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Case Description
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On July 4, 1977, John Block, 57, and his wife, Jean Block, disappeared after taking off from Macomb Airport in Utica, Michigan. The couple was flying in their private Cessna 150J aircraft, intending to visit their son at Lost Creek Sky Ranch in Luzerne, Michigan, to celebrate Independence Day. Despite being an experienced pilot with over 30 years of flight time, John was navigating by sight, and no flight plan was filed before they left.
The Blocks never reached their destination. Short ...Read More
Last Seen: Jul 04, 1977
The Blocks never reached their destination. Short ...Read More
Last Seen: Jul 04, 1977
Links to Additional Sources (8)
See any mistakes?Victim Details
Aug 20, 2013
Mar 18, 2021
John
Block
104
57
66 inches
140 lbs
White / Caucasian
Male
Jul 04, 1977
Utica
Michigan
Macomb County
No
190
14085
Grand Traverse County Sheriff's
Traverse City
Michigan
,
714-77
Grand Traverse County Sheriff's
Gray or Partially Gray
Brown
Brown
11/21/2025
Area Last Seen:







