Back to Top
General Questions and Issues | Ships Data Questions | Aviation and Weapons Data Questions | Military and Civilian Personnel Data Questions | Infrastructure Data Questions | USMC Ground Equipment Data Questions


FAQ and Online Support

Welcome to the VAMOSC Online support and Frequently Asked Questions page. Please contact us if you cannot find a solution here and have further questions.

General Questions and Issues

User Access and Data Request


  • Have a data request?

  • I am a US government employee. How do I request access to VAMOSC?

  • I am a government contractor. How do I request access to VAMOSC?

  • What is the difference between Applying for an Online Account and Requesting Data?

  • How long does it take to receive access or to have a data request filled?

  • In what format will my data be received?

  • What is the difference between government level access/data and contractor level access/data?

  • How do I export data into Microsoft Excel™?

  • How do I resize columns automatically?

  • Which web browsers are compatible with VAMOSC?

  • Issues Accessing Web Intelligence Application


  • PKI Certificate Issues


  • I am a VAMOSC user. How do I register my new or updated CAC/PKI certificate for VAMOSC access?

  • What is a CAC/PKI Certificate? How do I get one?

  • Cannot access VAMOSC due to a certificate revoked error.

  • Receive the "Client certificate not found" error.

Ships Data Questions

  • Why don’t I see all the Navy ships in the VAMOSC database prior to FY98?

  • How is data in the Ship Universe Class Average folders calculated?

Aviation and Weapons Data Questions

  • Are Unmanned Aerial Vehicles (UAV) captured in VAMOSC?

  • Why does the ATMSR element 5.1.3 - Modification Installs Costs not roll up into 5.1 - Subtotal Modifications Costs?

  • Does the ATMSR element 1.2.3 - Support Supplies Costs include Contractor Logistics Support (CLS)?

  • What non-cost data are included in the ATMSR Universe?

  • What is the difference between the NAMSR and the NAMSR Plus?

  • What are the known differences between NAMSR and LMDSS/DECKPLATE?

  • Why do ATMSR and NAMSR report different AVDLR Costs?

  • Why do some Aircraft have Labor Hours and BCM data but no AVDLR or Consumable Cost Information?

  • What is the difference between Zeroes and Nulls in NAMSR?

  • Why are there WUCs with no BCMs but with a corresponding AVDLR Cost in NAMSR?

  • Why do some of the dimension elements (Bureau Number, Serial Number, COG, NIIN, CAGE, Part Number) have null values but report data (BCM, Failure Count, etc.)?

  • What is the difference between "Unknown" and a null value in the Bureau or Serial Number dimension element?

  • Why are flying hours not reported at the TEC/TMS or Major Claimant Level?

  • In the NAMSR universe, why do we not add zeros to Work Unit Codes (WUC’s) that are less than 7 digits?

  • Are Organizational and Intermediate level aircraft and engine parts data captured in the ATMSR universe?

Military and Civilian Personnel Data Questions

  • What is the association between Military Personnel Annual Universe and Military Personnel Monthly Universe?

  • How do I accurately calculate $/person analysis for Lump Sum Payments?

  • Does the Civilian Personnel Universe contain data for Foreign National Direct hires?

  • How does the Civilian Personnel Universe account for In-Year Transfers?

Infrastructure Data Questions

  • Why isn’t the sum of area measures in the basic folder equal to the sum of area measures for the same activity in the Utilization folder?

USMC Ground Equipment Data Questions