# Aircraft servicing event - Type: NTSB defining event - NTSB code: 020 - CICTT category: Ground Handling - Defining event in: 11 cases - In the sequence of: 70 cases - Fatal cases: 1 - All cases: https://openairdocs.org/ntsb-events/020/cases.md - Cases with it anywhere in the sequence: https://openairdocs.org/ntsb-events/020/sequence.md - Page: https://openairdocs.org/ntsb-events/020 ## Cases per year (defining / in the sequence) - 2008: 0 / 5 - 2009: 0 / 9 - 2010: 0 / 3 - 2011: 0 / 4 - 2012: 3 / 5 - 2013: 1 / 5 - 2014: 1 / 6 - 2015: 0 / 2 - 2016: 3 / 4 - 2017: 0 / 6 - 2018: 0 / 5 - 2019: 2 / 7 - 2021: 0 / 1 - 2022: 1 / 2 - 2023: 0 / 1 - 2024: 0 / 2 - 2025: 0 / 3 ## Phase of flight - Prior to flight: 9 cases - Standing-engine(s) not oper: 1 cases - Standing: 1 cases ## In the probable cause of these cases - [Use of equip/system](https://openairdocs.org/ntsb-findings/02063015) (Personnel issues): 3 cases - [Forgotten action/omission](https://openairdocs.org/ntsb-findings/02041035) (Personnel issues): 3 cases - [Preflight inspection](https://openairdocs.org/ntsb-findings/02061510) (Personnel issues): 2 cases - [Lack of action](https://openairdocs.org/ntsb-findings/02041030) (Personnel issues): 2 cases - [Incorrect action performance](https://openairdocs.org/ntsb-findings/02041015) (Personnel issues): 2 cases - [Ground vehicle](https://openairdocs.org/ntsb-findings/03022025) (Environmental issues): 1 cases - [Fuel service/equipment](https://openairdocs.org/ntsb-findings/03017065) (Environmental issues): 1 cases - [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 1 cases - [Use of checklist](https://openairdocs.org/ntsb-findings/02063030) (Personnel issues): 1 cases - [Use of equip/info, general](https://openairdocs.org/ntsb-findings/02063000) (Personnel issues): 1 cases ## Aircraft models (registry) - [Eurocopter AS 350 B3](https://openairdocs.org/model/eurocopter-as-350-b3): 1 cases - [Cessna 421C](https://openairdocs.org/model/cessna-421c): 1 cases - [Cessna L-19E](https://openairdocs.org/model/cessna-l-19e): 1 cases - [Bombardier CL-600-2B19](https://openairdocs.org/model/bombardier-cl-600-2b19): 1 cases - [Boeing 737-832](https://openairdocs.org/model/boeing-737-832): 1 cases - [Boeing 717-200](https://openairdocs.org/model/boeing-717-200): 1 cases - [Bell 206B](https://openairdocs.org/model/bell-206b): 1 cases - [Beech A36TC](https://openairdocs.org/model/beech-a36tc): 1 cases ## Newest cases - [NTSB WPR22LA154](https://openairdocs.org/ntsb/WPR22LA154), Apr 17, 2022: Eurocopter AS 350 B3 (N808LF), Deer Valley, AZ, substantial damage. Probable cause: The fuelers improper action during the refueling process. - [NTSB DCA20WA025](https://openairdocs.org/ntsb/DCA20WA025), Nov 22, 2019: Boeing 787 (EC-MNS), Pettirossi, Paraguay, incident, minor damage - [NTSB GAA19CA549](https://openairdocs.org/ntsb/GAA19CA549), Sep 15, 2019: Cessna L19 (N4584N), Kennett, MO, substantial damage. Probable cause: The pilot's failure to install the engine oil filler cap before the first flight of the day; his subsequent failure to conduct a preflight check before the accident flight, which resulted in his… - [NTSB DCA17WA065](https://openairdocs.org/ntsb/DCA17WA065), Dec 12, 2016: Boeing 737 (UNK), Adelaide, Australia, incident, no damage - [NTSB DCA16CA211](https://openairdocs.org/ntsb/DCA16CA211), Aug 10, 2016: Boeing 737 832 (N3762Y), New York, NY, substantial damage. Probable cause: inadvertent collision by ground service vehicle. - [NTSB GAA16CA405](https://openairdocs.org/ntsb/GAA16CA405), Jul 29, 2016: Bell 206 (N1087N), Outlook, WA, destroyed. Probable cause: The pilot and ground crew's failure to visually inspect the helicopter's skids before takeoff, which resulted in a water hose becoming entangled on the right skid, a loss of control, an impact with… - [NTSB CEN14FA462](https://openairdocs.org/ntsb/CEN14FA462), Aug 28, 2014: Cessna 421C (N51RX), Las Cruces, NM, destroyed, 4 fatal. Probable cause: The misfueling of the airplane with jet fuel instead of the required aviation fuel, and the resultant detonation and a total loss of engine power during initial climb. Contributing to the accident… - [NTSB CEN13LA155](https://openairdocs.org/ntsb/CEN13LA155), Feb 6, 2013: Robinson Helicopter R44 II (N276RC), Tulsa, OK, substantial damage. Probable cause: The line technician’s failure to remove the refueling mat from the helicopter fuselage following servicing, which resulted in the mat striking the tail rotor in flight, and the pilot’s inadequate… - [NTSB CEN13LA004](https://openairdocs.org/ntsb/CEN13LA004), Oct 5, 2012: Boeing 717-200 (N894AT), Milwaukee, WI, substantial damage. Probable cause: An obstruction (a sleeve of cups) that lodged under the catering truck brake pedal, which prevented the driver from stopping the truck before it struck the parked airplane. - [NTSB WPR12LA178](https://openairdocs.org/ntsb/WPR12LA178), Apr 22, 2012: Beechcraft A36TC (N3862C), Pendleton, OR, substantial damage. Probable cause: The pilot's failure to maintain an adequate glidepath for landing, which resulted in a collision with terrain short of the runway. Contributing to the accident was the pilot's failure to secure the… 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.