| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| SIN (SINGAPORE CHANGI INTL) | airport | Singapore | 1.35 | 103.99 | 22 | 0 | |
| SINA (São Francisco Airport) | airport | -22.79 | -53.20 | 1122 | 0 | ||
| SINAI HOSPITAL | airport | United States | 39.35 | -76.66 | 410 | 0 | |
| SINAI II | airport | United States | 39.36 | -76.66 | 320 | 0 | |
| SINB (Tubarão Heliport) | airport | -23.83 | -45.39 | 10 | 0 | ||
| SINC (Nova Conceição Agroindustrial Airport) | airport | -2.92 | -49.79 | 49 | 0 | ||
| SIND (Ondina Heliport) | airport | -13.01 | -38.50 | 109 | 0 | ||
| SINDAL | airport | Denmark | 57.50 | 10.23 | 92 | 0 | |
| SINDT | airport | United States | 40.29 | -98.82 | 1990 | 0 | |
| SINE (Ibar Heliport) | airport | -23.52 | -46.33 | 2412 | 0 | ||
| SINELE STRIP | airport | United States | 40.55 | -91.27 | 695 | 0 | |
| SINF (Codesp Heliport) | airport | -23.96 | -46.31 | 10 | 0 | ||
| SING (Fazenda São João Airport) | airport | -20.56 | -49.29 | 1739 | 0 | ||
| SINGAPORE CHANGI INTL | airport | Singapore | 1.35 | 103.99 | 22 | 0 | |
| SINGING RIVER HOSPITAL | airport | United States | 30.38 | -88.53 | 16 | 0 | |
| SINGLETON | airport | United States | 38.21 | -79.71 | 2060 | 0 | |
| SINGLETON'S LANDING STRIP | airport | United States | 41.35 | -86.63 | 685 | 0 | |
| SINH (Fazenda Esperança Airport) | airport | -22.65 | -53.56 | 804 | 0 | ||
| SINI (Baua`s Heliport) | airport | -23.20 | -48.99 | 1149 | 0 | ||
| SINJ (Fazenda Novo Horizonte - TATTERSAL Airport) | airport | -18.37 | -54.78 | 1205 | 0 | ||
| SINK (Fazenda Negrinha Airport) | airport | -21.88 | -50.87 | 1582 | 0 | ||
| SINL (Costão Heliport) | airport | -27.46 | -48.38 | 138 | 0 | ||
| SINM (Fazenda Itanhangá Airport) | airport | -13.10 | -56.53 | 938 | 0 | ||
| SINN (Fazenda Nova Holanda Airport) | airport | -8.81 | -46.36 | 1657 | 0 | ||
| SINO (Fazenda Mapisa Airport) | airport | -4.41 | -46.52 | 634 | 0 | ||
| SINOP | airport | Brazil | -11.88 | -55.59 | 1280 | 0 | |
| SINP (Fazenda Santa Maria Airport) | airport | -21.51 | -56.42 | 1083 | 0 | ||
| SINQ (Laranjal Airport) | airport | -0.79 | -52.49 | 250 | 0 | ||
| SINR (Fazenda Recanto Airport) | airport | -18.01 | -54.02 | 1231 | 0 | ||
| SINS (Fazenda Cachoeira do Lontra Airport) | airport | -21.29 | -53.71 | 1211 | 0 | ||
| SINT (Fazenda Santa Adélia Airport) | airport | -15.19 | -49.38 | 2251 | 0 | ||
| SINT TRUIDEN | airport | Belgium | 50.79 | 5.20 | 246 | 0 | |
| SINTRA | airport | Portugal | 38.83 | -9.34 | 440 | 0 | |
| SINU (Fazenda Xerez Airport) | airport | -21.92 | -56.71 | 936 | 0 | ||
| SINV (Fazenda Santa Rita Airport) | airport | -8.23 | -37.76 | 1634 | 0 | ||
| SINW (International Paper Luís Antônio Heliport) | airport | -21.57 | -47.92 | 1697 | 0 | ||
| SINX (VCP Jacareí Heliport) | airport | -23.37 | -46.02 | 1939 | 0 | ||
| SINY (Fazenda Nova Heliport) | airport | -8.16 | -36.20 | 1542 | 0 | ||
| SINZ (Xanadu Airport) | airport | -25.44 | -50.53 | 2796 | 0 |