TK882 was performed as a direct flight from Istanbul to Tabriz airport.
Boundary Report
All flights before entering Iran ADIZ (which coincides with Tehran FIR boundary) shall be at FL150 or above. Aircraft unable to comply shall obtain prior permission. FIR entry estimates shall be made good within +/- 5 minutes. All aircraft shall enter Tehran FIR via published ATS routes. Aircraft not complying with these procedures. are subject to interception.
All aircraft are required to contact Air defense Radar on 127.800 MHz or 135.100 MHz at least 40 NM prior to entering Tehran FIR; if unable to contact, flight information will relay through ATC.
Approach
Emergency Descend
When a controlled flight experiences sudden decompression or a (similar) malfunction requiring an emergency descent, the aircraft shall, if able;
Initiate a turn away from the assigned route or track before commencing the emergency descent(At least 30 degrees turning left or right within 30 seconds);
Advise the appropriate air traffic control unit as soon as possible of the emergency descent; (if practicable, advise of the direction in which the turn is being made.) Set transponder Code to 7700;
Turn on exterior lights;
Watch for conflicting traffic both visually and by reference to ACAS( if equipped).
Coordinate its further intensions with the appropriate ATC unit.
For an emergency descent during approach, the aircraft should descend within the ATS rout.
At Tabriz International Airport, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. The clearer part of the year at Tabriz International Airport begins around May 25 and lasts for 4.5 months, ending around October 10. The clearest month of the year at Tabriz International Airport is July, during which on average the sky is clear, mostly clear, or partly cloudy99% of the time. The cloudier part of the year begins around October 10 and lasts for 7.5 months, ending around May 25. The cloudiest month of the year at Tabriz International Airport is March, during which on average the sky is overcast or mostly cloudy 43% of the time.
This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. The average hourly wind speed at Tabriz International Airport experiences mild seasonal variation over the course of the year. The windier part of the year lasts for 3.9 months, from January 12 to May 8, with average wind speeds of more than 9.1 miles per hour. The windiest month of the year at Tabriz International Airport is March, with an average hourly wind speed of 10.0 miles per hour. The calmer time of year lasts for 8.1 months, from May 8 to January 12. The calmest month of the year at Tabriz International Airport is October, with an average hourly wind speed of 8.3 miles per hour.
The predominant average hourly wind direction at Tabriz International Airport varies throughout the year.
The wind is most often from the west for 3.0 weeks, from May 9 to May 30, with a peak percentage of 35% on May 20. The wind is most often from the east for 4.4 months, from May 30 to October 10, with a peak percentage of 72% on July 26. The wind is most often from the southfor 7.0 months, from October 10 to May 9, with a peak percentage of 57% on January 1.
When released from Ankara FIR to 119.3 MHz Tahran ATS we are starting to descent for landing. When air service was terminated transferred to TABRIZ Approach on frequence 122.5 MHz. At this time ATIS were available. SETNA 1N conventional STAR was performed. After an alignment turn, hold was exit at FL120. Via 16 DME ARC, and followed ILS 1 Rwy 30R approach procedures.
MISSED APCH CLIMB GRADIENT for Rwy 30R is MIM 4.1%. Where an aeroplane cannot achieve the missed approach gradient when operating at or near maximum certificated landing mass and in engine out conditions, an alternative means of compliance demonstrating that a missed approach can be executed safely taking into account appropriate mitigating measures may be proposed to the competent authority. In this case consider Rwy change.
There is a procedure of using Rwy 30L/12R as Contingency Rwy. Contingency Rwy 30 L/12 R is only available for take off and landing under certain conditions. A NOTAM regarding the closure of Rwy 30R/12L and indication of expected delays to arrivals and departures shall be issued.
Varesh Airlines B737 landing inTabriz Ints Airport
After landing, although there was a difference depending on the landing weight, a backtrack was made on the 12R/30L runway with the F taxiway and the apron was entered with the FollowMe via the B exit.
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