| OID | OID (database unique ID) - numeric datatype  A single column containing a database-unique identifier. It is this identifier which is actually used  to link all the records in all the tables to the same Occurrence. | 
                                            
                                                | ID | ID (Instance ID)  This is the instance ID in this table. | 
                                            
                                                | A22 | Aircraft altitude, specified in feet | 
                                            
                                                | A26 | Aircraft height, specified in feet | 
                                            
                                                | A33 | Total cycles a/c | 
                                            
                                                | A262 | Total number serious injuries | 
                                            
                                                | A263 | Serious injuries-unknown | 
                                            
                                                | A264 | SID route | 
                                            
                                                | A54 | Call sign | 
                                            
                                                | A66 | Co-ord entry flt level | 
                                            
                                                | A67 | Co-ord entry height, specified in feet | 
                                            
                                                | A68 | Co-ord exit altitude, specified in feet | 
                                            
                                                | A69 | Co-ord exit flt level | 
                                            
                                                | A70 | Co-ord exit height, specified in feet | 
                                            
                                                | A88 | Duration of flight, specified in hours | 
                                            
                                                | A93 | Elevation terrain | 
                                            
                                                | A98 | Escape time, specified in minutes | 
                                            
                                                | A100 | Fatal, cabin crew | 
                                            
                                                | A101 | Fatal, burns | 
                                            
                                                | A102 | Fatal, drowning | 
                                            
                                                | A103 | Fatal, fumes or gasses | 
                                            
                                                | A104 | Fatal, impact | 
                                            
                                                | A105 | Fatal, other reasons | 
                                            
                                                | A106 | Fatal, shock/exposure | 
                                            
                                                | A107 | Fatal, unknown reasons | 
                                            
                                                | A139 | Headwind loss, specified in knot | 
                                            
                                                | A145 | Number of cabin crew | 
                                            
                                                | A146 | Number of Co-Pilots | 
                                            
                                                | A147 | Number of crew | 
                                            
                                                | A148 | Number of other flight crew | 
                                            
                                                | A149 | Number of passengers | 
                                            
                                                | A150 | Number of PIC | 
                                            
                                                | A151 | Number of other persons | 
                                            
                                                | A152 | Total number of persons | 
                                            
                                                | A153 | Number of persons unknown category | 
                                            
                                                | A154 | Injuries unknown cabin crew | 
                                            
                                                | A155 | Injuries unknown co-pilot | 
                                            
                                                | A156 | Injuries unknown crew total | 
                                            
                                                | A157 | Injuries unknown other flight crew | 
                                            
                                                | A158 | Injuries unknown passengers | 
                                            
                                                | A159 | Injuries unknown pilot | 
                                            
                                                | A160 | Unknown other injuries on a/c | 
                                            
                                                | A161 | Total number unknown injuries | 
                                            
                                                | A162 | Injuries unknown | 
                                            
                                                | A175 | Maximum t/o mass, specified in kilograms | 
                                            
                                                | A180 | Minor injuries-cabin crew | 
                                            
                                                | A181 | Minor injuries-co-pilot | 
                                            
                                                | A182 | Minor injuries-crew total | 
                                            
                                                | A183 | Minor injuries-other crew | 
                                            
                                                | A184 | Minor injuries-passengers | 
                                            
                                                | A185 | Minor injuries-pilot | 
                                            
                                                | A186 | Minor other injuries on a/c | 
                                            
                                                | A271 | Impact angle specific, specified in degrees | 
                                            
                                                | A272 | Speed at impact, specified in knot | 
                                            
                                                | A273 | Speed (first event), specified in knot | 
                                            
                                                | A277 | SSR code | 
                                            
                                                | A279 | Standard instrument arrival route (STAR) | 
                                            
                                                | A282 | Length wreckage trail, specified in metres | 
                                            
                                                | A288 | Dist to exit, specified in metres | 
                                            
                                                | A289 | Time to alert, specified in minutes | 
                                            
                                                | A290 | Time to intervention, specified in minutes | 
                                            
                                                | A291 | Aircraft total time, specified in hours | 
                                            
                                                | A292 | Airspeed, specified in knot | 
                                            
                                                | A302 | Unspecific injuries-burns | 
                                            
                                                | A303 | Unspecific injuries-drowning | 
                                            
                                                | A304 | Unspecific injuries-gasses | 
                                            
                                                | A305 | Unspecific injuries-impact | 
                                            
                                                | A306 | Unspecific injuries-other | 
                                            
                                                | A307 | Unspecific injuries-shock | 
                                            
                                                | A308 | Unspecific injuries-unknown | 
                                            
                                                | A315 | Water depth where aircraft came to rest, specified in metres | 
                                            
                                                | A325 | Location across, specified in metres | 
                                            
                                                | A326 | Location along, specified in metres | 
                                            
                                                | A327 | Year built | 
                                            
                                                | A505 | RVR start of runway, specified in metres | 
                                            
                                                | A614 | RVR middle of runway, specified in metres | 
                                            
                                                | A615 | RVR end of runway, specified in metres | 
                                            
                                                | A650 | A/C out of service, specified in hours | 
                                            
                                                | A651 | Cost of repair, specified in euros | 
                                            
                                                | A652 | Loss of revenue, specified in euros | 
                                            
                                                | A678 | Part number - FDR | 
                                            
                                                | A681 | Part number - CVR | 
                                            
                                                | A694 | Holding entering time in UTC time | 
                                            
                                                | A716 | Holding leaving time in UTC time | 
                                            
                                                | A742 | Fuel mass on board, specified in tonnes | 
                                            
                                                | A808 | Flaps position, specified in degrees | 
                                            
                                                | A816 | Time deviating FL, specified in seconds | 
                                            
                                                | A817 | Cleared FL after | 
                                            
                                                | A879 | Encounter duration, specified in minutes | 
                                            
                                                | A932 | Vertical speed, specified in feet per minute |