1536- B-52 SPIRIT (?) 44 (with 43) checking on with ZAU. The SPIRIT callsign for a B-52 seems a little suspicious ?
1550- to ZOB 379.950. Callsign might not be SPIRIT kinda sounded like SKIER that time ?
1550- to ZOB 379.950. Callsign might not be SPIRIT kinda sounded like SKIER that time ?
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