Delta B739 and Delta A321 at Atlanta on Mar 30th 2022, ATC error causes loss of separation between two go arounds

Last Update: March 31, 2022 / 20:35:51 GMT/Zulu time

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Incident Facts

Date of incident
Mar 30, 2022

Classification
Incident

Flight number
DL-684

Aircraft Registration
N870DN

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

Airport ICAO Code
KATL

A Delta Airlines Boeing 737-900, registration N870DN performing flight DL-684 from New York JFK,NY to Atlanta,GA (USA), had already gone around once on approach to Atlanta's runway 08L due to weather and was on a second approach to runway 09R, when the crew decided again to go around due to weather and to divert to Augusta,GA (USA). Tower cleared the aircraft to turn right onto a heading of 170 degrees and to climb to 4000 feet at 21:57L (01:57Z Mar 31st).

A Delta Airlines Airbus A321-200, registration N329DN performing flight DL504 from Boston,MA to Atlanta,GA (USA), had been on approach to runway 09R preceding DL-684, went around due to weather as well, climbed to 4000 feet on ATC clearance and joined a downwind south of the runway in contact with Approach frequency.

While DL-684 climbed out to 4000 feet the separation between the aircraft reduced to about 200 feet vertical and less than 0.8nm horizontal according to FAA radar data when the crew initiated a descent, tower instructed the Boeing down to 6000 ah 3000 feet no delay. The Boeing crew descended the aircraft to 3000 feet and reported they had a TCAS advisory. DL-504 chimed in on tower frequency asking which frequency they should be on but was told "standby". The aircraft became clear of conflict, DL-684 was cleared to climb to 4000 feet again and received vectors to Augusta. DL-504 landed safely on Atlanta's runway 09R about 12 minutes after the loss of separation, DL-684 landed safely on Augusta's runway 17 about 30 minutes after the loss of separation.

The Boeing completed the flight the following day departing Augusta and landing in Atlanta with a delay of about 18 hours.




Metars:
KATL 310352Z 17019G31KT 10SM BKN150 OVC200 22/12 A2977 RMK AO2 PK WND 18033/0303 PRESFR SLP074 T02220122=
KATL 310252Z 19017G39KT 10SM BKN170 OVC250 23/11 A2982 RMK AO2 PK WND 17039/0247 SLP090 T02280111 51016=
KATL 310152Z 18020G36KT 10SM BKN180 BKN250 23/09 A2980 RMK AO2 PK WND 16040/0110 SLP084 T02330094=
KATL 310052Z 17019G31KT 10SM FEW050 SCT200 BKN250 24/06 A2979 RMK AO2 PK WND 19032/0012 SLP080 T02440061=
KATL 302352Z 18019G30KT 10SM FEW200 BKN250 26/05 A2977 RMK AO2 PK WND 18030/2351 SLP074 T02560050 10283 20244 56020=
KATL 302252Z 17019G30KT 9SM BKN250 27/05 A2979 RMK AO2 PK WND 18034/2242 SLP079 T02670050=
KATL 302152Z 18016G32KT 9SM BKN250 28/06 A2980 RMK AO2 PK WND 21034/2111 SLP085 T02780061=
Aircraft Registration Data
Registration mark
N870DN
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
737-900ER
Number of Seats
ICAO Aircraft Type
B739
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
AeAehAdkgqgA Subscribe to unlock
Engine Type
Main Owner
NmmhfefbnbkphbfflbgifbgbAbqgcclklmpbfipelmcckkpmjbAehcidck ikcegfAhpnpcAhfpnmellAciebAjbphejcmnjmiAjAhihjhpm pkd Subscribe to unlock
Incident Facts

Date of incident
Mar 30, 2022

Classification
Incident

Flight number
DL-684

Aircraft Registration
N870DN

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

Airport ICAO Code
KATL

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