Military
Air Traffic Control Fully Certified
Air Traffic Control Time Certified In Pos 1 (yrs) 5
Confusion; Situational Awareness; Training / Qualification
ATC Issue All Types; Deviation / Discrepancy - Procedural Clearance; Deviation / Discrepancy - Procedural Published Material / Policy; Inflight Event / Encounter CFTT / CFIT
Air Traffic Control Issued New Clearance; Flight Crew Returned To Clearance
Human Factors; Procedure
Aircraft X was IFR inbound from ZZZZZ intersection area from ZZZ1 Center sector X; which is not in accordance with our LOA. Per ZZZ and ZZZ1 LOA; Category B aircraft should enter ZZZ terminal area through the respective arrival gates. Over ZZZZZ; I thought that Aircraft X was VFR inbound to ZZZ most likely due to the V in their type and was unaware they were IFR.  Aircraft X was vectored to follow a DA40 for a left base to runway XX. While on this vector; Aircraft X entered an 8;400 MVA at 8;000. I realized that Aircraft X was IFR when the aircraft was about to enter an 8;900 MVA and was climbed to 9;000 and turned away from the 8;900 MVA. [Recommend] That every entity involved knows the LOA and adheres to such as well as better awareness on my part to flight plan type.
TRACON Controller reported an LOA violation which caused confusion and a MVA violation.