Editing RMS Queen Mary (section)

===2006 meeting of the two Queen Marys===
[[File:TheQueenMarysMeet.JPG|thumb|{{RMS|Queen Mary 2}} approaching the ''Queen Mary'' at her berth, 23 February 2006, under a salute of "HAIL TO THE QUEENS" in [[skywriting]].]]

On 23 February 2006, {{RMS|Queen Mary 2}} saluted her predecessor as she made a port of call in [[Port of Los Angeles|Los Angeles Harbor]], while on a cruise from South Africa to Mexico.

In March 2011, ''Queen Mary'' was saluted by {{MS|Queen Victoria}} and fireworks, and on 12 March 2013, {{MS|Queen Elizabeth}} made a similar fireworks accompanied salute.<ref>{{cite news |url=https://www.usatoday.com/travel/news/2006-02-23-queen-marys_x.htm |title=Queen Mary 2 to meet original Queen Mary in Long Beach harbor |newspaper=[[USA Today]] |date=1 March 2006 |agency=[[Associated Press]] |access-date=10 September 2012}}</ref>

The salute was carried out with ''Queen Mary'' replying with her one working air horn in response to ''Queen Mary 2'' sounding her combination of two brand new horns and an original 1934 ''Queen Mary'' horn, which is on loan from the City of Long Beach.<ref>{{cite web |url=http://www.plimsoll.org/resources/SCCOralHistory/19430.asp |title='Queen Mary's horn |website=PortCities Southampton |format=mp3 |publisher=plimsoll.org |access-date=10 September 2012 |archive-date=26 December 2009 |archive-url=https://web.archive.org/web/20091226020846/http://www.plimsoll.org/resources/SCCOralHistory/19430.asp |url-status=usurped }}</ref> ''Queen Mary'' originally had three whistles tuned to 55&nbsp;Hz, a frequency chosen because it was low enough that the extremely loud sound of it would not be painful to human ears.<ref>{{cite web |url=http://www.sterling.rmplc.co.uk/visions/funnels.html |title=The Funnels and Whistles |publisher=Sterling.rmplc.co.uk |access-date=10 September 2012}}</ref>

Modern [[International Maritime Organization|IMO]] regulations specify ships' horn frequencies to be in the range 70–200&nbsp;Hz for vessels that are over {{convert|200|m|ft}} in length.<ref>{{cite web |url=http://www.kockumsonics.com/products/marine/marine_tyfon_imo_regulations.htm |title=IMO regulations |publisher=kockumsonics.com |access-date=10 September 2012}}</ref> Traditionally, the lower the frequency, the larger the ship. ''Queen Mary 2'', being {{convert|1132|ft|m}} long, was given the lowest possible frequency (70&nbsp;Hz) for her regulation whistles, in addition to the refurbished 55&nbsp;Hz whistle on permanent loan. 55&nbsp;Hz is the "A" note an octave above the lowest note of a standard piano keyboard. The air-driven ''Tyfon'' whistle can be heard at least {{convert|10|mi}} away.<ref>{{cite web |url=http://www.sterling.rmplc.co.uk/visions/funnel2.jpg |title=The voice of the Queen Mary can be heard ten miles away |access-date=10 September 2012}}</ref>