Narrative:

Approaching iah from the southwest; gland 3 arrival. Captain PF; myself briefed an ILS runway 27 as the standard approach when arriving on the gland 3 arrival from the southwest. Co-captain PNF; said no; he'd ask for the ILS runway 26L; and he set up the ILS runway 26L and requested it upon initial contact with houston approach; busy controller didn't advise approach until much later and said expect the ILS runway 27. Co-captain reprogrammed the FMS; but put the wrong localizer frequency in the navigation radios. Captain; PF overshot localizer. Captain went to green needle; raw data as required by the G4 flight manual. Captain reacted with a left turn when noticed on the mfd; aircraft was right of course; even though green course needle had not moved due to wrong frequency dialed in. ATC noticed at about the same time and instructed a more aggressive left turn to intercept the localizer. No conflicts noted. Aircraft correct as soon as possible and landed normally as did aircraft in front; behind and beside G4. Suggest amending ATIS to include active approachs from arrs; just like most ICAO countries do. Don't change approachs so close to airport.

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Original NASA ASRS Text

Title: G4 FLT CREW LANDING IAH REQUESTS ILS 26L AND IS LATER CLEARED FOR ILS 27. FLT CREW REPROGRAMS FMC BUT DOES NOT CHANGE ILS FREQUENCY. OVERSHOOT NORTH OF COURSE OCCURS BEFORE CORRECTION IS INITIATED.

Narrative: APCHING IAH FROM THE SW; GLAND 3 ARR. CAPT PF; MYSELF BRIEFED AN ILS RWY 27 AS THE STANDARD APCH WHEN ARRIVING ON THE GLAND 3 ARR FROM THE SW. CO-CAPT PNF; SAID NO; HE'D ASK FOR THE ILS RWY 26L; AND HE SET UP THE ILS RWY 26L AND REQUESTED IT UPON INITIAL CONTACT WITH HOUSTON APCH; BUSY CTLR DIDN'T ADVISE APCH UNTIL MUCH LATER AND SAID EXPECT THE ILS RWY 27. CO-CAPT REPROGRAMMED THE FMS; BUT PUT THE WRONG LOC FREQ IN THE NAV RADIOS. CAPT; PF OVERSHOT LOC. CAPT WENT TO GREEN NEEDLE; RAW DATA AS REQUIRED BY THE G4 FLT MANUAL. CAPT REACTED WITH A L TURN WHEN NOTICED ON THE MFD; ACFT WAS R OF COURSE; EVEN THOUGH GREEN COURSE NEEDLE HAD NOT MOVED DUE TO WRONG FREQ DIALED IN. ATC NOTICED AT ABOUT THE SAME TIME AND INSTRUCTED A MORE AGGRESSIVE L TURN TO INTERCEPT THE LOC. NO CONFLICTS NOTED. ACFT CORRECT ASAP AND LANDED NORMALLY AS DID ACFT IN FRONT; BEHIND AND BESIDE G4. SUGGEST AMENDING ATIS TO INCLUDE ACTIVE APCHS FROM ARRS; JUST LIKE MOST ICAO COUNTRIES DO. DON'T CHANGE APCHS SO CLOSE TO ARPT.

Data retrieved from NASA's ASRS site as of January 2009 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.