| QFT ✕ | |
|---|---|
| Question | Between what heights above ... (datum) has ice formation been observed [at ... (position or zone)]? |
| Answer | Ice formation has been observed at ... (position or zone) in the type of ... and with an accretion rate of ... between ... (figures and units) and ... (figures and units) heights above ... (datum). |
| Application | Aeronautical Code signals |