The A340-300 was first on the market, but when the 777-200ER arrived amid changed ETOPS rules, the four holer found the twin a difficult competitor. We use our airliner performance model to understand why.
The A340-300 has about the same payload-range performance as the later introduced 777-200ER.
Its economics is competitive with the 777-200ER, yet sales dried up when the 777-200ER became available. We explain why.