NOTAM that the pilot obtained my have made him illegal if it stated REIL or ALS was inoperative.

Attributes
ACN	108436
Time
Date	198904
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : azo
State Reference	MI
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Small Aircraft
Flight Phase	descent : approach landing other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 3900 flight time type : 1400
ASRS Report	108436
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial
Events
Anomaly	non adherence : far other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

We were on the ILS 35 at azo prior to reaching the OM. Tower gave us RVR of 1400, so we entered the hold at the OM while outbnd in the hold. RVR came back up to 2400. We turned back inbound and were about 9 mi from the OM. As we continued the RVR continued to increase to 5000'. Just prior to reaching the OM tower advised the RVR was now 4000'. We continued past the OM inbound and were given 2400' RVR with landing clearance to land. About halfway down the approach RVR was reported at 2200'. At 400' above DH I reported ground contact. At 300' above DH we had the approach lights. Just after calling 200' above DH we had the runway lights. We continued to a landing because we were outside the MM and had the runway so we had more than the 2400' RVR we thought we needed. After getting azo NOTAMS for the return trip I noticed I missed a NOTAM for the ILS 35 that raised the DH 50', and RVR to 4000'. I am sure we had 4000' as we crossed the marker, but I continued to a landing based on the idea that we needed 2400' for landing. I am not sure we had 4000' for the landing. I picked up the runway at 200' above DH but I am not sure if that is 4000' from the runway. The WX was worse at midfield. Snow showers were coming and going all day and had limited coverage. I missed the NOTAM because at about mid page it said ILS 35 but had no instructions. I thought it was normal. The changes were at the bottom of the page.

Original NASA ASRS Text

Title: NOTAM THAT THE PLT OBTAINED MY HAVE MADE HIM ILLEGAL IF IT STATED REIL OR ALS WAS INOPERATIVE.

Narrative: WE WERE ON THE ILS 35 AT AZO PRIOR TO REACHING THE OM. TWR GAVE US RVR OF 1400, SO WE ENTERED THE HOLD AT THE OM WHILE OUTBND IN THE HOLD. RVR CAME BACK UP TO 2400. WE TURNED BACK INBND AND WERE ABOUT 9 MI FROM THE OM. AS WE CONTINUED THE RVR CONTINUED TO INCREASE TO 5000'. JUST PRIOR TO REACHING THE OM TWR ADVISED THE RVR WAS NOW 4000'. WE CONTINUED PAST THE OM INBND AND WERE GIVEN 2400' RVR WITH LNDG CLRNC TO LAND. ABOUT HALFWAY DOWN THE APCH RVR WAS RPTED AT 2200'. AT 400' ABOVE DH I RPTED GND CONTACT. AT 300' ABOVE DH WE HAD THE APCH LIGHTS. JUST AFTER CALLING 200' ABOVE DH WE HAD THE RWY LIGHTS. WE CONTINUED TO A LNDG BECAUSE WE WERE OUTSIDE THE MM AND HAD THE RWY SO WE HAD MORE THAN THE 2400' RVR WE THOUGHT WE NEEDED. AFTER GETTING AZO NOTAMS FOR THE RETURN TRIP I NOTICED I MISSED A NOTAM FOR THE ILS 35 THAT RAISED THE DH 50', AND RVR TO 4000'. I AM SURE WE HAD 4000' AS WE CROSSED THE MARKER, BUT I CONTINUED TO A LNDG BASED ON THE IDEA THAT WE NEEDED 2400' FOR LNDG. I AM NOT SURE WE HAD 4000' FOR THE LNDG. I PICKED UP THE RWY AT 200' ABOVE DH BUT I AM NOT SURE IF THAT IS 4000' FROM THE RWY. THE WX WAS WORSE AT MIDFIELD. SNOW SHOWERS WERE COMING AND GOING ALL DAY AND HAD LIMITED COVERAGE. I MISSED THE NOTAM BECAUSE AT ABOUT MID PAGE IT SAID ILS 35 BUT HAD NO INSTRUCTIONS. I THOUGHT IT WAS NORMAL. THE CHANGES WERE AT THE BOTTOM OF THE PAGE.

Data retrieved from NASA's ASRS site as of August 2007 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.