The following is the reported disposition of the RNLN P-3 Orions, as of 20 April (Credit to Marco P J Borst on the Touchdown news list).
"This morning P-3C CUP #302 returned at RNLNAS Valkenburg from the States. This means that there are three CUP aircraft at Valkenburg now (all three outside on the flightline today), another three CUPs in process at Greenville and one CUP is in maintenance with OGMA. Three more aircraft are due to leave for the States to go through the CUP this year.
300 P-3C-II.5 RNLNAS Valkenburg (planned dep. date for CUP 29apr05)
301 P-3C CUP RNLNAS Valkenburg
302 P-3C CUP RNLNAS Valkenburg
303 P-3C CUP LM - Greenville, SC since 10dec04 (for CUP program)
304 P-3C-II.5 OGMA - Alverca, Portugal since 18jun03 (damaged wing tank)
305 P-3C-II.5 RNLNAS Valkenburg (planned dep. date for CUP 23jul05)
306 P-3C-II.5 OGMA - Alverca, Portugal since 12feb03 (stored)
307 P-3C CUP LM - Greenville, SC since 17mar05 (for CUP program)
308 P-3C CUP OGMA - Alverca, Portugal since 22dec04 (for maintenance)
309 P-3C CUP LM - Greenville, SC since 10sep04 (for CUP program)
310 P-3C-II.5 OGMA - Alverca, Portugal since 21jan03 (stored)
311 P-3C-II.5 OGMA - Alverca, Portugal since 10de02 (in restore to flying condition process / planned dep. date for CUP 27sep05)
312 P-3C CUP RNLNAS Valkenburg
Most likely 307, 300, 305 and 311 will NOT return to RNLNAS Valkenburg after completion of their CUP mods."