The Avro Lancaster was a four-engined bomber of the Second World War, produced initially by Avro for the Royal Air Force.
The Avro Lancaster ເປັນ bomber ສີ່ວິສະວະກໍາຂອງສົງຄາມໂລກຄັ້ງທີສອງ, ການຜະລິດໃນເບື້ອງຕົ້ນໂດຍ Avro ສໍາລັບກອງທັບອາກາດ.