21SG

Call sign 21SG was granted to Two One Sierra Golf LLC by the Federal Communications Commission (FCC) on May 10, 2019 . The FCC license ID of this call sign is 4159082. More details about call sign 21SG can be found in the table below.

Call Sign	21SG
License Holder Name	Two One Sierra Golf LLC
Mailing Address Of the Licensee	3516 SW 110th St, Seattle, WA 98146
View all call signs in ZIP Code 98146 of Washington
The Attention Line In the Mailing Address	James W Young III

FCC License Id	4159082
Radio Service Code	AC
Description of the Radio service	Aircraft
Date When the FCC Granted the Authorization	2019-05-10
Date When the Authorization Has or Will Expire	2029-05-10
Date on Which the Authorization Was Cancelled
Date This Record Was Last Updated.	2019-05-10
Service Category	Safety of Life
High-level Service Category Description	Safety of Life
Licensing Source System	ULS
FCC Registration Number (FRN)	0028478089
License Status Status	Active
High-level License Status	Active
Description of Entity Type	Limited Liability Company
High-level Entity Type Description	Business