Satellite and aerial maps of J6-A with nearby locations
| Nearby locations | Km | Bearing | |
|---|---|---|---|
 K1-A , Offshore Netherlands | 9.1 | 075 | EHJB |
 Hornsea 3 OWF , Offshore UK | 16.2 | 260 | |
| K4-BE , Offshore Netherlands | 17.7 | 111 | EHJD |
| Chiswick NUI platform , Offshore UK | 18.3 | 314 | |
| K4-A , Offshore Netherlands | 25.3 | 108 | EHJE |
| Carrack QA platform , Offshore UK | 28.8 | 200 |
J6-A |
1992 to present | ||
| 53° 49' 24'' N 2° 56' 38'' E | ||
| Southern North Sea, Markham Bravo HPZ, Offshore Netherlands | ||
| ICAO: EHJA | IATA: | Local: EKDAR |
| Elevation: 150 feet | ||
The Markham Gas Field was discovered in 1987 and was found to straddle the UK-Netherlands median line in the Southern North Sea. 
Although situated within the Netherlands Exclusive Economic Zone, Air Traffic operates within the London FIR.
