The general rule is: if the aircraft carries a civil registration it needs the civil genre, but there are a few excemptions (for example Thai Air Force).
Australia - Royal Australian Navy Historic Flight -> civil
belong to a civil preservation society, use civil regs
Brazil - Federal Police -> civil
It is subordinate to the federal Ministry of Justice
Brazil - Força Nacional -> mil
Colonel of the Military Police of Rio Grande do Sul has operational and direct control of the force.
Brazil - Military Firefighters -> mil.
part of the military (although the have a civil registration)
Brazil - Military Police -> mil.
part of the military (although the have a civil registration)/ please use this for individual state forces as well
Brazil - Polícia Civil -> Civil
The Civil Police are agencies of the public administration of the federative units of Brazil, whose function is, in accordance with article 144 of the Federal Constitution of 1988, the exercise of the public security for the preservation of the public order, of the safety of the people and the patrimony.
Colombia - Police -> civil
The National Police of Colombia is not part of the Military of Colombia
France - Gendarmerie -> mil
The Gendarmerie is a branch of the French Armed Forces
Germany - Bundesgrenzschutz -> civil
reports to the ministry of the interior - not defence - changed its name to "Bundespolizei" at the end of 2005 (still valid for the vintage UH-1 at Gatow)
Germany - Bundespolizei -> civil
reports to the ministry of the interior - not defence
Germany - Police -> civil
The German states are responsible for managing the bulk of Germany's police forces. Each state has its own police force known as the Landespolizei (State Police).
Iran - Revolutionary Guard -> mil
part of the armed forces
Iran - Police Aviation -> civil
part of the Ministry of Interior
Italy - Arma dei Carabinieri -> mil
part of the armed forces
Italy - Coast Guard -> mil
part of the Italian Navy, although subordinate to Ministry of Infrastructure and Transport in peace time
Italy - Ente Nazionale Assistenza al Volo (ENAV) -> civil
civil company owned by the ministry of ecnonmy and finance which provides air traffic service
Italy - Forestale -> civil
An agency under the jurisdiction of the Ministry of Agriculture, Food and Forestry, the CFS acts as a park ranger force
Italy - Guardia di Finanza -> mil
although belonging to the ministry of Economy and Finance, they have a combat role in Italy and use mil. regs (in case of war they become military border guards)
Italy - Police -> civil
A change of law in 1981 made die Polizia de Strato a civil organisation. The joy is that they seem to use MM**** style regs.
Italy - Protezione Civile -> civil
civil defence organisation
Italy - Vigili del Fuoco -> civil
Italy's institutional agency for fire and rescue service (correct reg is I-VF** not VF-XX)
Japan - Coast Guard -> civil
reports to the Ministry of Land, Infrastructure, Transport and Tourism not the Ministry of defence and uses civil style regs.
Malaysia - Maritime -> civil
is in effect the coast guard of Malaysia. The Agency is not part of nor are there any plans for it be integrated into the Malaysian Armed Forces.
Mexico - Police -> civil
even policia Federal is part of the ministry of the interior
NASA -> civil
independent agency of the US Government responsible for the civilian space program
NATO - Airborne Early Warning Force -> mil
although they have a civil registration, the E-3A Awacs are managed by a military headquarter
Poland Border Guard -> civil
The servicehas been re-established in the Third Polish Republic as a civil, police-type service, with the act of 12 October 1990 and began operations on 16 May 1991.
Poland - Police -> civil
directly responsible to the national government.
Russia - 223rd Flight Unit State Airline -> civil
got full ICAO code, uses CHKALOVSK-AVIA callsign, http://www.223lo.ru/glavnaya/
Russia - 224th Flight Unit State Airline -> civil
Russia - Federal Security Service -> mil
Part of the armed forces (formerly known as KGB)
Russia - Federal Space Agency (Roscosmos) --> civil
civil state corporation of the Russian Federation responsible for space flights
Spain - Guardia Civil -> mil
part of the armed forces
Spain - National Police -> civil
The National Police Corps (Spanish: Cuerpo Nacional de Policía) is the national civilian police force of Spain.
Turkey - Coast Guard -> mil
The Coast Guard Command (Turkish: Sahil Güvenlik Komutanlığı) is the coast guard branch of the Turkish Armed Forces.
United Arab Emirates - Abu Dhabi Amiri Flight -> civil
airline for the government of Abu Dhabi, operating with civil registrations
United Arab Emirates - Dubai Air Wing -> civil
airline for the government of Dubai, operating with civil registrations
United Kingdom - Coast Guard -> civil
part of the transport ministry, civil registration