diff --git a/years/2021/logbook.html b/years/2021/logbook.html
new file mode 100644
index 000000000..4d6f7454a
--- /dev/null
+++ b/years/2021/logbook.html
@@ -0,0 +1 @@
+<html><head><title>logbook</title></head><body><h1>logbook</h1><a href='index.html'>index</a><br><a href='mission.html'>mission</a><br><a href='logbook.html'>logbook</a><br></body></html>
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