massport troop f msp does respond to bs ems calls in the terminals

massport fd rescue 1 and boston ems also responds to bls calls in the terminals

boston ems usually supplies a bls transport unit

massport fd usually responds in Rescue 1 which is a small
non-transporting rescue truck - similar to squad 51 on emergency

this is probably typical across the USA with pd and fd and amb
responding to ems calls in the airport terminals

massport fd and troop F MSP operate on their own talkgroups on the
state trs - boston ems operates on 462.975R - there are probably some
shared TGs on the TRS that police and fire can talk directly to each
other - but they are rarely used - and boston ems could probably use
453.90R to patch into the TRS (but that would be very rare afaik)