What happened
On April 19, 2012, a Boeing 727-100, registration HK-727, operated by Aerosucre, was performing a non-scheduled cargo flight from Bogotá (SKBO) to Aruba (TNCA). Following takeoff from runway 13L at El Dorado International Airport, the aircraft failed to adhere to the prescribed noise abatement and instrument departure procedures (GUXUN 3, UASCA 3B).
Radar data analysis revealed that the aircraft maintained a low climb gradient during the initial ascent, crossing the Romeo waypoint at an altitude of only 8,900 feet. The crew reported experiencing an issue with the left engine pack shortly after takeoff, though the system returned to normal operation, and the flight continued to its destination. There were no injuries to the three crew members on board.
The investigation
The GRIAA investigation examined radar tracks provided by the ATS Quality Assurance Group, air traffic control logs, and the aircraft's weight and balance manifest. The investigation also reviewed the operator's General Operations Manual (MGO) and standard operating procedures (SOPs) regarding noise abatement and climb performance.
Investigators found that while the aircraft's weight and center of gravity were within permissible limits, the crew utilized a climb technique that deviated from the procedures established in the AIP Colombia for El Dorado. The investigation also noted that the operator had recently conducted crew training regarding improved climb performance and noise abatement procedures following similar previous events.