# Midair collision

- Type: NTSB defining event
- NTSB code: 250
- CICTT category: Midair
- Defining event in: 196 cases
- In the sequence of: 196 cases
- Fatal cases: 110
- All cases: https://openairdocs.org/ntsb-events/250/cases.md
- Cases with it anywhere in the sequence: https://openairdocs.org/ntsb-events/250/sequence.md
- Page: https://openairdocs.org/ntsb-events/250

## Cases per year (defining / in the sequence)

- 2008: 13 / 13
- 2009: 12 / 12
- 2010: 11 / 11
- 2011: 11 / 11
- 2012: 12 / 12
- 2013: 7 / 7
- 2014: 8 / 8
- 2015: 13 / 13
- 2016: 13 / 13
- 2017: 8 / 8
- 2018: 13 / 13
- 2019: 10 / 10
- 2020: 11 / 11
- 2021: 6 / 6
- 2022: 8 / 8
- 2023: 10 / 10
- 2024: 13 / 13
- 2025: 11 / 11
- 2026: 6 / 6

## Phase of flight

- Maneuvering: 50 cases
- Enroute-cruise: 33 cases
- Enroute: 28 cases
- Approach-VFR pattern final: 21 cases
- Approach: 20 cases
- Maneuvering-low-alt flying: 16 cases
- Initial climb: 12 cases
- Unknown: 9 cases
- Landing: 8 cases
- Approach-VFR pattern base: 8 cases

## In the probable cause of these cases

- [Monitoring other aircraft](https://openairdocs.org/ntsb-findings/02021540) (Personnel issues): 109 cases
- [Incorrect action performance](https://openairdocs.org/ntsb-findings/02041015) (Personnel issues): 13 cases
- [Decision making/judgment](https://openairdocs.org/ntsb-findings/02041520) (Personnel issues): 11 cases
- [Lack of action](https://openairdocs.org/ntsb-findings/02041030) (Personnel issues): 10 cases
- [Aircraft](https://openairdocs.org/ntsb-findings/03022040) (Environmental issues): 8 cases
- [Adequacy of policy/proc](https://openairdocs.org/ntsb-findings/04021015) (Organizational issues): 7 cases
- [Lack of communication](https://openairdocs.org/ntsb-findings/02063510) (Personnel issues): 7 cases
- [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 7 cases
- [Use of policy/procedure](https://openairdocs.org/ntsb-findings/02063032) (Personnel issues): 7 cases
- [Identification/recognition](https://openairdocs.org/ntsb-findings/02041510) (Personnel issues): 7 cases

## Aircraft models (registry)

- [Cessna 172S](https://openairdocs.org/model/cessna-172s): 7 cases
- [Cessna 172N](https://openairdocs.org/model/cessna-172n): 6 cases
- [Air Tractor AT-502B](https://openairdocs.org/model/air-tractor-at-502b): 6 cases
- [Cirrus Design SR22](https://openairdocs.org/model/cirrus-design-sr22): 5 cases
- [Cessna 172M](https://openairdocs.org/model/cessna-172m): 5 cases
- [Air Tractor AT-802A](https://openairdocs.org/model/air-tractor-at-802a): 5 cases
- [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta): 4 cases
- [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200): 4 cases
- [Piper PA-28-180](https://openairdocs.org/model/piper-pa-28-180): 4 cases
- [Piper PA-28-161](https://openairdocs.org/model/piper-pa-28-161): 4 cases

## Newest cases

- [NTSB ERA26LA346](https://openairdocs.org/ntsb/ERA26LA346), Sep 18, 2026: Schleicher ASW-24 (N94CG), Edinburg, NY, substantial damage, 1 fatal, investigation ongoing
- [NTSB ERA26FA309](https://openairdocs.org/ntsb/ERA26FA309), Aug 19, 2026: Cessna 150 (N23330), Carlisle, PA, destroyed, 1 fatal, investigation ongoing
- [NTSB GAA26WA298](https://openairdocs.org/ntsb/GAA26WA298), May 10, 2026: Scheibe SF25 (D-KSPY), Speyer, Germany, substantial damage
- [NTSB ERA26LA167](https://openairdocs.org/ntsb/ERA26LA167), Apr 11, 2026: Cessna 172S (N529ND), Marathon, FL, substantial damage, investigation ongoing
- [NTSB CEN26LA118](https://openairdocs.org/ntsb/CEN26LA118), Feb 12, 2026: Air Tractor AT-502A (N254LA), Sulphur, LA, substantial damage, investigation ongoing
- [NTSB WPR26LA083](https://openairdocs.org/ntsb/WPR26LA083), Jan 19, 2026: Robinson R44 (N996NR), Parkman, WY, substantial damage. Probable cause: The pilots’ failure to maintain separation while conducting air work in a common operational area. Contributing to the accident was the pilots’ divided attention associated with the mission activity…
- [NTSB ERA26FA077](https://openairdocs.org/ntsb/ERA26FA077), Dec 28, 2025: Enstrom 280 (N280MG), Hammonton, NJ, destroyed, 2 fatal, investigation ongoing
- [NTSB GAA26WA034](https://openairdocs.org/ntsb/GAA26WA034), Nov 30, 2025: Vans RV7 (VH-EWS), New South Wales, Australia, substantial damage, 1 fatal
- [NTSB GAA26WA004](https://openairdocs.org/ntsb/GAA26WA004), Oct 4, 2025: Cessna 172 (CP-3062), Santa Ana del Yacuma, Bolivia, 2 fatal
- [NTSB WPR25FA268](https://openairdocs.org/ntsb/WPR25FA268), Aug 31, 2025: Cessna 172M (N61657), Fort Morgan, CO, destroyed, 1 fatal, investigation ongoing

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.

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