For celestial navigation practice using 1988 data:
: Teaching celestial navigation using historical data sets. nautical almanac 1988 pdf
The nautical almanac for the year 1988 : Free Download, Borrow, and Streaming : Internet Archive. Internet Archive For celestial navigation practice using 1988 data: :
: Provides searchable metadata and digital access to various editions, including the 1988 edition Core Contents & Use Cases While modern navigators use electronic publications (AENPs) nautical almanac 1988 pdf
Each pair of pages covers three days of the year 1988.