A318/B738, Nantes France, 2010

A318/B738, Nantes France, 2010

Summary

On 25 May 2010 an Air France Airbus A318 making an automatic landing off an ILS Cat 2 approach at Nantes experienced interference with the ILS LOC signal caused by a Boeing 737-800 which was departing from the same runway but early disconnection of the AP removed any risk of un-correctable directional control problems during the landing roll. Both aircraft were operating in accordance with their ATC clearances. Investigation attributed the conflict to the decision of TWR not to instruct the A318 to go around and because of diminished situational awareness.

Description

On 25 May 2010, the crew of an Airbus A318 (F-GUGC) being operated by Air France on a scheduled passenger flight from Lyon to Nantes making an automatic landing on runway 03 at destination off an Instrument Landing System (ILS) approach made in day Instrument Meteorological Conditions (IMC) but with normal on-ground visibility was obliged to disconnect the AP prematurely after observing a directional deviation of the aircraft during the landing roll. Landing clearance had not been given until the aircraft was below DA because of a Boeing 737-800 (F-GZHD) being operated by Transavia France on a passenger flight from Nantes to Djerba, Tunisia taking off from the same runway.

Investigation

An Investigation was carried out by the French Bureau d'Enquêtes et d'Analyses (BEA). The annotated aerial view of the runway below, prepared by the BEA during the Investigation, includes various key timings and positions in respect of the relative progress of the two aircraft involved in the incident.

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