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A C150 followed by a C172 was sequenced and handed off by approach control to the grb tower. The C172 had the C150 in sight and was advised he was #2 to follow the C150. The ATCT controller cleared both aircraft to land. The controller saw the C150 land about 2000 ft from the approach end of the runway and then saw the C172 land about 2000 ft past the C150 that was still on the runway.
| Attributes | |
| ACN | 410615 |
| Time | |
| Date | 199808 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : grb |
| State Reference | WI |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Cessna 150 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | landing other |
| Route In Use | enroute : on vectors |
| Flight Plan | VFR |
| Aircraft 2 | |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | landing other |
| Route In Use | enroute : on vectors |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : non radar |
| ASRS Report | 410465 |
| Person 2 | |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Events | |
| Anomaly | conflict : ground critical non adherence : far non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Miss Distance | horizontal : 2000 vertical : 100 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Pilot Deviation Operational Error |
Narrative:
2 VFR aircraft (aircraft #1 C150 and aircraft #2 C172) were sequenced by radar approach for landing runway 36. Aircraft #2 was advised #2 to follow the C150, advised traffic in sight. Both aircraft were cleared to land. Aircraft #1 C150 was low and slow while aircraft #2 C172 was high and faster on final. It was observed aircraft #1 C150 turning at a taxiway 2000 ft from the runway approach end, while aircraft #2 had overflown #1 and was touching down 2000 ft beyond aircraft #1. Because of poor visibility it was observed too late to send aircraft #2 around. As the aircraft was in the flare, it was safer to let them land. Poor visibility and frequency congestion contributed to the event. Although the controller was being attentive, the incident was observed too late to remedy. Both aircraft landed safety.
Original NASA ASRS Text
Title: A C150 FOLLOWED BY A C172 WAS SEQUENCED AND HANDED OFF BY APCH CTL TO THE GRB TWR. THE C172 HAD THE C150 IN SIGHT AND WAS ADVISED HE WAS #2 TO FOLLOW THE C150. THE ATCT CTLR CLRED BOTH ACFT TO LAND. THE CTLR SAW THE C150 LAND ABOUT 2000 FT FROM THE APCH END OF THE RWY AND THEN SAW THE C172 LAND ABOUT 2000 FT PAST THE C150 THAT WAS STILL ON THE RWY.
Narrative: 2 VFR ACFT (ACFT #1 C150 AND ACFT #2 C172) WERE SEQUENCED BY RADAR APCH FOR LNDG RWY 36. ACFT #2 WAS ADVISED #2 TO FOLLOW THE C150, ADVISED TFC IN SIGHT. BOTH ACFT WERE CLRED TO LAND. ACFT #1 C150 WAS LOW AND SLOW WHILE ACFT #2 C172 WAS HIGH AND FASTER ON FINAL. IT WAS OBSERVED ACFT #1 C150 TURNING AT A TXWY 2000 FT FROM THE RWY APCH END, WHILE ACFT #2 HAD OVERFLOWN #1 AND WAS TOUCHING DOWN 2000 FT BEYOND ACFT #1. BECAUSE OF POOR VISIBILITY IT WAS OBSERVED TOO LATE TO SEND ACFT #2 AROUND. AS THE ACFT WAS IN THE FLARE, IT WAS SAFER TO LET THEM LAND. POOR VISIBILITY AND FREQ CONGESTION CONTRIBUTED TO THE EVENT. ALTHOUGH THE CTLR WAS BEING ATTENTIVE, THE INCIDENT WAS OBSERVED TOO LATE TO REMEDY. BOTH ACFT LANDED SAFETY.
Data retrieved from NASA's ASRS site as of July 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.