Aerologic B77F at Leipzig on Apr 21st 2013, rejected takeoff due to runway incursion

Last Update: July 11, 2013 / 16:29:09 GMT/Zulu time

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Incident Facts

Date of incident
Apr 21, 2013

Classification
Incident

Airline
Aerologic

Flight number
3S-512

Destination
Hong Kong, China

Aircraft Registration
D-AALC

An Aerologic Boeing 777-FZN, registration D-AALC performing flight 3S-512 from Leipzig (Germany) to Hong Kong (China), was accelerating for takeoff from Leipzig's runway 08R when a private Cessna 172 entered the runway via taxiway H5 about 1930 meters/6340 feet down the runway. The Boeing crew rejected takeoff at high speed and stopped the aircraft 789 meters/2590 feet ahead of the Cessna.

The Boeing 777 freighter was able to depart about 20 minutes later.

Germany's BFU released their final report in German, which was ended summarily without a formal conclusion.

The BFU reported, that the Cessna had reported ready for departure from H5, the tower acknowledged "(callsign Cessna), Leipzig Tower, hallo", then continued to clear the Boeing 777 for takeoff. While the Boeing 777 read the takeoff clearance back, the typical sounds of multiple senders transmitting on frequency occurred in the tower. The BFU reported, that only the readback of the Boeing could be heard, at the end of the transmission the voice of the Cessna pilot was heard "eight right". Both aircraft began moving simultaneously, the Boeing began the takeoff run and the Cessna began to taxi towards the runway.

The Cessna pilot reported that he believed he had received takeoff clearance assuming the tower wanted to prevent him departing into the wake turbulence of the Boeing 777.

The Boeing crew reported they noticed the Cessna moving when they were accelerating through 80 knots, when they had reached 100 knots the Cessna entered the runway. The crew reduced the engines to idle and initiated manual braking assessing that they had sufficient stopping distance, more than 1000 meters, available.

According to the flight data recorder the Boeing reached a maximum speed of 109 knots about 1050 meters ahead of the Cessna.

Shortly after the Boeing crew rejected takeoff and the aircraft was already slowing tower instructed the Boeing to stop, the crew advised they were already rejecting takeoff. Tower also instructed the Cessna to abort takeoff, the pilot complied and vacated the runway via taxiway H7, the Boeing 777 vacated the runway via S5, returned to the departure point and departed a short time later. The Cessna also departed a short time later.
Incident Facts

Date of incident
Apr 21, 2013

Classification
Incident

Airline
Aerologic

Flight number
3S-512

Destination
Hong Kong, China

Aircraft Registration
D-AALC

This article is published under license from Avherald.com. © of text by Avherald.com.
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