The planned out of service dates for all military helicopters such as they were from 1997 to 2007 are listed as follows:
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Army Agusta A109 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 Apache AH1 n/a n/a n/a n/a n/a n/a n/a 2030 2030 2030 2030 Gazelle AH1 2018 2018 2018 2018 2018 2018 2018 2018 2018 2018 2018 Lynx AH7 2012 2012 2012 2012 2012 2012 2012 2012 2012 2012 2013 Lynx AH9 2012 2012 2012 2012 2012 2012 2012 2012 2012 2012 2013 Royal Navy Lynx HAS31 — — — — — — — — 2012 2012 2013 Lynx HMA81 — — — — — — — — 2014 2014 2015 Merlin HM1 n/a n/a 2029 2029 2029 2029 2029 2029 2029 2029 2029 Sea King HC4 2012 2012 2012 2012 2012 2012 2012 2012 2012 2012 2012 Sea King HAS5 2017 2017 2017 2017 2017 2017 2017 2017 2017 2017 2017 Sea King HAS6(CR) n/a n/a n/a n/a n/a n/a n/a 2008 2008 2008 2008 Sea King ASaCT n/a n/a n/a n/a n/a 2018 2018 2018 2018 2018 2018 Royal Air Force Chinook HC2 2015 2015 2015 2015 2015 2015 2015 2015 2015 2015 2015 Chinook HC2a 2025 2025 2025 2025 2025 2025 2025 2025 2025 2025 2025 Merlin HC3 n/a n/a n/a 2030 2030 2030 2030 2030 2030 2030 2030 Puma HCl 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2012 Sea King HAR3 2017 2017 2017 2017 2017 2017 2017 2017 2017 2017 2017 Sea King HAR3a 2017 2017 2017 2017 2017 2017 2017 2017 2017 2017 2017 1 Comprehensive data unobtainable in the time available
The table does not include the commercially owned helicopters that the Department leases.