IFR Enroute Low Altitude Charts provide aeronautical information for navigation under instrument flight rules below 18,000 feet MSL. These four-color chart series includes:
Air Traffic Services
Airports that have an Instrument Approach Procedure or a minimum 3000' hard surface runway
Airways/Route Data
Cruising Altitudes
Fixes/ATC Reporting Points
Limits of controlled airspace
Military Training Routes
Off Route Obstruction Clearance Altitudes (OROCA)
Radio aids to navigation
RNAV Routes
Special Use Airspace Areas
Tabulations (MTRs, SUAs, MOAs, Airport data)
Area Charts, which show congested terminal areas at a large scale, are included with subscriptions to any conterminous U.S. Set Low (Full set, East or West sets). Charts are revised every 56 days.
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I took the chance of ordering expired Loctite 330. It was jelled up pretty good and generally unusable. It was my fault for trying it and never called the company to complain as I took the chance and that is on me. Order the good stuff.
Had used aviation Camguard for years. Added as well to each quart of oil added to my Lyc 540 SIA5 aerostar engines. Went past TBO with excellent compressions. Oil analysis always normal.
Also add to automobiles but too early to see a benefit.