FAA Notice N 8900.747 FAA-Approved Deicing Program for Winter 2025–2026

This notice provides inspectors with information on the Federal Aviation Administration (FAA)-approved deicing program for Winter 2025–2026. This notice is designed to be used in conjunction with the FAA Holdover Times (HOT), Degree-Specific Holdover Times (DSHOT), Regression Data, and Allowance Time Guidelines for Winter 2025–2026. This notice replaces Notice N 8900.708, FAA-Approved Deicing Program for Winter 2024–2025, which expired on August 2, 2025. This notice contains guidance that is pertinent to Title 14 of the Code of Federal Regulations (14 CFR) §§ 121.629(c), 125.221(b), and 135.227(b)(3).

FAA AC 91-94 Update, Application and Issuance Process for a Letter of Deviation Authority Issued in Accordance With 14 CFR § 91.326

This AC provides information
and guidance on the application and issuance process for obtaining a Letter of Deviation
Authority (LODA) to operate certain aircraft holding limited category and experimental
Special Airworthiness Certificates for compensation or hire while providing flight
training, checking, or testing. The Federal Aviation Administration (FAA) has the
regulatory authority to issue a LODA in accordance with Title 14 of the Code of Federal
Regulations (14 CFR) §§ 91.315, 91.319, and 91.326.