<p>Aviation regulator DGCA on Tuesday stated that IndiGo and GoAir will be replacing a total of 180 unmodified Pratt and Whitney (PW) engines on their A320neo planes with modified ones by the end of May this year. </p>.<p>IndiGo and GoAir have 106 and 43 such A320neo aircraft - fitted with PW engines - in their fleet, respectively. Post the induction of the aircraft into service, there have been a number of incidents of snag in their PW engines.</p>.<p>As there were more LPT (low pressure turbine) failure incidents in the aircraft in IndiGo's fleet, the airline was directed by the DGCA on November 1 last year to replace all unmodified engines in its fleet with modified ones by January 31.</p>.<p>Later, the regulator extended the deadline to May 30. GoAir was also told by the regulator to replace all unmodified engines by May 30.</p>.<p>The regulator stated on Tuesday that PW is in the process of setting up a maintenance, repair and overhaul (MRO) facility in India in collaboration with Air India for replacement of 3rd stage LPT (low pressure turbine) at their Mumbai facility.</p>.<p>"This will significantly reduce the time taken for the upgrade. The facility is expected to be operational by the end of February," said the Directorate General of Civil Aviation (DGCA).</p>.<p>"It involves procurement/replacement of approximately 180 engines, out of which about 90 engines are expected to be replaced by February-end and the rest by the end of May," it added. </p>
<p>Aviation regulator DGCA on Tuesday stated that IndiGo and GoAir will be replacing a total of 180 unmodified Pratt and Whitney (PW) engines on their A320neo planes with modified ones by the end of May this year. </p>.<p>IndiGo and GoAir have 106 and 43 such A320neo aircraft - fitted with PW engines - in their fleet, respectively. Post the induction of the aircraft into service, there have been a number of incidents of snag in their PW engines.</p>.<p>As there were more LPT (low pressure turbine) failure incidents in the aircraft in IndiGo's fleet, the airline was directed by the DGCA on November 1 last year to replace all unmodified engines in its fleet with modified ones by January 31.</p>.<p>Later, the regulator extended the deadline to May 30. GoAir was also told by the regulator to replace all unmodified engines by May 30.</p>.<p>The regulator stated on Tuesday that PW is in the process of setting up a maintenance, repair and overhaul (MRO) facility in India in collaboration with Air India for replacement of 3rd stage LPT (low pressure turbine) at their Mumbai facility.</p>.<p>"This will significantly reduce the time taken for the upgrade. The facility is expected to be operational by the end of February," said the Directorate General of Civil Aviation (DGCA).</p>.<p>"It involves procurement/replacement of approximately 180 engines, out of which about 90 engines are expected to be replaced by February-end and the rest by the end of May," it added. </p>