# Air traffic event - Type: NTSB defining event - NTSB code: 100 - CICTT category: Air Traffic - Defining event in: 83 cases - In the sequence of: 115 cases - Fatal cases: 0 - All cases: https://openairdocs.org/ntsb-events/100/cases.md - Cases with it anywhere in the sequence: https://openairdocs.org/ntsb-events/100/sequence.md - Page: https://openairdocs.org/ntsb-events/100 ## Cases per year (defining / in the sequence) - 2008: 1 / 6 - 2009: 3 / 5 - 2010: 6 / 7 - 2011: 6 / 9 - 2012: 3 / 5 - 2013: 2 / 3 - 2014: 1 / 4 - 2015: 3 / 4 - 2016: 4 / 5 - 2017: 4 / 5 - 2018: 7 / 8 - 2019: 3 / 4 - 2020: 2 / 2 - 2021: 2 / 4 - 2022: 4 / 6 - 2023: 7 / 9 - 2024: 7 / 8 - 2025: 4 / 6 - 2026: 14 / 15 ## Phase of flight - Takeoff: 19 cases - Approach: 12 cases - Approach-IFR final approach: 8 cases - Enroute-cruise: 6 cases - Enroute: 6 cases - Initial climb: 6 cases - Taxi-into takeoff position: 6 cases - Landing-landing roll: 4 cases - Landing: 4 cases - Approach-VFR go-around: 4 cases ## In the probable cause of these cases - [Incorrect action selection](https://openairdocs.org/ntsb-findings/02041010) (Personnel issues): 6 cases - [Accuracy of communication](https://openairdocs.org/ntsb-findings/02063515) (Personnel issues): 5 cases - [Decision making/judgment](https://openairdocs.org/ntsb-findings/02041520) (Personnel issues): 5 cases - [Forgotten action/omission](https://openairdocs.org/ntsb-findings/02041035) (Personnel issues): 4 cases - [Incorrect action performance](https://openairdocs.org/ntsb-findings/02041015) (Personnel issues): 4 cases - [Following instructions](https://openairdocs.org/ntsb-findings/02063537) (Personnel issues): 3 cases - [Lack of action](https://openairdocs.org/ntsb-findings/02041030) (Personnel issues): 3 cases - [Oversight of operation](https://openairdocs.org/ntsb-findings/04032015) (Organizational issues): 2 cases - [Safety](https://openairdocs.org/ntsb-findings/04024010) (Organizational issues): 2 cases - [Adequacy of policy/proc](https://openairdocs.org/ntsb-findings/04021015) (Organizational issues): 2 cases ## Aircraft models (registry) - [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4): 5 cases - [Embraer EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr): 3 cases - [Airbus Industrie A319-132](https://openairdocs.org/model/airbus-industrie-a319-132): 2 cases - [Boeing 737-832](https://openairdocs.org/model/boeing-737-832): 2 cases - [Boeing 737-823](https://openairdocs.org/model/boeing-737-823): 2 cases - [Raytheon Corporate Jets BAE 125-800](https://openairdocs.org/model/raytheon-corporate-jets-bae-125-800): 1 cases - [Piper PA-32R-300](https://openairdocs.org/model/piper-pa-32r-300): 1 cases - [Piper PA-28-151](https://openairdocs.org/model/piper-pa-28-151): 1 cases - [Mooney M20R](https://openairdocs.org/model/mooney-m20r): 1 cases - [Eurocopter Deutschland MBB-BK 117 C-2](https://openairdocs.org/model/eurocopter-deutschland-mbb-bk-117-c-2): 1 cases ## Newest cases - [NTSB DCA26WA343](https://openairdocs.org/ntsb/DCA26WA343), Aug 24, 2026: Airbus A320 (VH-VFX), Mascot, Australia, incident - [NTSB DCA26WA344](https://openairdocs.org/ntsb/DCA26WA344), Aug 16, 2026: Boeing 737 (VH-IXJ), Mascot, Australia, incident - [NTSB DCA26WA347](https://openairdocs.org/ntsb/DCA26WA347), Aug 9, 2026: Boeing 737-8 (N173AM), Fresno, CA, incident, no damage - [NTSB OPS26LA063](https://openairdocs.org/ntsb/OPS26LA063), Aug 4, 2026: Sikorsky VH3D (MILITARY - VM1), Washington, DC, incident, no damage, investigation ongoing - [NTSB DCA26WA291](https://openairdocs.org/ntsb/DCA26WA291), Jul 26, 2026: Boeing 737 (VH-XZG), Mascot, Australia, occurrence, no damage - [NTSB DCA26WA297](https://openairdocs.org/ntsb/DCA26WA297), Jul 11, 2026: Boeing 737 (SP-RNT), Barcelona, Spain, incident, no damage - [NTSB DCA27WA008](https://openairdocs.org/ntsb/DCA27WA008), Jun 27, 2026: Boeing 737 (5N-NGA), Brazzaville, Congo - Kinshasa, incident - [NTSB DCA26WA254](https://openairdocs.org/ntsb/DCA26WA254), Jun 26, 2026: Boeing 787 (A4O-SF), Ar Rumays, Oman, incident - [NTSB DCA26LA242](https://openairdocs.org/ntsb/DCA26LA242), Jun 20, 2026: Airbus Industrie A319-114 (N328NB), Boston, MA, incident, no damage, investigation ongoing - [NTSB DCA26WA228](https://openairdocs.org/ntsb/DCA26WA228), May 8, 2026: Bombardier CL600 2E25 (EC-MJP), Manises, Spain, incident, no damage NTSB has coded findings and defining events since 2008; earlier cases used its older occurrence and cause codes and aren't counted. Findings: https://openairdocs.org/ntsb-findings.md. Defining events: https://openairdocs.org/ntsb-events.md. Phases of flight: https://openairdocs.org/ntsb-phases.md. Every investigation, filtered by finding, event, phase, state, year or model: https://openairdocs.org/ntsb.md (for example ?state=MI&fatal=1). NTSB's definitions: Accident and incident, 49 CFR 830.2 (https://www.ecfr.gov/current/title-49/subtitle-B/chapter-VIII/part-830/subpart-A/section-830.2), CICTT occurrence categories (PDF) (https://www.ntsb.gov/safety/data/Documents/datafiles/OccurrenceCategoryDefinitions.pdf), CICTT phases of flight (PDF) (https://www.ntsb.gov/safety/data/Documents/datafiles/PhaseofFlightDefinitions.pdf), and NTSB coding manual, before 2008 (PDF) (https://www.ntsb.gov/GILS/Documents/codman.pdf). NTSB publishes no definitions for its findings, only their names. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.