Follow the steps to fill out the DS-4138 online effectively.

1. Press the ‘Get Form’ button to access the document and open it in your preferred digital form editor.
2. Begin with the 'Date of Request' section, filling in the date using the format month/day/year.
3. Next, provide your 'Passport Nationality' and 'Passport Number' as requested.
4. Fill in the 'Full Name of Traveler', ensuring you use the name as it appears on the passport.
5. Include the 'Official Title' of the traveler and their 'Country of Birth'.
6. Enter the 'Date of Birth' of the traveler also in the month/day/year format.
7. Provide the 'City of Birth', followed by the contact information for the 'Point of Contact', including name, organization, and telephone numbers.
8. Detail the complete 'Flight Itinerary', selecting the airport from a dropdown list if traveling from or to Washington, D.C. or New York; otherwise, manually enter the airport name.
9. For each flight segment, input the 'Airline and Flight Number', departure, and arrival airports along with the departure and arrival times formatted as hour:minute.
10. Finally, review all entered information for accuracy, then save your changes. You can download, print, or share the completed form as needed.

Start your application and submit the DoS DS-4138 online for a hassle-free travel experience.