Date:	Wednesday 8 March 2023
Time:	23:17
Type:	Airbus A220-300
Owner/operator:	Air Baltic
Registration:	YL-AAP
MSN:	55051
Year of manufacture:	2019
Total airframe hrs:	8923 hours
Cycles:	5261 flights
Engine model:	PW1521G-3
Fatalities:	Fatalities: 0 / Occupants: 95
Aircraft damage:	None
Category:	Serious incident
Location:	Riga International Airport (RIX/EVRA) -   Latvia
Phase:	Landing
Nature:	Passenger - Scheduled
Departure airport:	Paris-Charles de Gaulle Airport (CDG/LFPG)
Destination airport:	Riga International Airport (RIX/EVRA)
Investigating agency:	TAIIB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
Air Baltic flight BT694, an Airbus A220-300, suffered a runway excursion of the nose wheel after landing on runway 18 at Riga International Airport (RIX) in heavy snowfall.



Causes:
Primary cause
The runway excursion of the aircraft during landing.
Contributing causes
- Landing on the contaminated runway surface under increasing wind gusts;
- Rapidly changes of the runway surface condition due to the meteorology;
- Uncontrolled sliding of the aircraft on the runway surface;
- Inaccuracy of assessment of the airport runway condition;
- Delay in the apply of the manual braking by the pilot.
Proximate cause
The deficiencies in the operation of the aircraft brake control system.


Weather reported about the incident time (2117Z):
EVRA 082150Z 24010KT 210V290 5000 SHSN SCT007 BKN013CB OVC015 M02/M03 Q0990 TEMPO 3000
>> EVRA 082120Z 25010G23KT 200V290 3200 SHSN SCT007 BKN009CB OVC014 M02/M03 Q0989 BECMG 6000 NSW
EVRA 082050Z 25010KT 200V300 2500 SHSN SCT007 BKN010CB OVC014 M02/M03 Q0989 BECMG 6000 NSW

Weather reported about the incident time (2117Z):
EVRA 082150Z 24010KT 210V290 5000 SHSN SCT007 BKN013CB OVC015 M02/M03 Q0990 TEMPO 3000
>> EVRA 082120Z 25010G23KT 200V290 3200 SHSN SCT007 BKN009CB OVC014 M02/M03 Q0989 BECMG 6000 NSW
EVRA 082050Z 25010KT 200V300 2500 SHSN SCT007 BKN010CB OVC014 M02/M03 Q0989 BECMG 6000 NSW

https://www.flightradar24.com/data/flights/bt694#2f73cb76

airBaltic on flight BT694: pic.twitter.com/lKjw7zuPHJ

— airBaltic (@airBaltic) March 8, 2023

Date/time	Contributor	Updates
22-Apr-2024 12:16	ASN	Updated [Total occupants, Narrative, Accident report]
22-Apr-2024 12:23	ASN	Updated [Narrative]