From their website:

"To join us, you must be of smart appearance with weight in proportion to height and a great team player. Own transport and a full clean driving license are essential, while previous experience in customer service is preferred. Flying as Cabin Crew is shift work with long and often unsociable hours.
Cabin Crew need to live within 1 hour's travelling time of their base airport.
Previous applicants need not apply."

Link to the application form: http://www.easternairways.com/files//cabin_crew_1.pdf

For Cabin Crew applications please send your completed Application form, with covering letter, to Cabin Crew Recruitment, Eastern Airways, Schiphol House, Humberside Airport, DN39 6YH.