The author concludes that initial fuel load was 980 gallons, based on two calculations

A gross weight and takeoff distance analysis for Lae’s grass airfield in 1937, that results in a possible takeoff weight and fuel load.

The author concludes the ship sighted was USS Ontario because had it been SS Myrtlebank, the position and time error would have exceeded Noonan’s standard performance for navigation accuracy.

The author recounts a number of scenario theories, possible errors, and the effects of those errors.

The only actual position statement in this work is from Captain J.S. Dowell of the USS Lexington (p156) who concludes “…at 2030 the plane landed on the sea to the northwest of Howland Island, within 120 miles [units not specified] of the island.”

The author’s Appendices contain interesting and useful information regarding aircraft configuration, performance, and some details of the declassified messages and logs contained in national archives.