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| Attributes | |
| ACN | 170550 | 
| Time | |
| Date | 199102 | 
| Day | Fri | 
| Local Time Of Day | 0601 To 1200 | 
| Place | |
| Locale Reference | airport : sac | 
| State Reference | CA | 
| Altitude | agl bound lower : 0 agl bound upper : 0  | 
| Environment | |
| Flight Conditions | VMC | 
| Light | Daylight | 
| Aircraft 1 | |
| Operator | general aviation : personal | 
| Make Model Name | Small Aircraft, High Wing, 1 Eng, Fixed Gear | 
| Flight Phase | ground other : taxi | 
| Flight Plan | None | 
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer | 
| Flight Phase | climbout : takeoff | 
| Person 1 | |
| Affiliation | Other | 
| Function | flight crew : single pilot | 
| Qualification | pilot : private | 
| Experience | flight time last 90 days : 49 flight time total : 160 flight time type : 68  | 
| ASRS Report | 170550 | 
| Person 2 | |
| Affiliation | Other | 
| Function | flight crew : single pilot | 
| Events | |
| Anomaly | conflict : ground critical incursion : runway non adherence : far non adherence : clearance  | 
| Independent Detector | other flight crewa | 
| Resolutory Action | none taken : insufficient time | 
| Consequence | Other | 
| Miss Distance | horizontal : 50 vertical : 50  | 
| Supplementary | |
| Primary Problem | Flight Crew Human Performance | 
| Air Traffic Incident | Pilot Deviation | 
Narrative:
When I was going to taxi to the runway, ground talked to me: 'clear to taxi runway 20.' then I began to taxi, but I confused the active runway. I went to runway 30 via across runway 20. While I was crossing it someone was starting to takeoff. He flew past the taxiway where I had just gone through. There was no collision, but it was very close.
Original NASA ASRS Text
Title: CRITICAL GND CONFLICT. GND INCIDENT WHEN SMA X CROSSES RWY IN AN UNAUTH RWY ENTRY SITUATION.
Narrative: WHEN I WAS GOING TO TAXI TO THE RWY, GND TALKED TO ME: 'CLR TO TAXI RWY 20.' THEN I BEGAN TO TAXI, BUT I CONFUSED THE ACTIVE RWY. I WENT TO RWY 30 VIA ACROSS RWY 20. WHILE I WAS XING IT SOMEONE WAS STARTING TO TKOF. HE FLEW PAST THE TXWY WHERE I HAD JUST GONE THROUGH. THERE WAS NO COLLISION, BUT IT WAS VERY CLOSE.
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.