|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||1201 To 1800|
|Locale Reference||atc facility : bos|
|Altitude||msl bound lower : 20000|
msl bound upper : 22000
|Controlling Facilities||artcc : zbw|
|Operator||general aviation : corporate|
|Make Model Name||Small Transport, Low Wing, 2 Turbojet Eng|
|Flight Phase||climbout : intermediate altitude|
|Function||flight crew : captain|
oversight : pic
|Qualification||pilot : cfi|
pilot : atp
pilot : commercial
|Experience||flight time last 90 days : 100|
flight time total : 8800
flight time type : 900
|Function||flight crew : first officer|
|Qualification||pilot : instrument|
pilot : commercial
|Anomaly||altitude deviation : overshoot|
non adherence : clearance
|Independent Detector||other controllera|
|Resolutory Action||flight crew : returned to intended course or assigned course|
|Air Traffic Incident||Pilot Deviation|
After departure we were turned over to ZBW with an expected climb clearance to an altitude of FL240. During the climb we had several intermediate level-off's. The PNF received and read back a climb clearance to what he thought was FL220. As normal, he set the altitude selected to FL220. As the aircraft climbed through FL210 ZBW called and asked what our altitude was. He responded, '21000, 200.' the controller advised us that we were only cleared to FL200 and to stop the climb to FL220. He restated that we were only cleared to FL200. There were no more comments to or from this controller concerning the altitude. I asked the copilot what he felt had happened. He stated that he was sure that he had rogered FL220. I believe in, and try to operate our aircraft as a 2 pilot crew. You should be able to look at the altitude selector and if it is set to an altitude that you know is safe, the copilot says he accepted that altitude, and you have no reason to question him, then I think you should do it. I do accept full responsibility for this incident. If I had thought there was a question on the altitude I would have had him confirm the clearance with the controller.
Original NASA ASRS Text
Title: CPR SMT ALT DEVIATION OVERSHOT DURING CLIMB.
Narrative: AFTER DEP WE WERE TURNED OVER TO ZBW WITH AN EXPECTED CLB CLRNC TO AN ALT OF FL240. DURING THE CLB WE HAD SEVERAL INTERMEDIATE LEVEL-OFF'S. THE PNF RECEIVED AND READ BACK A CLB CLRNC TO WHAT HE THOUGHT WAS FL220. AS NORMAL, HE SET THE ALT SELECTED TO FL220. AS THE ACFT CLBED THROUGH FL210 ZBW CALLED AND ASKED WHAT OUR ALT WAS. HE RESPONDED, '21000, 200.' THE CTLR ADVISED US THAT WE WERE ONLY CLRED TO FL200 AND TO STOP THE CLB TO FL220. HE RESTATED THAT WE WERE ONLY CLRED TO FL200. THERE WERE NO MORE COMMENTS TO OR FROM THIS CTLR CONCERNING THE ALT. I ASKED THE COPLT WHAT HE FELT HAD HAPPENED. HE STATED THAT HE WAS SURE THAT HE HAD ROGERED FL220. I BELIEVE IN, AND TRY TO OPERATE OUR ACFT AS A 2 PLT CREW. YOU SHOULD BE ABLE TO LOOK AT THE ALT SELECTOR AND IF IT IS SET TO AN ALT THAT YOU KNOW IS SAFE, THE COPLT SAYS HE ACCEPTED THAT ALT, AND YOU HAVE NO REASON TO QUESTION HIM, THEN I THINK YOU SHOULD DO IT. I DO ACCEPT FULL RESPONSIBILITY FOR THIS INCIDENT. IF I HAD THOUGHT THERE WAS A QUESTION ON THE ALT I WOULD HAVE HAD HIM CONFIRM THE CLRNC WITH THE CTLR.
Data retrieved from NASA's ASRS site as of August 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.