Hop! E170 at Paris on Oct 21st 2020, on go around veered into departure path of other aircraft

Last Update: October 30, 2020 / 17:49:42 GMT/Zulu time

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Incident Facts

Date of incident
Oct 21, 2020

Classification
Incident

Airline
Hop!

Flight number
AF-7739

Departure
Brest, France

Aircraft Registration
F-HBXK

Aircraft Type
Embraer ERJ-170

ICAO Type Designator
E170

A Hop! Embraer ERJ-170 on behalf of Air France, registration F-HBXK performing flight AF-7739 from Brest to Paris Charles de Gaulle (France), was on final approach to Charles de Gaulle's runway 26L descending through about 1000 feet MSL when the aircraft encountered windshear prompting the crew to initiate a windshear escape and go around maneouver. The aircraft turned to the right and came into conflict with an A320 which departed runway 26R at the same time. ATC stopped the A320's climb at about 2300 feet MSL and turned the aircraft to the north (to their right) immediately, the Embraer was turned immediately south (to their left) and resolved the conflict that way. The A320 continued to their destination, the Embraer positioned for another approach to runway 26L and landed safely about 15 minutes after the go around.

A Brussels Airlines Airbus A320-200, registration OO-SNE performing flight SN-3634 from Paris Charles de Gaulle (France) to Brussels (Belgium), departed runway 26R, stopped the climb at 2300 feet and was turned north before the aircraft continued the climb.

On Oct 30th 2020 the French BEA reported they rated the occurrence a serious incident involving the risk of a collision in mid flight and opened an investigation (no minimum separation was reported so far by the BEA). The BEA stated with respect to the E170: "Following a windshear warning, they interrupted the approach. The aircraft's path deviated to the right causing an abnormal approximation with another aircraft taking off on runway 26R."

According to Mode-S Data transmitted by both aircraft the Embraer did not transmit position data, based on time differences of arrival of their transponder transmissions at at least 3 receivers (MLAT) a position estimate with a possible deviation of several hundred meters suggests the aircraft was well established and on center line on the final approach to runway 26L descending through 1100 feet MSL descending at about 700 fpm and 134 knots over ground. A minute later the aircraft is shown to the right of runway 26R however, having crossed the extended center line of runway 26R a first time before the runway threshold, turning parallel to the runways, overflying the terminals at about 1900 feet MSL still at 134 knots over ground before initiating a steep climb trading speed for altitude (speed over ground decreased by 21 knots from 134 knots to 113 knots over ground) and turning to the left to the south crossing the departure path of runway 26R at about 3600 feet MSL almost exactly overflying the A320 at 2300 feet.

The transponder of the A320 transmitted position data showing the aircraft was exactly over the extended center line of runway 26R when they stopped the climb at 2300 feet and turned north, just as the Embraer, based on the positions estimated by MLAT crossed the extended center line of runway 26R a second time, this time at 3600 feet MSL almost on top of the A320.

Metars:
LFPG 211200Z 20021G32KT 9999 BKN032 BKN040 20/13 Q1002 NOSIG=
LFPG 211130Z 20026G38KT 9999 BKN032 BKN038 20/13 Q1002 NOSIG=
LFPG 211100Z 19024KT 9999 BKN033 BKN040 19/13 Q1002 NOSIG=
LFPG 211030Z 19022G33KT 9999 SCT033 BKN040 20/13 Q1001 NOSIG=
LFPG 211000Z 20022KT 9999 FEW033 BKN040 19/12 Q1001 NOSIG=
COR LFPG 210930Z 21024G34KT 9999 FEW033TCU BKN040 19/12 Q1001 NOSIG=
COR LFPG 210900Z 19025KT 9999 BKN048 20/11 Q1000 NOSIG=
LFPG 210830Z 18022KT CAVOK 18/11 Q1000 BECMG 19020G35KT=
LFPG 210800Z 16018KT CAVOK 17/11 Q0999 BECMG 19015G25KT=
Aircraft Registration Data New!
Registration mark
F-HBXK
Country of Registration
France
Manufacturer
EMBRAER
Aircraft Model / Type
ERJ 170-100 LR
ICAO Aircraft Type
E170
Serial Number
Engine Count
Main Owner
AfnfeejcAfd blfjAAkkjnk bnmcgcekqghn bkgnpnnkdqgcpgmcdeeldfnikglhehf qqfhpmfmbb Subscribe to unlock
Main Operator
HqdAphhkhbnqdbnd ilfeflqj igjgcmlfqmdqmqAifpmfkmkj hcknn Subscribe to unlock
Incident Facts

Date of incident
Oct 21, 2020

Classification
Incident

Airline
Hop!

Flight number
AF-7739

Departure
Brest, France

Aircraft Registration
F-HBXK

Aircraft Type
Embraer ERJ-170

ICAO Type Designator
E170

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