| No. | Test problem | Principal solution |
Brief description Test method (Instrument/probe) |
| 5 | Detection of delaminations in honeycomb parts for aircraft vertical stabilizers (c= artificial delamination). |
| Pulse-echo, contact testing with highly damped 1 MHz longitudinal wave probe; evaluation of the back wall echo amplitude (USIP 11/K1S). |
| | UTonline | |