You are a private pilot flying a Katana DV 20 (callsign D-EBEA). 15 miles west of the airport and at 4000 feet, you notice that the engine is running roughly. You decide to return to Egelsbach for a landing on runway 09 and to make an urgency message to the Tower. Give an example of your message.
You are a VFR pilot during a cross country flight. The weather is becoming worse and you are not shure if you'll be able to maintain within VMC conditions. You are not quite sure about your position. You decide to ask Wien information for a radar pick up. Give an example of your request.
What kind of information should be contained, time and circumstances permitting, in an emergency message?