MYSQL Query issue with incorrect output -

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hi have following query :

$query = "select distinct registration, series, operator, msn, ln, model, status, pic, piccopy (select * (select * history status = 'active' order date asc) group ln) a2 group msn order ln asc";

this works - kind of.... see here

its listing airframes have been or active. need list active airframes. because airframe scrapped or put museum example - classed no longer active - e.g. preserved, same may scrapped, above query still sees active. can prevent showing aircraft may falling 1 of following categories:

  • grounded
  • scrapped
  • parted out
  • written off
  • missing
  • stored
  • preserved

however grounded /stored/preserved airframe may returned service , become active again, needs find latest "active" , display if not been withdrawn after date.

im guessing simple grabs records airframe eg et-aop, , selects last (latest date aka newest date) sees if active , if displays it, if not wont. how do this, driving me mental

since don't have table scheme, i've writing best guess.

this history table:

history_id plane_id  status (active, grounded, missing etc.)

selecting planes 'active' latest status:

select plane_id history   history_id in (   select max(history_id) history group plane_id   )  , status = 'active'

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