IFR en route operations OpSpec/MSpec/125 LOA B033 (replaces decommissioned B031/B032/B034/B035 per N 8900.758)
OpSpec B033 · 14 CFR 119.49; 135
When you need it
Every 135/125/91K IFR operator
What the FAA does with it
Issued, submitted by FSDO WebOPSS.
What you'll need to provide
Areas, nav equipment
What the FSDO looks for
Inspectors evaluate submissions using FAA Order 8900.1 guidance and, for certificate holders, SAS Data Collection Tools.
- 8900.1: V3 C18 S4 Part B Operations Specifications: En Route Authorization and (CHG 1017, Current)
- Advisory Circulars: None listed
- DCTs: none mapped
Common reasons submissions are returned
- Aircraft data (make, model, serial, N-number) inconsistent across the application, the document and the registration certificate
- Outdated revision of a referenced AC, MMEL or template
- Missing signatures, dates or revision control on each page
- Missing required attachments: Areas, nav equipment
- Submitting to the wrong office or by the wrong method (expected: FSDO WebOPSS)
General issues drawn from the requirements above, not statistics.
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Sources: the regulations, ACs and 8900.1 sections listed above (public FAA documents). Guides explain requirements; they are not the document and not legal advice.
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