Non-flying instructor pilot reported an near midair collision while approaching to land. ATC informe...

Attributes
ACN	1747879
Time
Date	202006
Local Time Of Day	1201-1800
Place
Locale Reference	JVL.Airport
State Reference	WI
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Small Aircraft Low Wing 1 Eng Retractable Gear
Operating Under FAR Part	Part 91
Flight Phase	Initial Approach
Route In Use	Vectors
Flight Plan	None
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	Final Approach
Person 1
Function	Pilot Not Flying
Qualification	Flight Crew Multiengine Flight Crew Flight Instructor Flight Crew Flight Engineer Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument
Experience	Flight Crew Last 90 Days 25 Flight Crew Total 27000 Flight Crew Type 200
Events
Anomaly	Conflict NMAC Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy
Miss Distance	Vertical 100

Narrative:

I was the pilot not flying in my friends aircraft X. We were coming from the east and were on a right base for runway 36 which is blacktop and 75 feet wide. The other two runways at jvl are concrete and 150 feet wide. Aircraft Y I believe was on a left base for runway 36 approaching from the west. Janesville does not have radar. We were expecting to follow aircraft Y. The runway number for 36 was faded and hard to see. Runway 36 was hard to see because it is blacktop and half the width of the two concrete runways. The pilot of aircraft Y apparently did not see runway 36 and flew east towards runway 32 which was closed. The tower controller had aircraft Y do a 180 and fly west on a right base for 36. The aircraft Y pilot did not see runway 36 on his second pass and flew towards runway 4. The aircraft Y pilot was told to do another 180 on to a left base for runway 36. He did not see runway 36 a third time and passed about 100 feet under us. We turned final for runway 36 and the tower controller identified us when my friend turned his landing light on. The aircraft Y landed after we landed. When I called jvl ground to depart the controller immediately told me they were going to paint new numbers on runway 18/36. He also suggested on the ATIS that pilots should have an airport diagram available when flying to jvl because runway 18/36 is much harder to see than runways 14/32 or 4/22.

Original NASA ASRS Text

Title: Non-flying instructor pilot reported an NMAC while approaching to land. ATC informed the instructor's aircraft the conflicting aircraft was unable to find the correct runway due to worn-out runway markings.

Narrative: I was the pilot not flying in my friends Aircraft X. We were coming from the east and were on a right base for Runway 36 which is blacktop and 75 feet wide. The other two runways at JVL are concrete and 150 feet wide. Aircraft Y I believe was on a left base for Runway 36 approaching from the west. Janesville does not have radar. We were expecting to follow Aircraft Y. The runway number for 36 was faded and hard to see. Runway 36 was hard to see because it is blacktop and half the width of the two concrete runways. The pilot of Aircraft Y apparently did not see Runway 36 and flew east towards Runway 32 which was closed. The Tower Controller had Aircraft Y do a 180 and fly west on a right base for 36. The Aircraft Y pilot did not see Runway 36 on his second pass and flew towards Runway 4. The Aircraft Y pilot was told to do another 180 on to a left base for Runway 36. He did not see Runway 36 a third time and passed about 100 feet under us. We turned final for Runway 36 and the Tower Controller identified us when my friend turned his landing light on. The Aircraft Y landed after we landed. When I called JVL Ground to depart the Controller immediately told me they were going to paint new numbers on Runway 18/36. He also suggested on the ATIS that pilots should have an airport diagram available when flying to JVL because Runway 18/36 is much harder to see than Runways 14/32 or 4/22.

Data retrieved from NASA's ASRS site 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.

Non-flying instructor pilot reported an near midair collision while approaching to land. ATC informed the instructor's aircraft the conflicting aircraft was unable to find the correct runway due to worn-out runway markings.