| Country | Air Rate | Insurance | Weight Pounds | Customs | |
| Group | Maximum | Maximum | Form | |
| St Christopher (St Kitts & Nevis) | A | 200 | 44 | 2966-A | |
| Saint Helena | C | 165 | 44 | 2966-A | |
| Saint Lucia | A | 390 | 44 | 2966-A | |
| Saint Pierre & Miquelon | A | 600 | 44 | 2966-A | |
| Saint Vincent & Grenadines | A | 125 | 22 | 2966-A | |
| San Marino | C | 600 | 44 | 2966-B | |
| Sao Tome & Principe | D | 430 | 2966-B | | |
| Saudia Arabia | D | - | 44 | 2966-B | |
| Senegal | D | 600 | 44 | 2966-A | |
| Serbia-Montenegro (Yugoslavia)2 | C | 600 | 33 | 2966-A | |
| Scychelles | D | - | 44 | 2966-A | |
| Sierra Leon | D | - | 44 | 2966-A | |
| Singapore | D | 600 | 44 | 2966-A | |
| Slovak Republic | C | 600 | 33 | 2966-A | |
| Slovenia | C | | 600 | 2966-A | |
| Solomon Islands | C | - | 44 | 2966-A | |
| Somalia 1 | D | 430 | 44 | 2966-B | |
| South Africa | D | 600 | 44 | 2966-A | |
| Spain | C | 460 surface; 600 air | 44 | 2966-B | |
| Sri Lanka | D | 95 | 44 | 2966-B | |
| Sudan | D | - | 44 | 2966-B | |
| Suriname | B | 560 | 44 | 2966-B | |
| Swaziland | D | 590 | 44 | 2966-A | |
| Sweden | D | 600 | 44 | 2966-B | |
| Switzerland | B | 600 | 66 | 2966-B | |
| Syria | C | 600 | 44 | 2966-B | |