TBL 4-18 Special Handling Special Handling Item 18 STS/ Flight operating in accordance with an altitude reservation ALTRV Flight approved for exemption from ATFM measures by the appropriate ATS authority ATFMX Fire Fighting FFR Flight check for calibration of NAVAIDS FLTCK Flight carrying hazardous material(s) HAZMAT Flight with Head of State status HEAD Medical flight declared by medical authorities HOSP Flight operating on a humanitarian mission HUM Flight for which a military entity assumes responsibility for separation of military aircraft MARSA Life critical medical emergency evacuation MEDEVAC Non-RVSM capable flight intending to operate in RVSM airspace NONRVSM Flight engaged in a search and rescue mission SAR Flight engaged in military, customs, or police services STATE (b) Any other requests for special handling must be made in Item 18 RMK/. (c) Include plain-language remarks when required by ATC or deemed necessary. Do not use special characters, for example; / * - = +. EXAMPLE- RMK/NRP RMK/DVRSN 12. Remarks Include when necessary. 13. Operator (Item 18 OPR/) When the operator is not obvious from the aircraft identification, the operator may be indicated. EXAMPLE- OPR/NETJETS 14. Flight Plan Originator (Item 18 ORGN/) (a) VFR flight plans originating outside of FAA FSS or FAA contracted flight plan filing services must enter the 8-letter AFTN address of the service where the flight plan was originally filed. Alternately, enter the name of the service where the FPL was originally filed. This information is critical to locating the FPL originator in the event additional information is needed. (b) For IFR flight plans, the original filers AFTN address may be indicated, which is helpful in cases where a flight plan has been forwarded. EXAMPLE- ORGN/Acme Flight Plans ORGN/KDENXLDS FAA Form 7233-4 - International Flight Plan Appendix 4-15