TY - BOOK ID - 137107271 TI - Specification for airport and heliport beacons PY - 2005 PB - [Washington, D.C.] : U.S. Dept. of Transportation, Federal Aviation Administration, DB - UniCat KW - Airports KW - Heliports KW - Beacons KW - Lighting UR - https://www.unicat.be/uniCat?func=search&query=sysid:137107271 AB - ER -