WSZA21 FAOR 170417 FACA SIGMET C01 VALID 170400/170600 FAOR- FACA CAPE TOWN FIR EMBD TS OBS WI S3046 E02801 - S3056 E02818 - S3550 E02840 - S3630 E02539 - S3419 E02202 - S3326 E02517 - S3115 E02419 - S3057 E02619 - S3046 E02801 TOP FL350=