{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where","items":[{"count":null,"name":"San Juan, PR","note":"the town on the certificate","unit":"","url":""},{"count":null,"name":"Fernando Luis Ribas Dominicci Airport","note":"SIG","unit":"","url":"https://eflight.com/airports/SIG"},{"count":null,"name":"Luis Munoz Marin International","note":"SJU","unit":"","url":"https://eflight.com/airports/SJU"},{"count":490,"name":"Puerto Rico","note":"","unit":"aircraft registered","url":"https://eflight.com/states/PR"},{"count":171,"name":"Aircraft registered in San Juan","note":"","unit":"registered","url":"https://eflight.com/aircraft?city=San Juan&state=PR"}],"relation":"works in"},{"group":"Certificate","items":[{"count":null,"name":"FAA repair station certificate (Part 145)","note":"QX4R482M","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":"QX4R482M","city":"San Juan","country":"United States","id":"hill-aviation-llc","name":"Hill Aviation LLC","state":"PR","type":"repair-station","url":"https://eflight.com/repair-stations/hill-aviation-llc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}