| .. | .. |
|---|
| 2659 | 2659 | |
|---|
| 2660 | 2660 | Entry into Class D airspace without radio is only permissible when prior approval has been obtained (e.g., by telephone before departure, or a clearance received before the radio failed). Without prior approval, two-way radio communication is mandatory for Class D. |
|---|
| 2661 | 2661 | |
|---|
| 2662 | + |
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| 2663 | + |
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| 2662 | 2664 | - **Options A and D** (destination or departure aerodrome status) do not constitute authorization. |
|---|
| 2663 | 2665 | - **Option B** (presence of other traffic) has no bearing on the radio requirement. |
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| 2664 | 2666 | |
|---|
