Airports in cn-37 region

Dongying Shengli Airport
Jiaozhou/Jiaocheng Air Base
Jinan Air Base
Laiyang Air Base
Qingdao-Cangkou Air Base
Qingdao Naval Base
Wendeng Air Base
Yidu Air Base
Zhucheng Air Base
Jining Qufu Airport
Yaoqiang Airport
Shubuling Airport
Liuting Airport
Weifang Airport
Weihai Airport
Yantai Laishan Airport