Report request: I am a writer who covers trends affecting the travel industry. I follow closely events that affect a nation's transportation infrastructure, and I am currently researching strikes at airports in Germany for an article in a weekly travel industry bulletin.
I would like to compile a summary of worker strikes at German airports. I would like to know the affected airports, start dates and duration, reasons behind the strikes, negotiations between labor and management, resolutions, and the impact on German and international transportation.

Assessment questions and gold answers:
question_text: What were the effects of strikes on foreign travel for Germans?
gold_answers: Flights to Kiev from Dusseldorf were cancelled
question_text: What were the effects of strikes on foreign travel for Germans?
gold_answers: Flights to Kiev from Frankfurt were cancelled
question_text: What were the effects of strikes on foreign travel for Germans?
gold_answers: Flights to Kiev from Munich were cancelled
question_text: Which groups were on strike at German airports and airlines?
gold_answers: Security personnel
question_text: Which groups were on strike at German airports and airlines?
gold_answers: Flight attendants
question_text: What was a major demand of the security personnel?
gold_answers: A raise to 20 Euros/hour
question_text: What were other demands brought forth by the employees?
gold_answers: A unified pay scale
question_text: What were other demands brought forth by the employees?
gold_answers: Better working conditions
question_text: What counteroffers did management make?
gold_answers: 2% raise with a two-year contract in one case
question_text: Outside of negotiations, what other strikes were called or threatened?
gold_answers: There could be warning strikes before the start of negotiations
question_text: How often was Lufthansa management ready to negotiate with its unions?
gold_answers: In at least one case
question_text: What do Germanwings, Eurowings, SunExpress, and CityLine airlines all have in common?
gold_answers: Partially or wholly owned by Lufthansa
question_text: Did Lufthansa management have the support of the courts in its attempt to prevent strikes?
gold_answers: Court denied Lufthansa’s request for an injunction