No fatalities

AIRBUS A321-211 accident at Romulus, MI, 22 Jul 2021

Romulus, MI, United States

On July 22, 2021, an AIRBUS A321-211 operated by DELTA AIR LINES INC was involved in an aviation accident near Romulus, MI. No fatalities were reported. Investigators recorded the probable cause as: While conducting the safety briefing, the forward flight attendant was thrown backwards into the flight deck door due to the sudden stopping of the airplane by the flight crew to prevent a collision with a bus. This summary draws on records from NTSB; 17 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards
AIRBUS A321-211
Photo: Julien.scavini / CC BY-SA 3.0, via Wikimedia Commons

Probable cause

While conducting the safety briefing, the forward flight attendant was thrown backwards into the flight deck door due to the sudden stopping of the airplane by the flight crew to prevent a collision with a bus. Contributing to this accident was the bus drivers difficultly in observing the airplane moving towards the roadway.

— NTSB Determination

Contributing factors

Use of equip/info — OtherPilotCabin crew

Frequently asked questions

What happened in the 22 Jul 2021 AIRBUS A321-211 accident near Romulus, MI?

While conducting the safety briefing, the forward flight attendant was thrown backwards into the flight deck door due to the sudden stopping of the airplane by the flight crew to prevent a collision with a bus. Contributing to this accident was the bus drivers difficultly in observing the airplane moving towards the…

Were there any fatalities in the 22 Jul 2021 AIRBUS A321-211 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 22 Jul 2021 involved an AIRBUS A321-211, operated by DELTA AIR LINES INC, at Romulus, MI.

What was the probable cause of the accident?

While conducting the safety briefing, the forward flight attendant was thrown backwards into the flight deck door due to the sudden stopping of the airplane by the flight crew to prevent a collision with a bus. Contributing to this accident was the bus drivers difficultly in observing the airplane moving towards the…