# Preflight or dispatch event

- Type: NTSB defining event
- NTSB code: 030
- CICTT category: Other
- Defining event in: 4 cases
- In the sequence of: 355 cases
- Fatal cases: 0
- All cases: https://openairdocs.org/ntsb-events/030/cases.md
- Cases with it anywhere in the sequence: https://openairdocs.org/ntsb-events/030/sequence.md
- Page: https://openairdocs.org/ntsb-events/030

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

- 2008: 0 / 23
- 2009: 0 / 32
- 2010: 0 / 29
- 2011: 0 / 28
- 2012: 0 / 19
- 2013: 0 / 28
- 2014: 0 / 25
- 2015: 0 / 31
- 2016: 0 / 29
- 2017: 0 / 25
- 2018: 1 / 16
- 2019: 0 / 7
- 2020: 1 / 12
- 2021: 1 / 11
- 2022: 0 / 7
- 2023: 0 / 14
- 2024: 0 / 3
- 2025: 1 / 10
- 2026: 0 / 6

## Phase of flight

- Prior to flight: 3 cases
- Standing: 1 cases

## In the probable cause of these cases

- [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 2 cases
- [Preflight inspection](https://openairdocs.org/ntsb-findings/02061510) (Personnel issues): 2 cases
- [Planning/preparation, general](https://openairdocs.org/ntsb-findings/02061000) (Personnel issues): 1 cases
- [Incomplete action](https://openairdocs.org/ntsb-findings/02041040) (Personnel issues): 1 cases
- [Forgotten action/omission](https://openairdocs.org/ntsb-findings/02041035) (Personnel issues): 1 cases
- [Fasteners](https://openairdocs.org/ntsb-findings/01071430) (Aircraft): 1 cases
- [Hydraulic, main system](https://openairdocs.org/ntsb-findings/01022910) (Aircraft): 1 cases

## Aircraft models (registry)

- [Cessna 172S](https://openairdocs.org/model/cessna-172s): 1 cases
- [Cessna 172N](https://openairdocs.org/model/cessna-172n): 1 cases
- [Boeing 767-332](https://openairdocs.org/model/boeing-767-332): 1 cases

## Newest cases

- [NTSB CEN25LA332](https://openairdocs.org/ntsb/CEN25LA332), Aug 21, 2025: Cessna 172 (N1401E), Air Force Academy, CO, substantial damage. Probable cause: The student pilot’s failure to perform an adequate preflight inspection.
- [NTSB DCA21LA229](https://openairdocs.org/ntsb/DCA21LA229), Sep 1, 2021: Boeing 767-332 (N196DN), Seattle, WA, no damage. Probable cause: The flightcrew’s failure to set the hydraulic panel correctly during the execution of the pushback checklist, and when the hydraulic panel setting was corrected, that resulted in the airplane coming…
- [NTSB CEN20CA231](https://openairdocs.org/ntsb/CEN20CA231), Jun 16, 2020: Destiny XLT (UNREG), Frankfort, OH, minor damage. Probable cause: The pilot's inadequate preflight inspection of the powered parachute, which resulted in his takeoff with twisted riser lines and impaired aircraft control.
- [NTSB WPR18LA259](https://openairdocs.org/ntsb/WPR18LA259), Sep 12, 2018: Cessna 172 (N24ME), Roche Harbor, WA, substantial damage. Probable cause: The pilot’s failure to secure his seat position prior to takeoff, which resulted in a loss of airplane control and subsequent hard landing.

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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