| Aircraft designation and Specs. | Category | Country | Operator |
|---|---|---|---|
| ASK16-FUB | Small Tropospheric | Germany | FUB |
| ATR42-SAFIRE | Large Tropospheric | France | SAFIRE |
| BAe146 - FAAM | Jets | United Kingdom | FAAM |
| C 182J - UM SEAES | Small Tropospheric | United Kingdom | Univ. Manchester |
| C 207 - FUB | Small Tropospheric | Germany | FUB |
| CASA 212 AR - INTA | Medium Tropospheric | Spain | INTA |
| CASA 212 RS - INTA | Medium Tropospheric | Spain | INTA |
| CITATION - NLR | Jets | Netherlands | NLR |
| DO228 - NERC-ARSF | Medium tropospheric | United Kingdom | NERC-ARSF |
| DO228-101 - DLR | Medium Tropospheric | Germany | DLR |
| DO228 /D-CFFU - DLR | Medium Tropospheric | Germany | DLR |
| ENDURO - KIT | Small Tropospheric | Germany | IMK-IFU |
| ERA SkyArrow-IBIMET | Small Tropospheric | Italy | CNR IBIMET |
| FA20 - SAFIRE | Jets | France | SAFIRE |
| G550 HALO - DLR | Jets | Germany | DLR |
| Learjet - Enviscope | Jets | Germany | Enviscope |
| METRO II - NLR | Medium Tropospheric | Netherlands | NLR |
| Partenavia-Enviscope | Small Troppospheric | Germany | Enviscope |
| PIPER AZTEC - SAFIRE | Small Tropospheric | France | SAFIRE |
| POLAR 5 - AWI | Large Tropospheric | Germany | AWI |
| Seneca - IBIMET | Small Tropospheric | Italy | CNR-IBIMET |