# Obstruction markings/lighting

- Type: NTSB finding subsection
- Path: [Environmental issues](https://openairdocs.org/ntsb-findings/03) › [Operating environment](https://openairdocs.org/ntsb-findings/0301) › [Airport facilities/design](https://openairdocs.org/ntsb-findings/030170) › Obstruction markings/lighting
- NTSB code: 03017025
- Cases: 3
- In the probable cause: 1
- Fatal cases: 0
- All cases: https://openairdocs.org/ntsb-findings/03017025/cases.md
- Cases with it in the probable cause: https://openairdocs.org/ntsb-findings/03017025/cases.md?cause=1
- Page: https://openairdocs.org/ntsb-findings/03017025

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

- 2009: 1 / 1
- 2010: 0 / 1
- 2011: 0 / 1

## Defining events in these cases

- [Collision during takeoff/land](https://openairdocs.org/ntsb-events/490): 1 cases
- [Ground collision](https://openairdocs.org/ntsb-events/200): 1 cases
- [Controlled flight into terr/obj (CFIT)](https://openairdocs.org/ntsb-events/120): 1 cases

## Aircraft models (registry)

- [Eurocopter EC 130 B4](https://openairdocs.org/model/eurocopter-ec-130-b4): 1 cases
- [Fehlner-Shelton AEROSPORT SCAMP WTB1](https://openairdocs.org/model/fehlner-shelton-aerosport-scamp-wtb1): 1 cases
- [Morgan James E MORGAN RV6](https://openairdocs.org/model/morgan-james-e-morgan-rv6): 1 cases

## Other findings in the same cases

- [Runway markings/signage](https://openairdocs.org/ntsb-findings/03017030) (Environmental issues): 2 cases
- [Monitoring environment](https://openairdocs.org/ntsb-findings/02021545) (Personnel issues): 2 cases
- [Ground equipment](https://openairdocs.org/ntsb-findings/03022050) (Environmental issues): 1 cases
- [Pole](https://openairdocs.org/ntsb-findings/03022010) (Environmental issues): 1 cases
- [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 1 cases
- [Altitude](https://openairdocs.org/ntsb-findings/01062012) (Aircraft): 1 cases
- [Taxiing](https://openairdocs.org/ntsb-findings/01010920) (Aircraft): 1 cases

## Newest cases

- [NTSB ERA12CA043](https://openairdocs.org/ntsb/ERA12CA043), Oct 17, 2011: Fehlner-Shelton Aerosport Scamp WTB1 (N25WS), Grantham, NC, substantial damage. Probable cause: The pilot's inadequate clearance from unmarked power lines while on approach to land at a private airport.
- [NTSB WPR10LA481](https://openairdocs.org/ntsb/WPR10LA481), Oct 1, 2010: Eurocopter EC130 (N822MH), Meadview, AZ, substantial damage. Probable cause: The pilot's distraction with another departing helicopter while maneuvering in a hover for departure, which resulted in his failure to maintain clearance between the tail rotor and an umbrella.
- [NTSB WPR09CA416](https://openairdocs.org/ntsb/WPR09CA416), Aug 21, 2009: Morgan James E Morgan RV6 (N116JM), Everett, WA, substantial damage. Probable cause: The pilot’s failure to maintain clearance from objects during taxi. Contributing to the accident was the inadequate marking of the taxiway and obstacles.

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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