What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Shuttle 4550 was issued a vector by pit approach for the ILS runway 28 left approach. Crew acknowledged the vector and the approach. Flight 4550 was cleared for the ILS 28L approach. Crew acknowledged flight 4550 was observed crossing the 28L localizer proceeding on a west southwest heading away from the airport at 1,600 ft. MSL. (Inbound course heading 280 degrees and airport elevation is 1200 ft. MSL). Flight 4550'S position was 1-2 miles east and 2 miles south of the pittz outer marker (pittz is 5NM east of runway 28L @ pit). ATC cancelled the approach clearance and issued an immediate climb to 3000 ft. MSL. Crew stated they had the incorrect localizer (ILS 28R or ILS 32) tuned in the nav radio and were following the g/s readings for the ILS for 28 right. Flight 4550 was 400' AGL, descending, 7 miles from kpit. Submission of this report closes this incident.
As the FAA filed it
(-23) SHUTTLE 4550 WAS ISSUED A VECTOR BY PIT APPROACH FOR THE ILS RUNWAY 28 LEFT APPROACH. CREW ACKNOWLEDGED THE VECTOR AND THE APPROACH. FLIGHT 4550 WAS CLEARED FOR THE ILS 28L APPROACH. CREW ACKNOWLEDGED FLIGHT 4550 WAS OBSERVED CROSSING THE 28L LOCALIZER PROCEEDING ON A WEST SOUTHWEST HEADING AWAY FROM THE AIRPORT AT 1,600 FT. MSL. (INBOUND COURSE HEADING 280 DEGREES AND AIRPORT ELEVATION IS 1200 FT. MSL). FLIGHT 4550'S POSITION WAS 1-2 MILES EAST AND 2 MILES SOUTH OF THE PITTZ OUTER MARKER (PITTZ IS 5NM EAST OF RUNWAY 28L @ PIT). ATC CANCELLED THE APPROACH CLEARANCE AND ISSUED AN IMMEDIATE CLIMB TO 3000 FT. MSL. CREW STATED THEY HAD THE INCORRECT LOCALIZER (ILS 28R OR ILS 32) TUNED IN THE NAV RADIO AND WERE FOLLOWING THE G/S READINGS FOR THE ILS FOR 28 RIGHT. FLIGHT 4550 WAS 400' AGL, DESCENDING, 7 MILES FROM KPIT. SUBMISSION OF THIS REPORT CLOSES THIS INCIDENT.