{"as_of":"2026-10-09","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where","items":[{"count":null,"name":"Sha Tin, Hong Kong","note":"the town on the certificate","unit":"","url":""}],"relation":"works in"},{"group":"Certificate","items":[{"count":null,"name":"FAA repair station certificate (Part 145)","note":"QO9Y122B","unit":"","url":""}],"relation":"holds"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"certificate":"QO9Y122B","city":"Sha Tin","country":"Hong Kong","id":"topcast-aviation-services-limited","name":"Topcast Aviation Services Limited","state":null,"type":"repair-station","url":"https://eflight.com/repair-stations/topcast-aviation-services-limited"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}