NEW YORK- A Lufthansa (LH) Airbus A340-300, registered D-AIGT, received a possible pilot deviation warning from air traffic control soon after departing New York John F. Kennedy International Airport (JFK). The widebody was operating flight LH405 to Frankfurt Airport (FRA) when the event unfolded during its initial climb.
The trouble began when the flight crew tried to turn further left to avoid heavy weather ahead. A gap in communication with the departure controller led to a turn that was not approved, and the controller flagged the move as a potential deviation.
Weather Avoidance Turn Triggers A Controller Warning
The Airbus A340-300 climbed away from JFK and quickly ran into weather along its planned path. Air traffic control audio shows the crew asking for headings that would keep the aircraft clear of the storm cells.
The controller first turned the flight eastbound and then assigned a series of left headings toward its first fix, MERIT.
As the weather worsened, the crew reported that everything ahead of them was red on the radar and asked for a heading much further to the left, around 240 degrees.
The controller questioned the request, noting that other traffic was routing toward MERIT without any complaint. The crew then agreed to follow the controller’s direction.
Moments later, the controller instructed the flight to turn right onto heading 360 and delivered a firm warning. He told the crew: “This could be a possible pilot deviation. You turned the airplane without telling me; there is an aircraft right in front of you.”
What The ATC Recording Reveals
The recording captures a tense back and forth as both sides tried to balance weather avoidance with traffic separation.
According to the air traffic control audio published on YouTube by You Can See ATC, the crew wanted a wider left turn than the controller had cleared, while the controller was managing another aircraft in close proximity.
After the warning, the crew confirmed the right turn onto heading 360. The controller then approved a left heading of 205 and handed the flight to another departure frequency. The exchange ended without any reported loss of separation or emergency declaration.
The Aircraft And Route
The aircraft involved was a Lufthansa Airbus A340-300, a four-engine long-haul widebody registered D-AIGT. Flight LH405 is a scheduled service between New York JFK and Frankfurt (FRA), one of Lufthansa’s core transatlantic routes.
Frankfurt serves as the airline’s largest hub and its main base for transatlantic operations. The A340-300 is used on medium and long-haul sectors and remains part of Lufthansa’s widebody history on North Atlantic flying.
Understanding A Possible Pilot Deviation
A possible pilot deviation is a phrase controllers use when an aircraft appears to move away from an assigned clearance without approval. It is a formal notice that the action may be reviewed, and it does not always lead to enforcement.
In this case, the crew was reacting to severe weather while the controller was tracking nearby traffic. Such situations often come down to timing and clear communication, since a missed reply or a delayed instruction can bring two aircraft closer than intended.
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