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Insight: Friday 29 November 2019: Are IndiGo’s GTF problems self-induced?

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News

News reports out of India indicate that IndiGo, which has had inflight shut-down problems with the Pratt & Whitney GTF engine, may be improperly operating the engines.  Go Airlines, the other Indian LCC using the GTF, is not experiencing similar issues, nor are other users of the GTF.

The difference in operational procedures has drawn the attention of Indian regulators,  who looked into how IndiGo flew the airplanes with full thrust right after takeoff rather than throttle back to an alt-climb setting.

Analysis

IndiGo

has 730 A320neo family aircraft on order, making it the world’s largest neo customer. India’s DCGA conducted a comparison of the two Indian GTF operators and has identified operating procedures as a potential causal factor for the in-flight shutdowns.

News reports out of India indicate that IndiGo, which has had inflight shut-down problems with the Pratt & Whitney GTF engine, may be improperly operating the engines.  Go Airlines, the other Indian LCC using the GTF, is not experiencing similar issues, nor are other users of the GTF.

The difference in operational procedures has drawn the attention of Indian regulators,  who looked into how IndiGo flew the airplanes with full thrust right after takeoff rather than throttle back to an alt-climb setting.


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