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What Causes ADM in Airlines? Full Guide for Travel Agencies
In the airline industry, an ADM (Agency Debit Memo) is issued by airlines to travel agencies to recover losses caused by errors, policy violations, or misuse of booking systems. Understanding the common reasons behind ADMs is essential to avoid financial penalties and maintain a good relationship with airlines. 1. Reservation Booking Designator (RBD) Violations…
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Void vs Refund in Aviation: How to Avoid Fees and Save Money
Picture this. Someone once changed plans last minute. That is when words like void and refund start popping up. Think about standing at an airport counter. The agent says one word instead of the other. It changes everything. One path gives cash back. The other leaves pockets empty. Most folks mix them up. Not…
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Reissue vs Revalidation-How to check if airline accept revalidation
In Amadeus, Sabre, or Travelport Galileo, you typically deal with either Reissue or Revalidation when making modifications to an issued ticket. Despite their similar sounds, these two terms are crucial to a ticket agent’s daily work. What is Revalidation? Revalidation means updating the existing ticket without issuing a new one.The ticket number stays the…
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NDC vs GDS: The Complete Comparison
NDC vs GDS are two major airline distribution systems that every travel professional should understand. Over the past decade, the way airlines sell tickets and ancillary services has changed dramatically What Is NDC? NDC (New Distribution Capability) is a modern data transmission standard developed by the International Air Transport Association (IATA). It allows airlines…
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Retention Segments: How to Keep Your PNR Active
If you work with global distribution systems (GDS) like Amadeus, Sabre, or Travelport Galileo, understanding Retention Segments is essential. They allow travel agents to keep PNRs active without adding new flight segments, which is critical for managing bookings, exchanges, and reporting. What Is a Retention Segment? A Retention Segment is a non-air segment added…
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How to Use ARNK in Amadeus, Sabre & Galileo
If you work with Global Distribution Systems (GDS) like Amadeus, Sabre, or Travelport Galileo, you have likely seen ARNK inside a PNR. This guide explains clearly what ARNK means, why it is important, and how to add it in different GDS systems. What Does ARNK Mean? ARNK stands for Arrival Unknown. It is a…
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Complete Guide to WCHC, WCHR and WCHS in Aviation
In the aviation industry, the codes WCHC, WCHR, and WCHS are special service request (SSR) codes defined by IATA.They are used in airline reservation systems to indicate the type of wheelchair assistance a passenger requires. Understanding the difference between these codes is essential for travel agents, airport staff, and airline employees to ensure smooth…
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What Is Per Sector and Per Coupon in Airline Pricing
Understanding Per Sector, Per Coupon, Per Pricing Unit, Per Combinable and Per Direction in Airline Fare Rules In airline ticketing and fare rules, misunderstanding how a penalty is applied can lead to major pricing errors.Terms like per sector, per coupon, per pricing unit, per combinable, per direction, and per ticket define the exact level…