37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Attributes | |
ACN | 253626 |
Time | |
Date | 199310 |
Day | Fri |
Local Time Of Day | 1201 To 1800 |
Place | |
Locale Reference | atc facility : sac |
State Reference | CA |
Altitude | msl bound lower : 31000 msl bound upper : 31000 |
Environment | |
Flight Conditions | VMC |
Light | Daylight |
Aircraft 1 | |
Controlling Facilities | artcc : zoa |
Operator | other |
Make Model Name | Experimental |
Flight Phase | climbout : intermediate altitude |
Route In Use | enroute : direct |
Flight Plan | IFR |
Aircraft 2 | |
Operator | common carrier : air carrier |
Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
Flight Phase | cruise other |
Route In Use | enroute : on vectors |
Flight Plan | IFR |
Person 1 | |
Affiliation | government : faa |
Function | controller : radar |
Qualification | controller : radar |
Experience | controller radar : 7 |
ASRS Report | 253626 |
Person 2 | |
Affiliation | government : military |
Function | flight crew : single pilot |
Qualification | pilot : military |
Events | |
Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
Independent Detector | other controllera |
Resolutory Action | other |
Consequence | faa : investigated |
Miss Distance | horizontal : 16800 vertical : 1200 |
Supplementary | |
Primary Problem | ATC Human Performance |
Air Traffic Incident | Operational Error |
Narrative:
Military X took off from beale and usually is on the pynun departure. This time he was rerouted direct to mustang which put him in conflict with air carrier Y at FL310 who was on a 325 degree heading for klamath falls. Military X was climbing out of FL285 for FL600 when I was alerted to his turn to the east. I asked military X how fast he could be out of FL330. I thought he said 1 min, but later learned he said about 1 or 2 mins. I then told military X to report leaving FL330. I also made another mistake at this point, because I thought I said report leaving FL330 in 1 min or less. Needless to say, it didn't work. Before listening to the tapes I was thinking this was a pilot deviation believing I had said report leaving FL330 in 1 min or less. I might add that there was heavy frequency congestion on my discrete frequencys (VHF and UHF). It was so bad at times, I couldn't make out any aircraft idents.
Original NASA ASRS Text
Title: MIL X CLB THROUGH OCCUPIED ALT, HAD LTSS FROM ACR Y. SYS ERROR.
Narrative: MIL X TOOK OFF FROM BEALE AND USUALLY IS ON THE PYNUN DEP. THIS TIME HE WAS REROUTED DIRECT TO MUSTANG WHICH PUT HIM IN CONFLICT WITH ACR Y AT FL310 WHO WAS ON A 325 DEG HDG FOR KLAMATH FALLS. MIL X WAS CLBING OUT OF FL285 FOR FL600 WHEN I WAS ALERTED TO HIS TURN TO THE E. I ASKED MIL X HOW FAST HE COULD BE OUT OF FL330. I THOUGHT HE SAID 1 MIN, BUT LATER LEARNED HE SAID ABOUT 1 OR 2 MINS. I THEN TOLD MIL X TO RPT LEAVING FL330. I ALSO MADE ANOTHER MISTAKE AT THIS POINT, BECAUSE I THOUGHT I SAID RPT LEAVING FL330 IN 1 MIN OR LESS. NEEDLESS TO SAY, IT DIDN'T WORK. BEFORE LISTENING TO THE TAPES I WAS THINKING THIS WAS A PLT DEV BELIEVING I HAD SAID RPT LEAVING FL330 IN 1 MIN OR LESS. I MIGHT ADD THAT THERE WAS HVY FREQ CONGESTION ON MY DISCRETE FREQS (VHF AND UHF). IT WAS SO BAD AT TIMES, I COULDN'T MAKE OUT ANY ACFT IDENTS.
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.