Letter of Deviation Authority for flight training in experimental/LODA
LODA · 14 CFR 91.326(b) (LODA). Note: 91.319(h) is [Reserved]; LODAs issued under 91.319 before 2024-12-02 terminate 2026-12-01 per 91.326(d). 8900.1 Vol 3 Ch 11 Sec 1 (CHG 960, 2025-07-18)
When you need it
Training in experimental/limited aircraft
What the FAA does with it
Issued, submitted by FSDO.
What you'll need to provide
Aircraft, instructor
What the FSDO looks for
Inspectors evaluate submissions using FAA Order 8900.1 guidance and, for certificate holders, SAS Data Collection Tools.
- 8900.1: 8900.1 Vol 3 Ch 11 Sec 1 (CHG 960)
- Advisory Circulars: None listed
- DCTs: n/a - Part 91 / non-SAS
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- Outdated revision of a referenced AC, MMEL or template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: Aircraft, instructor
- Submitting to the wrong office or by the wrong method (expected: FSDO)
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.
BizJetDocs is not affiliated with or endorsed by the FAA. Not legal advice. We cannot guarantee FAA acceptance or approval. You are responsible for the accuracy of your answers and for submitting to the FAA. Liability is limited as set out in the Terms.