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Pilot of M20P encountered near midair collision with cessna on takeoff from crossing runway at oak. Takeoff clearance contained turn information prior to crossing runways that was confusing to reporter.
| Attributes | |
| ACN | 587656 |
| Time | |
| Date | 200307 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : oak.airport |
| State Reference | CA |
| Altitude | agl bound lower : 0 agl bound upper : 500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | M-20 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | climbout : initial climbout : intermediate altitude |
| Route In Use | departure : on vectors |
| Flight Plan | None |
| Aircraft 2 | |
| Controlling Facilities | tower : oak.tower |
| Make Model Name | Cessna Aircraft Undifferentiated or Other Model |
| Flight Phase | climbout : takeoff climbout : initial |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot oversight : pic |
| Qualification | pilot : private pilot : instrument |
| Experience | flight time total : 5000 |
| ASRS Report | 587656 |
| Events | |
| Anomaly | conflict : nmac non adherence : required legal separation non adherence : far non adherence : clearance |
| Independent Detector | aircraft equipment : tcas other flight crewa |
| Resolutory Action | none taken : insufficient time |
| Miss Distance | horizontal : 100 vertical : 20 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance Airport |
| Primary Problem | ATC Human Performance |
Narrative:
I was cleared for takeoff on runway 15 at oakland airport. The tower told me it was ok to cross runway 27R, but make a right turn prior to runway 27L. Shortly after takeoff, I saw a cessna upwind off runway 27L (no mention was made of this aircraft) at about my altitude. I told the tower I was unable to turn right. The tower then said something I couldn't understand. Later I found out she told me to turn left, downwind for runway 27L? I was supposed to be departing north (petaluma) 069. I was then given a heading of 080 degrees. The right turn after takeoff from runway 15 is non standard. The phraseology used to not cross was non standard. If I had turned left so as not to cross runway 27R I would have been dangerously close to the cessna departing runway 27L. My TCASII was giving me a warning.
Original NASA ASRS Text
Title: PLT OF M20P ENCOUNTERED NMAC WITH CESSNA ON TKOF FROM XING RWY AT OAK. TKOF CLRNC CONTAINED TURN INFO PRIOR TO XING RWYS THAT WAS CONFUSING TO RPTR.
Narrative: I WAS CLRED FOR TKOF ON RWY 15 AT OAKLAND ARPT. THE TWR TOLD ME IT WAS OK TO CROSS RWY 27R, BUT MAKE A R TURN PRIOR TO RWY 27L. SHORTLY AFTER TKOF, I SAW A CESSNA UPWIND OFF RWY 27L (NO MENTION WAS MADE OF THIS ACFT) AT ABOUT MY ALT. I TOLD THE TWR I WAS UNABLE TO TURN R. THE TWR THEN SAID SOMETHING I COULDN'T UNDERSTAND. LATER I FOUND OUT SHE TOLD ME TO TURN L, DOWNWIND FOR RWY 27L? I WAS SUPPOSED TO BE DEPARTING N (PETALUMA) 069. I WAS THEN GIVEN A HEADING OF 080 DEGS. THE R TURN AFTER TKOF FROM RWY 15 IS NON STANDARD. THE PHRASEOLOGY USED TO NOT CROSS WAS NON STANDARD. IF I HAD TURNED L SO AS NOT TO CROSS RWY 27R I WOULD HAVE BEEN DANGEROUSLY CLOSE TO THE CESSNA DEPARTING RWY 27L. MY TCASII WAS GIVING ME A WARNING.
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.