Thanks very much, this has been my argument, I'm not too sure as to what CX or Dragonair or other 2 engine jets going into HK do, however, of the 4 major issues regarding this HK approach:
i.e Engine failure @>
-1 prior to the 2.5% limited minima i.e 1,150
or
-2 after it happens passing 1,150 BUT above 222 the minima (for 5% climb gradient)
or
-3 failure at 222' (5%)
or
-4 commencing the normal missed approach right turn towards the high country 2 engines missed approach (5% no problems) HOWEVER its having the engine failure during this missed approach (worse case being at the MAP).
I'm concerned as to app/clb certification requirements 2.1% gross clearing the required performance of 5% for that missed approach.
Sorry if the above issue sounds stupid, as I'm sure the HK 320 drivers must have faced this same issue.
Jepp provide for a single engine take off chart but that's in the other direction as compared to commencing the missed approach and carrying it out with an engine failing at the critical moment
If a legal eagle looks at this, surely he/she will recommend that the minima for these 07/25 high gross path missed approaches MUST be based on 2.1% to clear those bloddy high mountains therefore the minmas will be around the 1,200' mark where no-one will get in.
Glad to hear from 2 engine ops folk doing these approaches and request what do they do with the above
re-capping - everything is fine, going down to 222' minima based on the 5% gross climb gradient, then overshooting as per Jep procedure, then engine fails on intial part of this approach (your around 300' and you've got to get up to 4,500' on one engine amongst some seriously high ground carrying out the Jep missed approach procedure