India, Sept. 3 -- India has mooted the idea of developing a standardised creditworthiness evaluation system for airlines that will also entail tiered risk-based terms for payments to be made to airports. A working paper for having a standardised Airline Health Score (AHS) framework to assess the financial, operational and safety performance of airlines was recently submitted to the International Civil Aviation Organisation (ICAO) ahead of its 42nd General Assembly scheduled to begin from September 23. Pitching for AHS, India said a significant proportion of revenue at most airports, particularly in developing countries, comes from aeronautical charges that are often collected on a post-service (credit) basis. While larger airlines may enj...