# Aerodynamic fairings structure

- Type: NTSB finding subsection
- Path: [Aircraft](https://openairdocs.org/ntsb-findings/01) › [Aircraft structures](https://openairdocs.org/ntsb-findings/0103) › [Fuselage](https://openairdocs.org/ntsb-findings/010353) › Aerodynamic fairings structure
- NTSB code: 01035350
- Cases: 5
- In the probable cause: 5
- Fatal cases: 1
- All cases: https://openairdocs.org/ntsb-findings/01035350/cases.md
- Cases with it in the probable cause: https://openairdocs.org/ntsb-findings/01035350/cases.md?cause=1
- Page: https://openairdocs.org/ntsb-findings/01035350

## Cases per year (in the probable cause / all)

- 2009: 1 / 1
- 2011: 1 / 1
- 2021: 1 / 1
- 2025: 1 / 1
- 2026: 1 / 1

## Defining events in these cases

- [Part(s) separation from AC](https://openairdocs.org/ntsb-events/338): 3 cases
- [Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330): 1 cases
- [Loss of control in flight](https://openairdocs.org/ntsb-events/240): 1 cases

## Aircraft models (registry)

- [Eurocopter AS 350 B3](https://openairdocs.org/model/eurocopter-as-350-b3): 1 cases
- [Luscombe 8E](https://openairdocs.org/model/luscombe-8e): 1 cases
- [Cessna 172P](https://openairdocs.org/model/cessna-172p): 1 cases
- [Cessna 140](https://openairdocs.org/model/cessna-140): 1 cases
- [Beech A36](https://openairdocs.org/model/beech-a36): 1 cases

## Other findings in the same cases

- [Preflight inspection](https://openairdocs.org/ntsb-findings/02061510) (Personnel issues): 3 cases
- [Rough terrain](https://openairdocs.org/ntsb-findings/03021015) (Environmental issues): 1 cases
- [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 1 cases
- [Installation](https://openairdocs.org/ntsb-findings/02062035) (Personnel issues): 1 cases
- [Scheduled/routine maintenance](https://openairdocs.org/ntsb-findings/02062010) (Personnel issues): 1 cases
- [Lack of action](https://openairdocs.org/ntsb-findings/02041030) (Personnel issues): 1 cases
- [Angle of attack](https://openairdocs.org/ntsb-findings/01062042) (Aircraft): 1 cases

## Newest cases

- [NTSB ERA26LA289](https://openairdocs.org/ntsb/ERA26LA289), Jul 30, 2026: Beech A36 (N9144Q), Weston, CT, substantial damage. Probable cause: The in-flight opening of the engine cowling, which resulted in engine baffling separating from the airplane and impacting the right elevator.
- [NTSB ERA25LA114](https://openairdocs.org/ntsb/ERA25LA114), Feb 3, 2025: Cessna 172P (N62112), Clarksville, TN, substantial damage. Probable cause: The flight instructor’s inadequate preflight inspection of the airplane, which allowed the partially secured engine cowl to separate in flight.
- [NTSB ERA21FA142](https://openairdocs.org/ntsb/ERA21FA142), Feb 28, 2021: Luscombe 8E (N2960K), Jupiter, FL, substantial damage, 1 fatal. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack, which led to an aerodynamic stall and loss of control. Contributing to the accident was the pilot’s inadequate preflight inspection…
- [NTSB WPR11LA352](https://openairdocs.org/ntsb/WPR11LA352), Jul 27, 2011: Eurocopter AS 350 B3 (N808LF), Troutdale, OR, substantial damage. Probable cause: The in-flight separation of the tail rotor drive shaft cover as a result of maintenance personnel not ensuring that it was secured after a maintenance inspection; also causal was the pilot’s…
- [NTSB CEN09LA335](https://openairdocs.org/ntsb/CEN09LA335), Jun 2, 2009: Cessna 140 (N76456), St. Louis, MO, substantial damage. Probable cause: The improper installation of the wing fairing during recent maintenance, which resulted in the partial separation of the fairing shortly after takeoff.

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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