Helicopter Database (HELODAB) System

Updated: March 7, 2022

The definitive source for Vietnam era rotorcraft damage and related information.

By subscribing to HELODAB, you can receive access to the rotorcraft damage information contained within this site.


Note that you must be a registered DTIC user to obtain access to this database and related files.   Eligibility will be determined by your level of access in the DTIC R&E Gateway.  Contractors should reference the notice below.

Follow these steps to request access to this database:


    1. If you haven’t already, please register for a DSIAC account. (Note that registration will not be complete until you verify the email address you registered with.)


    1. Select the Request Database Access button at the bottom of the page.  This will initiate the inquiry and an analyst will be assigned to assist with your request.


    1. Upon confirmation from DTIC that you meet the access requirements, your account will be updated to provide access to the database, and you will be notified.


  1.  To access the database, select the Go to Database button at the bottom of this webpage and enter your DSIAC.org login credentials.

Please contact DSIAC if you have any questions: contact@dsiac.org or 443-360-4600.

DISTRIBUTION STATEMENT C. Distribution authorized to U.S. Government Agencies and their contractors.  Critical Technology. January 1, 1970.  Other request for this information shall be referred to the controlling authority.

Warning – This media contains technical data whose export is restricted by the Arms Export Control Act (Title 22, U.S.C., Sec 2751, et seq.) or the Export Administration Act of 1979 (Title 50, U.S.C., App. 2401 et seq), as amended.  Violations of these export laws are subject to severe criminal penalties.  Disseminate in accordance with provisions of DoD Directive 5230.25.

Notice:  This database is export controlled and access to this database is determined by your level of access in the DTIC R&E Gateway.  Therefore, contractors requesting this database will need to have their export control status verified by DTIC in order for access to be granted. 


To add export-controlled access to your DTIC account, you should contact your company’s facility security officer to determine if your company is certified to receive export-controlled information.  Once you have this information, request that your Data Custodian, whose name is on the DD Form 2345, send an email stating that you are allowed access to export controlled information under the Company’s Certification Number (input certification number here) with the certification expiration date to the DTIC Customer Access Team at dtic.belvoir.us.mbx.dtic-access@mail.mil.  If you need any assistance upgrading your account, please contact the DTIC Customer Access Team at dtic.belvoir.us.mbx.dtic-access@mail.mil or 703-767-8273 or 1-800-225-3842 option 2.