| Term |
Definition |
| I |
Booking class - use varies depending upon airline |
| i/O |
Invitation Only – EK’s most elite level, supposedly less than 250 members globally, and access is by invitation only. Entry requirements not published, but supposedly 50 sectors in F within 12-months. Membership valid for 2-years. No rules apply and each member has a personalised and dedicated toll-free number. |
| IANAL |
I Am Not A Lawyer |
| IAS |
Indicated Air Speed (in knots) |
| IATA |
International Air Transport Association (airlines' association, issue many pertinent rules) |
| IB |
Iberia Airlines |
| ICAO |
International Civil Aviation Organization (regulates international air travel) |
| ICC |
International/Indian Call Centre (aka Pune/India) |
| ICE |
Immigration and Customs Enforcement. Investigative unit of Immigration and Customs. |
| ICE |
EK’s award winning inflight entertainment system (Information, Communications & Entertainment) |
| ICE Digital |
New widescreen version of ICE, with enhanced user interface |
| ID |
Identification |
| IDB |
Involuntarily Denied Boarding. Airline offers cash consolation. |
| IFE |
In Flight Entertainment |
| IFL |
International First Class Lounge |
| IFR |
Procedures for flying in IMC. |
| IFS |
International Flagship Service |
| IFSD |
In Flight Shut Down (usually relating to an engine) |
| IIRC |
Internet lingo meaning "If I Recall Correctly" |
| IJAIBB |
Internet lingo meaning "Its just another internet Bulletin Board". |
| IK |
Infant confirmed. |
| ILS |
Instrument Landing System (bad weather) |
| IM |
Inventory Management |
| IMC |
Instrument Meteorological Conditions |
| IME |
In My Experience |
| IMO |
Internet lingo meaning "In My Opinion." Sometimes expanded to IMHO -- "In My Humble Opinion." |
| IN |
If not holding, need. Passenger may already be holding space. Check for dupe reservation. |
| IN CONJUNCTION WITH |
The restriction which hotels and car rental agencies apply when awarding miles. For example, to accumulate Mexicana Frecuenta mileage for a stay at a Camino Real hotel, you must show your Mexicana boarding pass as proof of a flight within a certain time period (usually 24 hours) of the stay. |
| INCENTIVE MILES |
Miles purchased from an airline program by a company to be given to employees or customers as rewards. |
| INSPass |
A pre-applied for approved pass allowing expedited passage via US Customs and Immigration arrival lines. |
| IRROPS/IROPS |
Short for Irregular Operations, such as equipment change, ATC delay, flight cancellation, etc. How to pronounce? EAR-ROP or EYE-ROP ... speakers choice. |
| IRRRES or IXXRES |
Manual Reissue Desk |
| IS |
If not holding, sold. Passenger may already be holding. Check for dupe reservation. |
| ISIC |
International Student Identity Card (12 or older currently enrolled as a full-time degree-seeking student at an accredited institution) |
| ISP |
In-seat power |
| ITA |
ITAsoftware search engine for airline itineraries (also Anti-Trust Immunity) |
| ITIC |
International Teacher Identity Card (Teaching > 18 hrs / wk at an accredited institution, min 1 yr employment. |
| ITN |
Internet Travel Network. An online resource for booking travel. |
| IYHO |
In Your Humble Opinion |
| IYTC |
International Youth Travel Card (age 12 - 25) |
