FDR and CVR are in Singapore and No Means to open it here .Remember There is EU Air Safety Black List to overcome . The Review was postponed . Hence , Just to make things extra safe , these could be the recommendations by people , experts in the Body. The Crash Video's availability might have been the cause to suggest the changes for Stabilization Altitude. Recommendations Concerning Minimum Visibility were applied even before the Tara Air Crash , now Flights to lukla for example don't happen with a guaranteed visibility window .