B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
4
4 -- minimum cleaning frequency for aircraft water tanks (2023)
Under US Aircraft Drinking Water Rule (ADWR) regulations, airlines must disinfect and clean aircraft water tanks at least 4 times per year.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
4
Unit
Count
Data Vintage
2023
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
90
Independence
30
Methodology
45
Freshness
84
Source
US Government
Primary
Tier A
https://www.asiae.co.kr/article/2025071216130328353 ↗
Source Article
"비행기에서 커피 절대 마시지 말라" 승무원들 또 나온 '폭로'
"비행기에서 커피 절대 마시지 말라" 승무원들 또 나온 '폭로'
"물탱크 청소 제대로 이뤄지지 않아" 주장
항공사 승무원들이 또다시 자신들은 기내 커피나 차를 마시지 않는다고 경고했다.
최근 미국 라이프스타일 잡지 서던 리빙은 미국 국내외 다양한 항공사의 전·현직 승무원들과 인터뷰한 내용을 공개했다. 이들은 특히 "기내 커피와 차는 절대 마시지 말라"라고 입을 모았다. 승무원들은 비행기에서 제공하는 커피나 차에 사용되는 물은 기내 탱크에서 나오는데 이 탱크가 승객들이 기대하는 것만큼 깨끗하지 않을 수 있다고 주장했다.
익명을 요구한…
Original Research
US Government
· Original study ↗
Methodology
US regulations on aircraft water tank cleaning
Methodology documented
Segmentation
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Cite this stat
Plain Text
aircraft water tanks: 4 minimum cleaning frequency. Source: US Government (2023). Via Lighthouse Intelligence -- https://lighthousedata.io/data/aircraft-water-tank-cleaning-frequency
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<blockquote cite="https://lighthousedata.io/data/aircraft-water-tank-cleaning-frequency" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>4</strong> -- minimum cleaning frequency for aircraft water tanks<br><small>Source: US Government (2023) · <a href="https://lighthousedata.io/data/aircraft-water-tank-cleaning-frequency" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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