ww77Airport information for Rantau Sentosa (MAF) (WW77) in , including runways, map, navaids, weather (METARTAF) and ATC frequencies. For flht simulation use only.WW77 Datasheet. Part #: WW7. Datasheet: 112Kb2P. Manufacturer: Willow Technologies Ltd. Description: FLAMEPROOF WIREWOUND RESISTORS. 54 Results.