FAA Form 7233-4 - International Flight PlanД®NR 1.7 Barometric Altimeter Errors and Setting ProceduresДЄircraft altimeters are subject to the following errors and weather factors: Gulf of Mexico RNAV Routes Q100, Q102, and Q105.New York Oceanic Control Area (OCA) West Flight Level Allocation.Reduced Separation ClimbвЃ„Descent Procedures.Atlantic High Offshore Airspace Offshore Routes Supporting Florida Airspace Optimization.North Atlantic (NAT) Safety Information.North Atlantic (NAT) Timekeeping Procedures.North Atlantic (NAT) Oceanic Clearance Procedures.Operational Policy ADSв€’C Distance-Based Separation.Operational Policy 50 NM Lateral Separation.Special Procedures for In-Flight Contingencies in Oceanic Airspace.Bird Migration and Areas With Sensitive Fauna.Prohibited, Restricted, and Other Areas.Performance-Based Navigation (PBN) and Area Navigation (RNAV).National Security and Interception Procedures.Addressing of Flight Plans for Domestic or International Flight Planning.Flight Planning (Restriction, Limitation or Advisory Information).Cold Temperature Barometric Altimeter Errors, Setting Procedures, and Cold Temperature Airports (CTA).Barometric Altimeter Errors and Setting Procedures.ATS Surveillance Services and Procedures.Holding, Approach, and Departure Procedures.charges for aerodromes/heliports and air navigation services.Aircraft Rescue and Fire Fighting Communications.Measuring System, Time System, and Aircraft Markings.

Differences From ICAO Standards, Recommended Practices and Procedures.Summary of National Regulations and International Agreements/Conventions.

Aircraft Instruments, Equipment, and Flight Documents.

Entry, Transit, and Departure of Passengers and Crew.

Barometric pressure weather indicator