Narrative:

I received a point out from sector 12 on aircraft X who was climbing off of mtj northbound. The controller was not sure what the aircraft was doing and since it was slow; we watched what the aircraft did. He flew 27 miles north of mtj then at 17;000 MSL he turned right to hbu. The aircraft was filed mtj.hbu.ldora… and was cleared as filed. When the aircraft was questioned about what he was doing he responded flying his company departure procedure which is to go 12 miles north of mtj then turn left to jnc. Well that is not even close to what the aircraft flew. Also this is not a published departure procedure that we have for mtj. We do have 3 departure procedures for the airport one being an obstacle clearance procedure.[this company's] aircraft are flying a procedure (or not flying it) that we have zero knowledge of. I am not sure that the pilots understand that they are going west 50 miles before going back east to join their route. This is not [an] acceptable routing out of mtj as it conflicts with arrivals into mjt as well as departures and arrivals off of gjt. During busy ski country days this will not work at all as it will block the airport and cause excessive delays. I am requesting that [company] aircraft fly [one] of the 3 published departure procedures out of mtj and not a company [procedure]. They may need additional training to fly in and out of the mountain airports (guc; mtj; dro). Denver center needs a copy of their company procedures so we know what they are doing. They need to contact denver center and meet with us about their procedures.I have turned this into our qc and airspace departments numerous times now and have gotten no [resolution]. It should not take an act of congress and months to get procedures fixed into and out of mountainous terrain airports.

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Original NASA ASRS Text

Title: ZDV ARTCC Controller reported an airline that on numerous occasions did not fly a published departure procedure off the airport. The Controller is concerned this is a company-specific procedure and that it might become a problem when busy during the ski season.

Narrative: I received a point out from sector 12 on Aircraft X who was climbing off of MTJ northbound. The controller was not sure what the aircraft was doing and since it was slow; we watched what the aircraft did. He flew 27 miles north of MTJ then at 17;000 MSL he turned right to HBU. The aircraft was filed MTJ.HBU.LDORA… and was cleared as filed. When the aircraft was questioned about what he was doing he responded flying his company departure procedure which is to go 12 miles north of MTJ then turn left to JNC. Well that is not even close to what the aircraft flew. Also this is not a published departure procedure that we have for MTJ. We do have 3 departure procedures for the airport one being an obstacle clearance procedure.[This company's] aircraft are flying a procedure (or not flying it) that we have zero knowledge of. I am not sure that the pilots understand that they are going west 50 miles before going back east to join their route. This is not [an] acceptable routing out of MTJ as it conflicts with arrivals into MJT as well as departures and arrivals off of GJT. During busy ski country days this will not work at all as it will block the airport and cause excessive delays. I am requesting that [company] aircraft fly [one] of the 3 published departure procedures out of MTJ and not a company [procedure]. They may need additional training to fly in and out of the mountain airports (GUC; MTJ; DRO). Denver Center needs a copy of their company procedures so we know what they are doing. They need to contact Denver Center and meet with us about their procedures.I have turned this into our QC and Airspace departments numerous times now and have gotten no [resolution]. It should not take an act of Congress and months to get procedures fixed into and out of mountainous terrain airports.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.