{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Models most reported","items":[{"count":2104,"name":"Bombardier CL-600 Challenger and CRJ","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/bombardier/cl-600#airworthiness"},{"count":1617,"name":"Boeing 737","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/boeing/737#airworthiness"},{"count":751,"name":"Airbus A320","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/airbus/a320#airworthiness"},{"count":708,"name":"Airbus A319","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/airbus/a319#airworthiness"},{"count":577,"name":"Airbus A321","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/airbus/a321#airworthiness"},{"count":571,"name":"Embraer ERJ 170 E170 and E175","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/embraer/erj-170#airworthiness"},{"count":537,"name":"Embraer EMB-145 ERJ 145","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/embraer/emb-145#airworthiness"},{"count":503,"name":"Boeing 767","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/boeing/767#airworthiness"}],"relation":"reported on"},{"group":"Engine series most reported","items":[{"count":67,"name":"General Electric CT7-9B","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/general-electric-ct7-9b#airworthiness"},{"count":44,"name":"Pratt & Whitney Canada PW150A","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/pratt-whitney-canada-pw150a#airworthiness"},{"count":44,"name":"Pratt & Whitney PT6A series","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/pratt-whitney-pt6a-series#airworthiness"},{"count":25,"name":"CFM International CFM56-5B4/3","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/cfm-international-cfm56-5b4-3#airworthiness"},{"count":14,"name":"Pratt & Whitney Canada PT6A-67P","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/pratt-whitney-canada-pt6a-67p#airworthiness"},{"count":13,"name":"Lycoming O-360-A4M","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/lycoming-o-360-a4m#airworthiness"}],"relation":"reported on"},{"group":"Orders","items":[{"count":0,"name":"FAA orders on landing gear","note":"","unit":"airworthiness directives","url":"https://eflight.com/directives?system=landing-gear"}],"relation":"governed by"},{"group":"More","items":[{"count":null,"name":"Every aircraft system","note":"","unit":"","url":"https://eflight.com/systems"},{"count":null,"name":"Every FAA order","note":"","unit":"","url":"https://eflight.com/directives"}],"relation":"see also"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"faa_orders":0,"failure_reports_10_years":12624,"id":"landing-gear","name":"Landing gear","type":"system","url":"https://eflight.com/systems/landing-gear"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}