# Midwest Express Airlines — Hazardous Materials Safety Interpretation **Citation:** 03-0129 **Type / status:** guidance / guidance **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective:** Not stated **Published:** 2004-04-13 03-0129 response to Midwest Express Airlines concerning 175.10, 175.33. ## Document text <<>> of Transportation U.S. Department 400 Seventh St., S.W. Washington, D.C. 20590 Special Programs Research and Administration APR 13 2004 Mr. David Puhl Air Cargo Trainer Ref. No. 03-0129 Midwest Express Airlines 301 Air Cargo Way Milwaukee, Wisconsin 53207 Dear Mr. Puhl: This responds to your letter regarding pilot notification under the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180). Specifically, you ask if hazardous materials excepted under command requirements of § 175.33. Your airline is certificated § 175.10 (a) (4) are subject to the notification of pilot-in- with regard to the transportation of hazardous materials. under 14 CFR Part 121 and is designated as a "non-carry" airline Your airline does, however, notify the pilot-in-command in writing as required for specific circumstances identified in § 175.10 (a) (4). inquiry and any inconvenience it may have caused. Please accept my apology for the delay in responding to your The answer is no. Unless specifically identified in § 175.10, hazardous materials carried aboard an aircraft by a passenger or crew member under the exceptions prescribed in § 175.10 (a) (4) are not subject to the requirements of the HMR. such items is not subject to the notification of pilot-in-command Thus, a carrier of requirements of § 175.33. require further assistance. I trust this satisfies your inquiry. Please contact us if you Hotte z. Mahell Hattie I. Mitchell Chief, Regulatory Review and Reinvention office of Hazardous Materials Standards 030129 175.10 175.333 <<>> Stevens MIDWEST EXPRESS 3175.10 AIRLINES 3175tir .33 03-0129 May 12, 2003 Mr. Edward T. Mazzullo Director, Office of Hazardous Materials Standards U.S. DOT/RSPA (DHM-10) 400 7th Street S.W. Washington, D.C. 20590-0001 Hazardous Materials Transported by Aircraft SUBJECT: HM-206C, Hazardous Materials: Availability of Information for ! Dear Mr. Mazzullo: I am writing to request an interpretation regarding the recently published final rule referenced above. My company is a 14CFR Part 121 certificated air carrier, and is a "non-carry" airline with regard to the transport of Regulated Hazardous Materials. We do, however, transport certain items listed as Exceptions under 49CFR 175.10. In the course of transportiales exped lead - oil the to captain he comply with the crew notification requirements for items under 49CFR 175.10 which require a flight crew notification. With the added requirements for the notification of flight crews under 49CFR Excepted Hazardous Materials under 49CFR 175.10? I look forward to any clarification you can provide in this matter. Sincerely, Panl1.041 David Puh Midwest Airlines Air Cargo Trainer MKE A/F 301 Air Cargo Way, Milwaukee, Wisconsin 53207 Telephone 414-747-4532 FAX 414-482-3414 wwww.midwestexpress.com MIDWEST EXPRESS HOLDINGS, INC. IS A PUBLIC COMPANY, TRACED ON THE ISE UNDER THE SYMEOL MEM ## Provenance - Official: Yes - Source: - Source ID: `phmsa` - SHA-256: `a6da094c558c9d4e632b3f38b49a03c0717008cee12394b4b10cb110321e18b7` - Retrieved: 2026-08-20T00:59:31.977Z - Exported: 2026-08-22T03:44:44.533Z - Document slug: `phmsa-interpretation-03-0129` ### Source metadata ```json { "materialSubtype": "interpretation", "interpretationArea": "hazardous_materials", "representation": "full_text_from_official_pdf", "companies": [ "Midwest Express Airlines" ], "individuals": [ "Mr. David Puhl" ], "refIds": [ "03-0129" ], "catalogDates": [ "2004-04-13" ], "catalogParts": [ 175 ], "catalogRowCount": 2, "sourceRecordUrls": [ "https://www.phmsa.dot.gov/node/68771" ], "linkedAttachmentUrls": [], "unavailableResponseUrls": [], "duplicateRepresentationUrls": [], "citedSections": [ "175.10", "175.33", "175.333" ], "catalogPageUrls": [ "https://www.phmsa.dot.gov/regulations/title49/section/17510", "https://www.phmsa.dot.gov/regulations/title49/section/17533" ], "pdfUrls": [ "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2003/030129.pdf" ], "representations": [ { "viewUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2003/030129.pdf", "detailUrl": null, "detailHtmlPath": null, "pdfUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2003/030129.pdf", "pdfArtifactPath": "data/sources/phmsa-interpretations/03-0129-c158bbd186.pdf", "pdfArtifactSha256": "eddf1b75d220b9cb936f2d529f95a66a357b0f004a426751150d47c17998f4b2", "extractedTextPath": "data/sources/phmsa-interpretations/03-0129-c158bbd186.v2.txt", "extractedTextSha256": "9142f9ccb19b65243b2a61f1f0332e9f75582770c8cd84757b1cb0af5389c370", "pageCount": 2, "extractionVersion": 2 } ], "caveat": "Interpretations apply regulations to the facts presented and do not create independently enforceable requirements.", "jurisdiction": "US" } ```