Minimum descent altitude (MDA) is the lowest altitude specified in an instrument approach procedure, expressed in feet above mean sea level, to which descent is authorized on final approach or during circle-to-land maneuvering until the pilot sees the required visual references for the heliport or runway of intended landing. Stack Exchange Network Stack Exchange network consists of 177 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

[] MDA.See minimum descent altitude. Aviation MDA abbreviation meaning defined here. (ICAO Anex 6) Note 1. Instrument Approaches. Top DA acronym definition related to defence: Drift Angle MDH - minimum descent height, agl. The lowest altitude, in feet amsl, to which descent is authorised on final approach during a non-precision instrument landing (i.e. MDA - minimum descent altitude. ABBREVIATIONS USED IN AIRWAY MANUAL DEFINITIONS A/A Air to Air AAF Army Air Field AAIM Aircraft Autonomous Integrity Monitoring AAIS Automated Aerodrome Information Service AAL Above Aerodrome Level AAS Airport Advisory Service AAU Authorized Approach UNICOM AB Air Base ABM Abeam ABN Aerodrome Beacon AC Air Carrier ACA Arctic Control Area ACA Approach Control Area … Aviation DA acronym meaning defined here. Governmental » Military.

What does MDA stand for in Aviation? Definition. Minimum descent altitude (MDA) is the lowest altitude specified in an instrument approach procedure, expressed in feet above mean sea level, to which descent is authorized on final approach or during circle-to-land maneuvering until the pilot sees the required visual references for the heliport or runway of intended landing. ; What does MDA mean? Definition. Minimum descent altitude (MDA) is the lowest altitude specified in an instrument approach procedure, expressed in feet above mean sea level, to which descent is authorized on final approach or during circle-to-land maneuvering until the pilot sees the required visual references for the heliport or runway of intended landing. : 4-24,4-26 See also. We know 500 definitions … LPV; Navigation; External links. Mean sea level. MDA is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary MEA.See minimum en route altitude. An LNAV approach is flown to a Minimum Descent Altitude, MDA, while an LNAV/VNAV approach is flown to a Decision Altitude, DA.If WAAS becomes unavailable, a GPS or WAAS equipped aircraft can revert to the LNAV MDA using GPS only. What does DA stand for in Aviation? ... Ministerio DeDefensa Aviation. Looking for online definition of MDA or what MDA stands for? 1971) MDA: Message Delivery Attempt (telecommunications) MDA: McDonnell-Douglas Aircraft Find out what is the full meaning of MDA on Abbreviations.com! Looking for the definition of MDA? The Minimum Descent Altitude (MDA) or Minimum Descent Height (MDH) is a specified altitude or height in a Non-Precision Approach or Circling Approach below which descent must not be made without the required visual reference. 'Model Driven Architecture' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. What does MDA mean in Military? TCH - Threshold Crossing Height, for an ILS approach (or non-precision with VNAV), the height that the aircraft will fly over the runway threshold when on glideslope. For MDA we have found 500 definitions. TDZE - Touchdown Zone Elevation, this is important to know because the pilot may descend to 100 feet above the TDZE even if the runway itself is not in sight, even though the DA may be a higher altitude. When landing, what exactly do the phrases "approaching minimums" and "minimums" mean in a commercial jet aircraft, when heard from the onboard cockpit voice.

where no glideslope guidance is given) without visual reference to the runway. Top MDA abbreviation related to Aviation: Minimum Descent Altitude MDA: MacDonald Dettwiler & Associates Ltd. MDA: Metropolitan Development Association (Syracuse, NY) MDA: McDonnell-Douglas Aerospace: MDA: Majorations de Durée d'Assurance (French: Increased Period of Insurance) MDA: Midwest Dairy Association (est.

The Decision Altitude (DA) or Decision Height (DH) is a specified altitude or height in the Precision Approach or approach with vertical guidance at which a Missed Approach must be initiated if the required visual reference to continue the approach has not been established.