KLM B738 at Lisbon on Mar 3rd 2021, departure with incorrect takeoff data
Last Update: July 1, 2021 / 15:13:32 GMT/Zulu time
Incident Facts
Date of incident
Mar 3, 2021
Classification
Incident
Airline
KLM
Flight number
KL-1696
Departure
Lisbon, Portugal
Destination
Amsterdam, Netherlands
Aircraft Registration
PH-BCD
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
Portugal's GPIAA rated the occurrence a serious incident reporting, they were notified about the occurrence on April 29th 2021 only. The GPIAA reported neither captain nor first officer detected any issue or lack of takeoff performance. Data suggested however, that the takeoff performance had been computed for a full length (or intersection S4) departure (3705 meters/12,160 feet), the actual takeoff distance available however was 1395 meters/4,580 feet less leaving 2310 meters/7,580 feet available.
The GPIAA stated: "When using the U5 intersection with parameters of the S4 position, the take-off is developed with 1395m less than planned. This implies that the speed and altitude of the aircraft at the end of the runway may not be adequate for an All Engines Operative (AEO) condition and pose an unacceptable risk in the event of a One Engine Inoperative (OEI) condition."
The investigation is ongoing.
Aircraft Registration Data
Incident Facts
Date of incident
Mar 3, 2021
Classification
Incident
Airline
KLM
Flight number
KL-1696
Departure
Lisbon, Portugal
Destination
Amsterdam, Netherlands
Aircraft Registration
PH-BCD
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
This article is published under license from Avherald.com. © of text by Avherald.com.
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