A. The Plaintiff is a legal entity that is established on February 14, 201 and ordinarily employs about 40 workers and conducts aerial drawing and drawing business. 2) The Intervenor Intervenor C (hereinafter “ Intervenor”) entered the Intervenor Intervenor C as an aircraft pilot on November 23, 2015, and the Intervenor B entered the Plaintiff as an aircraft pilot on January 20, 2016, and carried out the aerial photography in the air navigation department.

(b) The work and the place of employment of any worker under Article 2, such as the details of dismissal, shall be as follows, and the employer may, if necessary for his work, change them:

(2) Notwithstanding the contract period referred to in the preceding paragraph, the starting period shall be three months from the date of the first commencement of the service, and if the ability to perform the service during the probation period, character, etc. is inappropriate for the regular employment, the employment place in the aviation operation division may be refused.

Benefits may be separately determined during the probationary period.

(A) The Intervenor entered into an employment contract on the following terms: (a) the Intervenor entered into the employment contract from November 23, 2015 to November 22, 2016; and (b) the Intervenor B, from January 20, 2016 to January 19, 2017, respectively; (c) on July 21, 2016, the Plaintiff was notified by the Seoul Regional Aviation Authority that the Plaintiff would not grant approval for repair and alteration as the Plaintiff’s engine exchange No. 5 of Ss or aircraft D (hereinafter “instant aircraft”).

3 The intervenors discussed the safety issues of the Aircraft E and the Aircraft from July 22, 2016, and around 12:00 on July 27, 2016, the intervenors discussed F, the president of the Plaintiff, at the office of Kimpo Airport Cargo Office around 12:00 on August 4, 2016.