I filed a FOIA way back in December (restricted airspace shapefile data) – after following up several times I was told within ten days I will have a response. I am assuming the FAA does not have official restricted drone airspace shapefile data. I am going to start compiling official gis datasets that essentially build up the layer and list below.
Military Areas (data is from 2012, there should be a newer dataset)
**site down: https://catalog.data.gov/dataset/military-installations-ranges-and-training-areas
correct site: http://www.acq.osd.mil/eie/BSI/BEI_DISDI.html
supplemental military data:
Outdated mapbox data: https://github.com/mapbox/drone-feedback/tree/master/sources/shapefile
FAA TFR: http://www.faa.gov/uas/tfr/
FAA B4UFLY: https://www.faa.gov/uas/b4ufly/