Narrative:

I was asked to call ont tower supervisor as soon as I landed on el monte airport in the afternoon of jan/sun/02. As soon as I parked the aircraft, I called the ont tower. He started yelling at me, saying that I bothered everybody after taking off from onto airport because he could not reach me to give my heading. He continued, 'you should not be flying a thing.' I sincerely apologized to him, although I was not sure if I had made a mistake. I thought at least that was the polite way to say to the people who work for the aviation safety. He said that I changed from the ont tower frequency without his approval. That is why he could not give my heading. He did not specify what actually happened after I changed my radio frequency. Although I was telling him that I was positive that I was instructed to change the radio frequency to socal approach by ont tower, he denied this and suddenly hung up after his saying 'talk to you soon!' it was apparently implying that he was going to try to take an action against me for certificate actions for violations of the FARS. It was a beautiful day with good visibility of more than 10 mi. I took off from el monte about XA45 on jan/sun/02 ont airport. It was an uneventful flight and I landed runway 26L. I took a break for about 20 mins and went back on board to my C152 (rental). Before I started the engine, I talked to ont departure control (approximately XB20). He gave me squawking number XXXX and suggested 'right departure' and instructed me to fly below 2500 ft. Ont airport has 2 runways (runway 26L and runway 27R). Then I started the engine and changed my radio frequency to ont ground. This time I was instructed to taxi to runway 26L. I thought that I was still going to take off from runway 26R, but taxi to runway 26L and wait before crossing the runway 26L. Before the hold short line at runway 26L, I changed my radio frequency to ont tower. I saw a big B737 was arriving to runway 26R. The tower gave me clearance for taking off from runway 26L. I did not get a specific instruction either to make a right turn after takeoff nor straight out departure. As I did take off from ont airport to el monte airport before, I took off on course with heading of 026 degrees. After about 5 mins, I received an instruction from ont tower to change my frequency to socal approach. I thought that this was about the right time for me to hear ont tower's instruction to change my frequency, since I was already or almost out of the class C airspace surrounding ont airport. My altitude was about 2000 ft. Since I could not repeat the exact frequency, I replied to them saying 'north-number, frequency change,' and I checked the chart to doublechk the frequency of socal approach. The frequency was busy and I could not start talking to them right away. The class D airspace of the brackett field was getting close. I decided to talk to brackett field tower to request the approval of transition through class D airspace at 1900 ft. The brackett tower approved my transition and instructed me to squawk 1200. I think I was about 3 mi southeast of the airport. I flew back to el monte airport and talked to ground control who asked me whether I was with an instructor and instructed me to call ont tower. I am pretty sure, although I cannot be 100%, that I was instructed to change frequency from ont tower to socal approach by the tower. It is difficult to prove without an audio tape. The ont tower supervisor did not specify what the consequence was of my leaving frequency of ont tower. I might have taken a course, which was different from the course he was thinking about. I think to prevent this unpleasant experience and a potentially dangerous event from happening is to talk to the tower before taking off, trying to get more detailed instructions after taking off including specific headings, which I was not instructed in this particular case.

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Original NASA ASRS Text

Title: A C152 PVT PLT, DEPARTING ONT, ENTERS THE CLASS D AIRSPACE OF POC WITHOUT AUTH OR CLRNC, BEING OFF FREQ WITH THE TWR CTLR AT ONT, CA.

Narrative: I WAS ASKED TO CALL ONT TWR SUPVR AS SOON AS I LANDED ON EL MONTE ARPT IN THE AFTERNOON OF JAN/SUN/02. AS SOON AS I PARKED THE ACFT, I CALLED THE ONT TWR. HE STARTED YELLING AT ME, SAYING THAT I BOTHERED EVERYBODY AFTER TAKING OFF FROM ONTO ARPT BECAUSE HE COULD NOT REACH ME TO GIVE MY HDG. HE CONTINUED, 'YOU SHOULD NOT BE FLYING A THING.' I SINCERELY APOLOGIZED TO HIM, ALTHOUGH I WAS NOT SURE IF I HAD MADE A MISTAKE. I THOUGHT AT LEAST THAT WAS THE POLITE WAY TO SAY TO THE PEOPLE WHO WORK FOR THE AVIATION SAFETY. HE SAID THAT I CHANGED FROM THE ONT TWR FREQ WITHOUT HIS APPROVAL. THAT IS WHY HE COULD NOT GIVE MY HDG. HE DID NOT SPECIFY WHAT ACTUALLY HAPPENED AFTER I CHANGED MY RADIO FREQ. ALTHOUGH I WAS TELLING HIM THAT I WAS POSITIVE THAT I WAS INSTRUCTED TO CHANGE THE RADIO FREQ TO SOCAL APCH BY ONT TWR, HE DENIED THIS AND SUDDENLY HUNG UP AFTER HIS SAYING 'TALK TO YOU SOON!' IT WAS APPARENTLY IMPLYING THAT HE WAS GOING TO TRY TO TAKE AN ACTION AGAINST ME FOR CERTIFICATE ACTIONS FOR VIOLATIONS OF THE FARS. IT WAS A BEAUTIFUL DAY WITH GOOD VISIBILITY OF MORE THAN 10 MI. I TOOK OFF FROM EL MONTE ABOUT XA45 ON JAN/SUN/02 ONT ARPT. IT WAS AN UNEVENTFUL FLT AND I LANDED RWY 26L. I TOOK A BREAK FOR ABOUT 20 MINS AND WENT BACK ON BOARD TO MY C152 (RENTAL). BEFORE I STARTED THE ENG, I TALKED TO ONT DEP CTL (APPROX XB20). HE GAVE ME SQUAWKING NUMBER XXXX AND SUGGESTED 'R DEP' AND INSTRUCTED ME TO FLY BELOW 2500 FT. ONT ARPT HAS 2 RWYS (RWY 26L AND RWY 27R). THEN I STARTED THE ENG AND CHANGED MY RADIO FREQ TO ONT GND. THIS TIME I WAS INSTRUCTED TO TAXI TO RWY 26L. I THOUGHT THAT I WAS STILL GOING TO TAKE OFF FROM RWY 26R, BUT TAXI TO RWY 26L AND WAIT BEFORE XING THE RWY 26L. BEFORE THE HOLD SHORT LINE AT RWY 26L, I CHANGED MY RADIO FREQ TO ONT TWR. I SAW A BIG B737 WAS ARRIVING TO RWY 26R. THE TWR GAVE ME CLRNC FOR TAKING OFF FROM RWY 26L. I DID NOT GET A SPECIFIC INSTRUCTION EITHER TO MAKE A R TURN AFTER TKOF NOR STRAIGHT OUT DEP. AS I DID TAKE OFF FROM ONT ARPT TO EL MONTE ARPT BEFORE, I TOOK OFF ON COURSE WITH HDG OF 026 DEGS. AFTER ABOUT 5 MINS, I RECEIVED AN INSTRUCTION FROM ONT TWR TO CHANGE MY FREQ TO SOCAL APCH. I THOUGHT THAT THIS WAS ABOUT THE RIGHT TIME FOR ME TO HEAR ONT TWR'S INSTRUCTION TO CHANGE MY FREQ, SINCE I WAS ALREADY OR ALMOST OUT OF THE CLASS C AIRSPACE SURROUNDING ONT ARPT. MY ALT WAS ABOUT 2000 FT. SINCE I COULD NOT REPEAT THE EXACT FREQ, I REPLIED TO THEM SAYING 'N-NUMBER, FREQ CHANGE,' AND I CHKED THE CHART TO DOUBLECHK THE FREQ OF SOCAL APCH. THE FREQ WAS BUSY AND I COULD NOT START TALKING TO THEM RIGHT AWAY. THE CLASS D AIRSPACE OF THE BRACKETT FIELD WAS GETTING CLOSE. I DECIDED TO TALK TO BRACKETT FIELD TWR TO REQUEST THE APPROVAL OF TRANSITION THROUGH CLASS D AIRSPACE AT 1900 FT. THE BRACKETT TWR APPROVED MY TRANSITION AND INSTRUCTED ME TO SQUAWK 1200. I THINK I WAS ABOUT 3 MI SE OF THE ARPT. I FLEW BACK TO EL MONTE ARPT AND TALKED TO GND CTL WHO ASKED ME WHETHER I WAS WITH AN INSTRUCTOR AND INSTRUCTED ME TO CALL ONT TWR. I AM PRETTY SURE, ALTHOUGH I CANNOT BE 100%, THAT I WAS INSTRUCTED TO CHANGE FREQ FROM ONT TWR TO SOCAL APCH BY THE TWR. IT IS DIFFICULT TO PROVE WITHOUT AN AUDIO TAPE. THE ONT TWR SUPVR DID NOT SPECIFY WHAT THE CONSEQUENCE WAS OF MY LEAVING FREQ OF ONT TWR. I MIGHT HAVE TAKEN A COURSE, WHICH WAS DIFFERENT FROM THE COURSE HE WAS THINKING ABOUT. I THINK TO PREVENT THIS UNPLEASANT EXPERIENCE AND A POTENTIALLY DANGEROUS EVENT FROM HAPPENING IS TO TALK TO THE TWR BEFORE TAKING OFF, TRYING TO GET MORE DETAILED INSTRUCTIONS AFTER TAKING OFF INCLUDING SPECIFIC HDGS, WHICH I WAS NOT INSTRUCTED IN THIS PARTICULAR CASE.

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.