I dropped serial 67-16423 into the search engine...
http://users.rcn.com/jeremy.k/serialSearch.html
...for Joe Baugher's lists. It came up with...
67-16000 ... 67-16686 (EXACT MATCH)
Hughes OH-6A Cayuse
...but does not list the individual airframe 16423.
I would recommend contacting the Air Force Historical Studies Office. You can find the contact information via this link...
https://www.airforcehistory.hq.af.mil/f ... dcards.htm
I don't know if they would have the record card for an army airframe, but since they used the same numbering system, they might. From that card you may be able to determine the disposition. For contact info for other services visit...
http://www.aerialvisuals.ca/Links.php#ResearchAids
If anyone knows of an Army historical office where a request for a record card can be made please let me know.
Hopefully Andy Marden reads this thread. If your bird is displayed some place his book may list the serial number. I have a copy, but it doesn't allow you to search by serial number. You can find a link to where you can order a copy at...
http://www.aerialvisuals.ca/LocatorCredits.php
...just scroll down to "Books".
I hope this helps.
Mike
_________________
Mike R. Henniger
Aviation Enthusiast & Photographer
http://www.AerialVisuals.cahttp://www.facebook.com/AerialVisualsDo you want to find locations of displayed, stored or active aircraft? Then start with the
The Locator.
Do you want to find or contribute to the documented history of an aircraft? If so then start with the
Airframes Database.