Navcerebrations
Navcerebrations includes navigational and other related Ponderables from the book Portney's Ponderables (published by Litton Systems, Inc. Guidance and Control Systems Division) and other sources.
Navcerebrations includes navigational and other related Ponderables from the book Portney's Ponderables (published by Litton Systems, Inc. Guidance and Control Systems Division) and other sources.
Portney's Ponderables: Brain Teasers for Navigators Paperback – October 21, 2009
Columbus Found Longitude?
Which Way Did They Go?
B-24 Lady Be Good Mission
Polar Flap
Lucky Lindy
Graf Zeppelin
Lost and Found
Demise of the Errant Balloon
Mayday in December
Voyage To Arcturus
3D With Half A Pair
Watch What You Say
The Long and Short of Flights
Noah Kalendar
Where's Captain Eddie Rickenbacker?
Lewis And Clark
Secrets of the Swallows
Millennium Theme Park
Rescue the Navigator
A Pi in Your Eye