airblue Fleet Status
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
airblue fleet status on March 7.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
airblue fleet status on March 14.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
airblue fleet status on March 21.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
airblue fleet status on March 28.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
airblue fleet status on April 1.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
airblue fleet status on April 7.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
In-active:
AP-EDH (February 28 - Karachi to Guangzhou flight for maintenance)
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
airblue fleet status on April 14.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
AP-EDH
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
AP-EDH
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
Abbas
Last edited by Abbas Ali on Tue Apr 15, 2025 10:18 am, edited 1 time in total.
Reason: edited
Reason: edited
-
- Registered Member
- Posts: 155
- Joined: Wed Nov 02, 2022 11:29 am
Re: airblue Fleet Status
AP-EDH is back in service. Right now, performing RUH-LHE sector.
-
- Registered Member
- Posts: 155
- Joined: Wed Nov 02, 2022 11:29 am
Re: airblue Fleet Status
AP-BOD is inactive since April 12.
airblue is clearly having hard times managing the neo aircrafts. They were seen more on the ground than in the skies.
airblue is clearly having hard times managing the neo aircrafts. They were seen more on the ground than in the skies.
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
On April 21, airblue Airbus A321neo aircraft registration AP-BOE returned to the skies when it left Islamabad at 5:59 PM as ferry flight PA9005 to Karachi with maximum altitude of 18,000 feet. AP-BOE was on the ground at Islamabad Airport since November 4, 2024.

Source: flightradar24.com
airblue fleet status on April 21.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
AP-EDH
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
Abbas

Source: flightradar24.com
airblue fleet status on April 21.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
AP-EDH
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
Abbas
-
- Registered Member
- Posts: 155
- Joined: Wed Nov 02, 2022 11:29 am
Re: airblue Fleet Status
AP-BOE today just performed a technical flight from Islamabad to Karachi while cruising at a lower altitude (18,000 ft), so it is not active “commercially“.
AP-BOD is inactive since 12 April.
What might have happened is that they might have removed parts from AP-BOD and put them on AP-BOE, so that it can „fly“ to Karachi.
AP-BOD is inactive since 12 April.
What might have happened is that they might have removed parts from AP-BOD and put them on AP-BOE, so that it can „fly“ to Karachi.
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
On April 22, airblue Airbus A321neo aircraft registration AP-BOE performed airline's Karachi to Islamabad commercial flight PA200. The aircraft departed from Karachi at 7:22 PM and arrived in Islamabad at 9:02 PM. Attained cruising altitude of 33,000 feet.

Source: flightradar24.com
Abbas

Source: flightradar24.com
Abbas
-
- Registered Member
- Posts: 1976
- Joined: Sat Jan 22, 2005 5:08 pm
- Location: Islamabad
Re: airblue Fleet Status
Thats correct, BOD is now parked at the same place in ISB with engines given to BOE.danyal77W wrote: Mon Apr 21, 2025 7:55 pm AP-BOE today just performed a technical flight from Islamabad to Karachi while cruising at a lower altitude (18,000 ft), so it is not active “commercially“.
AP-BOD is inactive since 12 April.
What might have happened is that they might have removed parts from AP-BOD and put them on AP-BOE, so that it can „fly“ to Karachi.
Adnan
-
- Registered Member
- Posts: 155
- Joined: Wed Nov 02, 2022 11:29 am
Re: airblue Fleet Status
I do not know when we will see both of them flying at the same time. Airblue, with its fleet of 12 aircraft, has a great potential to become a solid, medium-sized, regional airline with flights from Pakistan to all major cities in the GCC along with flights to Malaysia, and Thailand.
With 12 aircraft, it should also be able to serve key domestic stations rigorously, and improve the aircraft movements and air traffic passengers statistics across Pakistan.
The busiest airports of the world are not busy because of higher number of foreign airlines serving them, but mostly because of their strong home airlines, and also due to strong domestic network (DOH, DXB, SIN, AUH are exceptions here).
With 12 aircraft, it should also be able to serve key domestic stations rigorously, and improve the aircraft movements and air traffic passengers statistics across Pakistan.
The busiest airports of the world are not busy because of higher number of foreign airlines serving them, but mostly because of their strong home airlines, and also due to strong domestic network (DOH, DXB, SIN, AUH are exceptions here).
-
- Site Admin
- Posts: 54719
- Joined: Thu Aug 05, 2004 6:52 pm
- Location: Pakistan
Re: airblue Fleet Status
airblue fleet status on April 28.
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
AP-EDH
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
Abbas
Airbus A320
Active:
AP-BNU
https://www.flightradar24.com/data/aircraft/ap-bnu
AP-BNV
https://www.flightradar24.com/data/aircraft/ap-bnv
AP-EDA
https://www.flightradar24.com/data/aircraft/ap-eda
AP-EDG
https://www.flightradar24.com/data/aircraft/ap-edg
AP-EDH
https://www.flightradar24.com/data/aircraft/ap-edh
Airbus A321
Active:
AP-BMM
https://www.flightradar24.com/data/aircraft/ap-bmm
AP-BMN
https://www.flightradar24.com/data/aircraft/ap-bmn
AP-BMO
https://www.flightradar24.com/data/aircraft/ap-bmo
AP-BMW
https://www.flightradar24.com/data/aircraft/ap-bmw
AP-BOE
https://www.flightradar24.com/data/aircraft/ap-boe
In-active:
AP-BMP
https://www.flightradar24.com/data/aircraft/ap-bmp
AP-BOD
https://www.flightradar24.com/data/aircraft/ap-bod
Abbas