B737-800 captain reported 'tremendous turbulence' from jet wash while landing on runway 12 at mia th...

Attributes
ACN	1313645
Time
Date	201511
Local Time Of Day	1201-1800
Place
Locale Reference	MIA.Airport
State Reference	FL
Environment
Light	Daylight
Aircraft 1
Make Model Name	B737-800
Operating Under FAR Part	Part 121
Flight Phase	Final Approach
Flight Plan	IFR
Aircraft 2
Make Model Name	B777 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Takeoff
Flight Plan	IFR
Person 1
Function	Pilot Not Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	ATC Issue All Types Inflight Event / Encounter Other / Unknown

Narrative:

We were on short final landing runway 12 in miami. The first officer was flying. Mia tower then cleared a heavy B777 for takeoff from runway 8R. Surface winds were approximately 050/10. Nearing the runway and seconds from flaring; our aircraft experienced tremendous turbulence associated from the takeoff thrust used by the departing B777 on runway 8R. The first officer handled the significant changes in pitch/power well and managed to make a normal landing on runway 12.the turbulence we experienced was associated to the B777's takeoff thrust - it was not wake turbulence. The crosswind probably played a role in blowing it closer to our flight path. Had it been any worse we likely would have had to execute a go-around. Are there any minimum separation standards for landing aircraft and departing heavy aircraft from intersecting runways? Something perhaps to look at.

Original NASA ASRS Text

Title: B737-800 Captain reported 'tremendous turbulence' from jet wash while landing on Runway 12 at MIA that was associated with a B777 departure on Runway 8R. Runway 8R and Runway 12 are close enough that the runway centerlines intersect near the runway thresholds.

Narrative: We were on short final landing runway 12 in Miami. The first officer was flying. MIA tower then cleared a heavy B777 for takeoff from runway 8R. Surface winds were approximately 050/10. Nearing the runway and seconds from flaring; our aircraft experienced tremendous turbulence associated from the takeoff thrust used by the departing B777 on runway 8R. The First Officer handled the significant changes in pitch/power well and managed to make a normal landing on runway 12.The turbulence we experienced was associated to the B777's takeoff thrust - it was not wake turbulence. The crosswind probably played a role in blowing it closer to our flight path. Had it been any worse we likely would have had to execute a go-around. Are there any minimum separation standards for landing aircraft and departing heavy aircraft from intersecting runways? Something perhaps to look at.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

B737-800 captain reported 'tremendous turbulence' from jet wash while landing on runway 12 at mia that was associated with a B777 departure on runway 8R. Runway 8R and runway 12 are close enough that the runway centerlines intersect near the runway thresholds.