Mesa CRJ9 and Skywest E175 at Burbank on Feb 22nd 2023, loss of separation on runway

Last Update: June 21, 2024 / 11:39:02 GMT/Zulu time

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Incident Facts

Date of incident
Feb 22, 2023


Flight number

Aircraft Registration

ICAO Type Designator

A Skywest Embraer ERJ-175 on behalf of United, registration N619UX performing flight UA-5326 from Burbank,CA to San Francisco,CA (USA) with 73 people on board, had been cleared to line up runway 33, then waited in position for about two minutes.

A Mesa Airlines Canadair CRJ-900 on behalf of American Airlines, registration N954LR performing flight AA-5826 from Phoenix,AZ to Burbank,CA (USA) with 41 people on board, was on final approach to runway 33 when tower advised a departure was in position and would take off before them and instructed the aircraft to continue. A private aircraft on approach also to runway 33 got too close to the CRJ-900 and was instructed to go around.

About two minutes after the E175 had been cleared to line up runway 33, tower cleared the aircraft for takeoff and in the same sentence cleared the CRJ-900 to land.

The CRJ-900 however initiated a go around and was instructed to turn left, the crew reported receiving a TCAS RA, the E175 was instructed to continue their climb and was later instructed to turn left after the aircraft were clear of conflict. The E175 continued to destination, the CRJ-900 joined a downwind and landed on runway 33 about 12 minutes after the go around.

The NTSB reported: "NTSB investigating Feb. 22 runway incursion at Bob Hope Burbank Airport that occurred when a Skywest Embraer 175 was departing Runway 33 as a Mesa Airlines CRJ9 executed a pilot-initiated go-around as it was inbound for landing on the same runway. No damage or injuries reported."

On Jun 21st 2024 the NTSB released their preliminary report summarizing the sequence of events:

On February 22, 2023, about 1855 Pacific standard time (PST), Mesa Airlines (dba American Eagle) flight 5826, N954LR, a Bombardier CRJ900 and SkyWest Airlines (dba United Express) flight 5326, N619UX, an Embraer ERJ 170-200, were involved in a loss of minimum separation event at the Bob Hope Airport (BUR), Burbank, CA. The closest proximity was 0.29 miles at the same altitude. There were no injuries reported to the 73 passengers and crew onboard the SkyWest airplane or to the 41 passengers and crew members onboard the Mesa airplane.

The NTSB summarized the testimonies:

Mesa Airlines flight 5826

The flight crew of flight 5826 reported that they were cleared for the visual approach to runway 33 and instructed to contact the BUR airport traffic control tower (ATCT). After checking in with ATCT they were instructed to “continue for runway 33, traffic holding in position”. After multiple queries to ATCT to obtain a landing clearance with no response, and while on about a 2-mile final approach they were cleared to land followed immediately by a takeoff clearance for flight 5326. Concerned about maintaining adequate separation the flight crew asked ATCT to confirm their landing clearance to which the controller replied affirmative. At about 600 feet above ground level (AGL) and with flight 5326 in sight and beginning their takeoff roll flight 5826 flight crew elected to conduct a go-around. They notified ATCT of the missed approach and were instructed “roger, climb to 4,000 and turn right heading 270. No, left, left turn heading 270”. While in the turn they observed flight 5326 climbing underneath their aircraft and received a traffic advisory (TA) from the onboard traffic and collision advisory system (TCAS). Shortly thereafter, the ATCT instructed them to “turn right heading 240. Wait, left, left turn heading 240”. Having received a resolution advisory (RA) from the TCAS they notified the tower that they were complying with the RA to which she replied “Roger, contact LA approach”. The flight was vectored for another visual approach to runway 33 and landed without further incident.

SkyWest Airlines flight 5326

The flight crew of the flight 5326 reported that they were instructed by air traffic control to back taxi on runway 33 and line up and wait. After what appeared to be a couple minute delay they were cleared for takeoff and subsequently heard the ATCT confirm a landing clearance for another aircraft. Following departure, they turned left to a heading of 270° as required per the departure procedure. While rolling out of the turn they received a TCAS RA alert “descend, descend”. They responded to the RA and resumed normal operations following the TCAS “Clear of conflict” notification.

Burbank Air Traffic Control

The local controller stated that she was distracted by a SR-22 which was instructed to conduct a go-around on runway 26. However, she believed that flight 5326 had been cleared for takeoff when flight 5826 was on about a 2-mile final, and that standard runway separation would have existed had flight 5826 continued to a full stop landing rather than initiating a missed approach. She said the pilot initiated missed approach was unexpected and another controller helped her deconflict the traffic by telling her to “turn them”.

According to FAA Order 7110.65Z, the controller was required to apply a 2-mile separation between a departing aircraft on its takeoff roll and an arriving aircraft on final approach. Radar data indicated that flight 5826 was about 1.5 miles from the runway threshold when flight 5326 was cleared for takeoff and about .80 mile from the runway threshold when they initiated the missed approach.
Aircraft Registration Data
Registration mark
Country of Registration
United States
Date of Registration
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Aircraft Model / Type
ERJ 170-200 LL
Number of Seats
ICAO Aircraft Type
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
Engine Type
Pounds of Thrust
Main Owner
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Incident Facts

Date of incident
Feb 22, 2023


Flight number

Aircraft Registration

ICAO Type Designator

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