European Facility For Airborne Research Dec. 5, 2025, 08:44
| Name | Johnson-Williams probe |
| Acronym | Johnson-Williams |
| Manufacturer | FAAM |
| Operated by | FAAM |
| Operated onboard |
| Name | Cloud Liquid Water Content |
| Acronym | LWC |
| Measured parameter | Liquid water content |
| Operating principle | Hot wire instrument. Liquid contacts sample wire. Liquid evaporates, altering resistance of wire with comparison to control wire shielded against liquid |
| Measurement(s) | Clouds & Precipitation |
| External dimension | JW Head - 155mm - max distance from skin |
| Weight | 0.23 |
| Operating mode | In situ |
| Range | |
| Resolution | |
| Sensitivity | |
| Accuracy | |
| Bandwidth | |
| Modifications | |
| Operational restriction | |
| Operational requirements | Access to free air flow |
| Certification approvals | Approved by CAA for use on BAe 146-301. |
| Additional information |
| Access | Available from Met Office/FAAM |
| Could also fit on any aircraft having the following characteristics | |
| General description |
| Title | Author | Type | Related |
|---|---|---|---|
| No documents. |