The major programs conducted during the reporting period were: installation and test of prototype low-loss (roto) launching valve; modification and test of the rotary-retraction engine; development testing of above-deck steam-elimination components; and minor component development tests. (Author).

This report presents the maintenance and modification work conducted while the new steam receivers were being installed. During this period, a modified rotary engine was installed and minor work on the catapult control system was accomplished. (Author).

The report presents results of Mark 4 Mod 2 bridle-arrester development support and evaluation tests which consisted of 105 aircraft bridle arrestments, 274 bridle no-load arrestments, and 2 deadload bridle arrestments. Evaluation of the bridle-arrester break-system components, modified bridle-arrester deck hardware, and bridle-arrester retract system components was accomplished. (Author).