# Taxi - Type: NTSB phase of flight (CICTT main phase) - CICTT code: 250 - Cases: 6396 - Fatal cases: 72 - In the older codes (1982 to 2007): 1726 - All cases: https://openairdocs.org/ntsb-phases/250/cases.md - Page: https://openairdocs.org/ntsb-phases/250 ## Cases per year (current codes / all) - 1962: 6 / 6 - 1963: 6 / 6 - 1964: 346 / 346 - 1965: 306 / 306 - 1966: 372 / 372 - 1967: 381 / 381 - 1968: 215 / 215 - 1969: 200 / 200 - 1970: 212 / 212 - 1971: 189 / 189 - 1972: 181 / 181 - 1973: 177 / 177 - 1974: 169 / 169 - 1975: 179 / 179 - 1976: 151 / 151 - 1977: 156 / 156 - 1978: 184 / 184 - 1979: 134 / 134 - 1980: 132 / 132 - 1981: 113 / 113 - 1982: 0 / 127 - 1983: 0 / 104 - 1984: 0 / 96 - 1985: 0 / 73 - 1986: 0 / 70 - 1987: 0 / 87 - 1988: 0 / 83 - 1989: 0 / 73 - 1990: 0 / 74 - 1991: 0 / 49 - 1992: 0 / 55 - 1993: 0 / 60 - 1994: 0 / 51 - 1995: 0 / 56 - 1996: 0 / 59 - 1997: 0 / 64 - 1998: 0 / 65 - 1999: 0 / 55 - 2000: 0 / 57 - 2001: 0 / 57 - 2002: 0 / 62 - 2003: 0 / 49 - 2004: 0 / 48 - 2005: 0 / 52 - 2006: 0 / 51 - 2007: 0 / 49 - 2008: 64 / 64 - 2009: 45 / 45 - 2010: 41 / 41 - 2011: 45 / 45 - 2012: 41 / 41 - 2013: 44 / 44 - 2014: 33 / 33 - 2015: 43 / 43 - 2016: 38 / 38 - 2017: 45 / 45 - 2018: 50 / 50 - 2019: 51 / 51 - 2020: 25 / 25 - 2021: 47 / 47 - 2022: 52 / 52 - 2023: 48 / 48 - 2024: 45 / 45 - 2025: 58 / 58 - 2026: 46 / 46 ## CICTT sub-phases (1962 to 1981, 2008 on) - Taxi-from runway (253): 2,022 cases - Taxi-to runway (251): 1,650 cases - Taxi (250): 940 cases - Taxi-into takeoff position (252): 58 cases ## Older codes counted here (1982 to 2007) - Taxi - from landing (513): 724 cases - Taxi - to takeoff (512): 611 cases - Taxi (510): 317 cases - Taxi - aerial (514): 74 cases ## Defining events in this phase (2008 on) - [Ground collision](https://openairdocs.org/ntsb-events/200): 321 cases - [Loss of control on ground](https://openairdocs.org/ntsb-events/230): 145 cases - [Landing gear collapse](https://openairdocs.org/ntsb-events/094): 55 cases - [Miscellaneous/other](https://openairdocs.org/ntsb-events/900): 47 cases - [Fire/smoke (non-impact)](https://openairdocs.org/ntsb-events/150): 39 cases - [Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330): 32 cases - [Prop/jet/rotor blast/suction](https://openairdocs.org/ntsb-events/082): 30 cases - [Runway incursion veh/AC/person](https://openairdocs.org/ntsb-events/320): 27 cases - [Nose over/nose down](https://openairdocs.org/ntsb-events/096): 24 cases - [Airport occurrence](https://openairdocs.org/ntsb-events/070): 21 cases ## In the probable cause (2008 on) - [Aircraft control](https://openairdocs.org/ntsb-findings/02063040): 164 cases - [Monitoring environment](https://openairdocs.org/ntsb-findings/02021545): 119 cases - [Directional control](https://openairdocs.org/ntsb-findings/01062020): 110 cases - [Decision making/judgment](https://openairdocs.org/ntsb-findings/02041520): 85 cases - [Monitoring other aircraft](https://openairdocs.org/ntsb-findings/02021540): 62 cases - [Incorrect action performance](https://openairdocs.org/ntsb-findings/02041015): 54 cases - [Aircraft](https://openairdocs.org/ntsb-findings/03022040): 31 cases - [Brake](https://openairdocs.org/ntsb-findings/01023242): 28 cases - [Use of equip/system](https://openairdocs.org/ntsb-findings/02063015): 26 cases - [Task monitoring/vigilance](https://openairdocs.org/ntsb-findings/02021520): 25 cases ## Aircraft models (registry, all years) - [Cessna 172N](https://openairdocs.org/model/cessna-172n): 97 cases - [Cessna 172M](https://openairdocs.org/model/cessna-172m): 96 cases - [Piper J3C-65](https://openairdocs.org/model/piper-j3c-65): 82 cases - [Cessna 172](https://openairdocs.org/model/cessna-172): 80 cases - [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150): 75 cases - [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140): 73 cases - [Cessna 180](https://openairdocs.org/model/cessna-180): 69 cases - [Cessna 172K](https://openairdocs.org/model/cessna-172k): 68 cases - [Cessna 152](https://openairdocs.org/model/cessna-152): 67 cases - [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108): 64 cases ## Newest cases - [NTSB WPR27LA002](https://openairdocs.org/ntsb/WPR27LA002), Oct 4, 2026: Cessna P210N (N94PS), Stevensville, MT, investigation ongoing - [NTSB ERA26LA354](https://openairdocs.org/ntsb/ERA26LA354), Sep 29, 2026: Costruzioni Aeronautiche Tecnam P92 Tail Dragger (N575TA), Toughkenamon, PA, substantial damage, investigation ongoing - [NTSB ERA26LA361](https://openairdocs.org/ntsb/ERA26LA361), Sep 26, 2026: Piper PA-28-161 (N636FT), Sarasota, FL, investigation ongoing - [NTSB ERA26LA360](https://openairdocs.org/ntsb/ERA26LA360), Sep 25, 2026: Cessna 421B (N421FA), Nashville, TN, substantial damage, investigation ongoing - [NTSB DCA26WA373](https://openairdocs.org/ntsb/DCA26WA373), Sep 21, 2026: Airbus A330 (EC-NCK), Tunis, Tunisia, incident - [NTSB DCA26WA345](https://openairdocs.org/ntsb/DCA26WA345), Sep 3, 2026: Boeing 787 (9V-OJJ), Singapore, Singapore, incident, minor damage - [NTSB ANC26LA095](https://openairdocs.org/ntsb/ANC26LA095), Sep 1, 2026: Champion 7DC (N4542E), Copper Center, AK, substantial damage, investigation ongoing - [NTSB ERA26LA324](https://openairdocs.org/ntsb/ERA26LA324), Aug 30, 2026: CSP Leasing Cavalon (N203AG), Ronkonkoma, NY, substantial damage, investigation ongoing - [NTSB GAA26WA307](https://openairdocs.org/ntsb/GAA26WA307), Aug 26, 2026: Beech C90 (PP-ADU), Belo Horizonte, Brazil, substantial damage - [NTSB WPR26LA310](https://openairdocs.org/ntsb/WPR26LA310), Aug 21, 2026: Cessna 172P (N5384K), Gulfport, MS, substantial damage, investigation ongoing From 1962 to 1981 and from 2008 on, NTSB codes phases with the CICTT phases; from 1982 to 2007 with its older phase codes, counted under the CICTT main phase each maps to. Each case counts once, on its first aircraft: by its defining event's phase from 2008, its first event's before 1982, and its first occurrence's from 1982 to 2007. Compare years within an era: a first occurrence (1982 to 2007) is often in flight, before the landing, so landings count lower then. 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.