three for the 49er [Homebuilts; Sailplanes\LP-49], February, page 16
Why does it cost so much? [Affiliates, Chapters, and Clubs; Costs; People\Jon Putnam; People\George Tweed; People\Mark Wild], February, page 28
If at first you don't succeed. Fly, fly again! Bond, "Speedy" [Women], February, page 34
Robert L. Moore Wins Eagle Eye Award for photography [People\Robert L. Moore; Photography; Museums], February, page 35
An environmental issue? (Herold's Hearsay) [Federal Aviation Agency], February, page 37
Experimental aircraft: operational limitation (Herold's Hearsay) [Experimental Aircraft; Federal Aviation Agency], February, page 38
Mode C Transponders (Herold's Hearsay) [Federal Aviation Agency], February, pages 38 or 39
Certification of pilots and flight instructors (Herold's Hearsay) [Certification; Federal Aviation Agency], February, page 39
Federal Aviation Agency Implements SFO TCA (Herold's Hearsay) [Federal Aviation Agency], February, page 39
A message missed (Letter) [Sailplanes\AS-W 12; Techniques\Wave Soaring; Safety], March, page 2
Discount prices? (Letter) [Costs], March, page 2
Power pitch (Letter) [Training], March, page 2
A "Cu" pin with emeralds? (Letter), March, page 6
Second annual soaring convention, San Antonio, Texas (SSA in Action) [Conferences, Conventions, and Meetings], March, page 7
Lilienthal Medal won by Karl Striedieck (SSA in Action) [People\Karl Striedieck; Awards\Lilienthal Medal], March, page 8
Warren Eaton memorial trophy won by Helen Dick (SSA in Action) [People\Helen Dick; Awards\Eaton], March, page 8
FFA tightens CFI launch limitations removal (SSA in Action) [Federal Aviation Agency; Techniques\Wave Soaring], March, page 11
Kestrel 19 ATC'D (SSA in Action) [Federal Aviation Agency; Sailplanes\Kestrel 19], March, page 12
Doppler radar technique for identifying bird species in flight: Random gusts [Birds\Instrumentation], March, page 13
Soaring for diamonds, Lincoln, Joseph C., now available in paperback (SSA in Action) [Literature], March, page 13
(Herold's Hearsay) [Sailplanes\Census], March, page 40
Ultralight gliders, FAA position (Herold's Hearsay) [Ultralight], March, page 40
2-22 flown by Roy Schlemeyer at Odessa, Texas (Cover) [Sailplanes\Schweizer\SGS 2-22; Cover], April, cover
Airspace (Letter) [Airspace], April, page 2
FAA action regarding airspace (Letter) [Federal Aviation Agency], April, page 2
Noise: Ford vs Schweizer, cont'd (Letter) [Sailplanes\Schweizer\SGS 2-32], April, page 2
Trailer graphics (Letter) [Trailers], April, page 2
Atlas didn't shrug (Letter) [Affiliates, Chapters, and Clubs; Youth], April, page 3
Clear-vision panels (Letter) [Equipment; Construction\Sailplanes; Techniques\Wave Soaring], April, page 3
How to avoid collisions: use your head (Letter) [Safety], April, page 3
Time heals many things (Letter) [Costs; Safety], April, page 3
Blanik airspeed corrections (Letter) [Instrumentation; Sailplanes\Blanik L-13], April, page 6
Differentiating insurance costs (Letter) [Insurance\Sailplane], April, page 6
Weekday discount tried (Letter) [Costs; Sites\Holiday Haven], April, page 6
Awards suggested (SSA in Action) [Awards; Training\Flight Instructors], April, page 8
Jon McMurty Top non-commercial instructor, 1972 (SSA in Action) [Mountain Soaring], April, page 8
Don Monroe Joins SSA staff (SSA in Action) [People\Don Monroe], April, page 9
Office installs telephone answering device (SSA in Action) [Soaring Society of America], April, page 9
Texas U gets Parker sailplanes (SSA in Action) [International\Pakistan; History\American\Texas], April, page 9
US pilot entry priority lists (SSA in Action) [Competitions], April, page 10
Accident report: Concept 70 (Safety Corner) [Sailplanes\Concept 70; Safety], April, page 30
Allegheny ridge running hazards (Herold's Hearsay) [Techniques\Ridge Soaring], April, page 34
Soaring convention, San Antonio, Texas (Herold's Hearsay) [Conferences, Conventions, and Meetings], April, page 34
Variometer note (Herold's Hearsay) [Instrumentation], April, page 34
Cover, May 1973 (Cover) [Cover; Sailplanes\A-21], May, Cover
Attention, Cherokee owners (Letter) [Affiliates, Chapters, and Clubs; Homebuilts; Newsletters], May, page 2
Reply to "Timeliness and lead-time" (Letter) [Herold, Carl], May, page 3
Timeliness and lead-time (Letter) [Operation Limitations], May, page 3
Better late than never (Letter) [Instrumentation], May, page 4
Duster association: A 13-meter contest? (Letter) [Affiliates, Chapters, and Clubs; Competitions; Sailplanes\Duster; Homebuilts], May, page 4
Glider vs. power training -. a CFI view (Letter) [Training], May, pages 5,11
Using the yaw string to center thermals (Letter) [Techniques\Wave Soaring; Techniques\Thermal Soaring], May, page 8
Second annual Smirnoff sailplane derby, Los Angeles, CA (SSA in Action) [Competitions\Smirnoff], May, page 9
International Women's international meet fund (SSA in Action) [People\Erica Scurr; Women; Competitions], May, page 12
New SSA state governors (SSA in Action) [Soaring Society of America], May, page 12
New SSA state governors (SSA in Action) [Soaring Society of America\Governors], May, page 12
Spring soaring symposium (SSA in Action) [Archives and Museums; Conferences, Conventions, and Meetings], May, page 12
Do you have a calendar photo? (SSA in Action) [Photography], May, page 13
Long soaring flights survey (SSA in Action) [Cross-Country Soaring], May, page 13
National Hang Glider Meet: Random Gusts [Hang gliders], May, page 13
Standard class trophy fund (SSA in Action) [Awards; Competitions\Class\Standard], May, page 13
New Zealand nationals decide world team (SSA in Action) [People\Alan Cameron; International\New Zealand], May, page 14
Dita Aldott Winner of "Award Print" citation, Move over, Alex! [Photography; People\Dita Aldott], May, page 35
Smoking and oxygen (Herold's Hearsay) [Safety], May, page 37
Hang gliding a spectator sport: Harold's Hearsay [Hang Gliders], May, page 38
Start and finish altitudes (Herold's Hearsay) [Techniques\Wave Soaring; Safety], May, page 38
New club at Huntsville, Alabama (Herold's Hearsay) [Affiliates, Chapters, and Clubs], May, page 39
Cirrus flown by Springer Jones over Texas (Cover) [Cover; Sailplanes\Cirrus; People\Springer Jones], June, cover
Hurrah for Stan Hall! (Letter) [Homebuilts; Costs], June, page 2
Canadian invitation (Letter) [International\Canada], June, page 4
Slipping and skidding, con't (Letter) [Techniques\Wave Soaring], June, page 4
A dangerous precedent (Letter) [Airspace], June, page 5
Baring & sharing mistakes, NO! (Letter) [Safety], June, page 6
Baring & sharing mistakes, Si! (Letter) [Safety], June, page 6
On the ball, Central Indiana Soaring Society, Indianapolis, Indiana (Letter) [Publicity; Sites\Indiana], June, page 6
Pop rivets (Letter) [Construction\Sailplanes; Homebuilts], June, page 8
Ridge soaring cloudstreets (Letter) [Techniques\Ridge Soaring], June, page 8
14th Congress, OSTIV, Waikerie, Australia (SSA in Action) [Conferences, Conventions, and Meetings\OSTIV; FAI], June, page 12
Nugget testing (SSA in Action) [People\Geof Steele; People\Paul Bikle; People\Jack Laister; Sailplanes\Nugget], June, page 14
Kirk Norris (SSA in Action) [Obituaries], June, page 15
Mano a mano, Wemple, Don [People\Don K. Wemple; Competitions], June, page 31
More on oxygen regulators (Herold's Hearsay) [Instrumentation], June, page 37
A thought on a parachute (Herold's Hearsay) [Commercial Operations; Parachutes], June, page 38
Does your Bayside work at cold temperature? (Herold's Hearsay) [Instrumentation\Radios], June, page 38
EAA and SSA (Letter) [Soaring Society of America; Experimental Aircraft Association; Homebuilts; 13-Meter Ciass], July, page 2
Catharsis and learning reinforcement (Letter) [Safety], July, page 3
HP-11 modification (Letter) [Sailplanes\HP-11], July, page 3
The Mohawk way (Letter) [Youth], July, page 4
The ultimate do-it-yourselfer? Tocumwal Soaring Centre (Letter) [International\Australia], July, page 4
Gus Scheuer, soaring pioneer (SSA in Action) [History\Soaring], July, page 7
"Mescalero" design revealed (SSA in Action) [Competitions\Design; People\George Applebay; Design\Competitions], July, page 8
FAA-SSA motorgliding meeting (SSA in Action) [Federal Aviation Agency], July, page 9
New SSA governor of North Dakota (SSA in Action) [Soaring Society of America\Governors; People\Thomas A. Nord], July, page 11
Senior pilot citation of National Pilots Assn. won by M. R. Nevin, sailplane pilot (SSA in Action) [People\M.R. Nevin; Awards], July, page 11
Smirnoff sailplane derby winner [People\Goran Ax; Competitions\Smirnoff; Sailplanes\Kestrel 17], July, page 12
Parker Leonard (SSA in Action) [Obituaries], July, page 13
Avoiding sink (Herold's Hearsay) [Techniques\Wave Soaring], July, page 39
Safety on the Blairstown Ridge (Herold's Hearsay) [Techniques\Ridge Soaring; Safety], July, page 39
2-33 and an Oregon sunset (Cover) [Sailplanes\Schweizer\SGS 2-33; Cover], August, cover
Now is the time (Letter) [Airspace; Federal Aviation Agency], August, page 2
Scoring systems Attention contest pilots (Letter) [Sailplanes\Schweizer\SGS 1-26], August, page 2
A checkout payoff (Letter) [Safety], August, page 3
The way to go, Holbrook, W. C. , Jl 73 ?20 Yaw strings: the simplest explanation (Letter) [Techniques\Wave Soaring], August, page 3
An offer to help (Letter) [Costs], August, page 4
The Javelin (Letter) [Costs; Sailplanes\Javelin], August, page 4
The straight wing - don't knock it! (Letter) [Aerodynamics], August, page 4
90 mph: Too fast in a 1-26? (Letter) [Sailplanes\Schweizer\SGS 1-26; Safety], August, page 5
Uncoordinated turn stalls (Letter) [Techniques\Wave Soaring], August, page 5
Chocteau Field, Great Falls, Montana (SSA in Action) [Sites\Montana], August, page 7
Wins US standard class championship (SSA in Action) [People\Karl Striedieck], August, page 7
1-26, North American soaring championships. Black Forest Gliderport, Colorado (SSA in Action) [Sailplanes\Schweizer\SGS 1-26], August, page 8
Region four north contest, Frederick, Maryland (SSA in Action) [Competitions\Regional], August, page 8
Slingsby Model T-51 Dart has severe metal corrosion on spar (SSA in Action) [Sailplanes\Slingsby; Federal Aviation Agency], August, page 8
Winner in region four north contest, Frederick, Maryland (SSA in Action) [People\Thomas Beltz], August, page 8
1973 Smirnoff sailplane derby [Competitions\Smirnoff], August, pages 18,19
Calculating the whole tow (Letter) [Launching\Aerotow], August, page 30
A fine feathered friend: soaring in Mexico (Letter) [International\Mexico], August, page 31
Ax takes Swedish Nats (Letter) [International\Sweden; People\Goran Ax], August, page 32
In-flight noise measurement (Letter) [Noise], August, page 32
Fatality: John Trice in region nine contest (Herold's Hearsay) [Safety], August, page 38
1-26 championships: Black Forest Gliderport 1973 (Cover) [Sailplanes\Schweizer\SGS 1-26; Cover], September, cover
Time for a freeze? (Letter) [Competitions\Classes\Standard], September, page 2
All right, Dad! (Letter) [Youth], September, page 3
First national hang gliding meet (Letter) [Hang Gliders], September, page 4
Mano a mano reply (Letter) [Competitions; People\Don K. Wemple], September, page 4
Three useful electronic circuits for sailplanes (Letter) [Instrumentation], September, page 6
Computerized tasks at Waikerie (SSA in Action) [Competitions\World], September, page 7
Lilienthal meet (SSA in Action) [Hang Gliders; People\Jack Lambie], September, page 8
4th US national standard class soaring championships [Competitions\National], September, page 21
8th National 1-26 North American championships, Sites^Colorado Springs, Colorado [Competitions\1-26], September, page 33
Wally Marra's "Drifter" (Homebuilder's Hall) [People\Wally Marra; Sailplanes\Drifter; Homebuilts], September, page 39
Wanted; a few real pros: Homebuilder's Hall [Design; Construction\Sailplanes], September, page 40
low-cost i.e. Cheapsoaring (Letter) [Costs], October, page 3
Memorial gift (Letter) [Archives and Museums], October, page 5
South African invitation (Letter) [International\South Africa], October, page 7
1st women's world soaring contest, Leszno, Poland (SSA in Action) [Competitions; Women], October, page 11
First in women's world soaring contest, Leszno, Poland (SSA in Action) [People\Pelagia Majewska], October, page 11
Second in women's world soaring contest, Leszno, Poland (SSA in Action) [People\Sue Martin], October, page 11
Quentin Berg [Obituaries], October, page 14
Schweizer Aircraft Corp. report [Manufacturers\Schweizer Aircraft Corporation; Sailplanes\Schweizer\SGS 1-35], October, page 36
H-301 Libelle Shifty center of gravity (Herold's Hearsay) [Sailplanes\HP], October, page 39
Positive control checks, everyone! (Herold's Hearsay) [Safety], October, page 40
My daddy has a sailplane (Cover) [Cover], November, cover
Accessories A dolly handle (Letter) [Construction\Sailplanes], November, page 2
Cheers and tips for the team (Letter) [Competitions\World; International\Australia\Waikerie], November, page 2
Fly American at Waikerie (Letter) [International\Australia\Waikerie], November, page 2
Contest scoring better as it is (Letter) [Competitions], November, page 3
Kids are serious (Letter) [Youth], November, page 3
Production costs Volume is the answer (Letter) [Construction\Sailplanes\Costs], November, page 3
The Marske "Pioneer" (Letter) [Homebuilts; Sailplanes\Pioneer II; Techniques\Thermal Soaring], November, page 4
3rd annual John J. Montgomery hang gliding championships (SSA in Action) [Competitions\California; Design; Ultralight], November, page 10
Margery Cosgrove (SSA in Action) [Obituaries], November, page 12
Roswell E. Franklin (SSA in Action) [Obituaries], November, page 12
Wortmann low-speed airfoils (Homebuilder's Hall) [Aerodynamics\Wortmann Airfoil}Design\Wortmann Airfoil], November, page 36
World team selection (Herold's Hearsay) [Competitions\World; International\New Zealand], November, page 39