AC 91-70B

Change 1Historical

Advisory circular · Oceanic and Remote Continental Airspace Operations

A newer version is currentThis is a historical version. AC 91-70D CHG 1 is the version in force, approved October 19, 2026.
Approved
February 1, 2019
Last reviewed
August 2, 2024
This change
Change 1 of AC 91-70B.
Cancels
AC91-70B
Cancelled by
AC91-70C
Family
AC 91-70 · 7 versions
Revision
B, change 1
14 CFR parts
91, 119, 121, 125, 135

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 21, 2025.