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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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L1011 maintaining FL350 was cleared to climb to FL370. Out of FL360 controller queried flight if they could be at FL370 in 8 mi. Advised unable and it would be 2-3 mins before level. Passed within 1700 ft of traffic when put on vector. Controller claimed a possible pilot deviation would be filed.
| Attributes | |
| ACN | 365333 |
| Time | |
| Date | 199704 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : las |
| State Reference | NV |
| Altitude | msl bound lower : 36500 msl bound upper : 37000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla |
| Operator | common carrier : air carrier |
| Make Model Name | L-1011-1 100/200/250 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : flight engineer pilot : atp pilot : commercial |
| Experience | flight time last 90 days : 150 flight time total : 16300 flight time type : 400 |
| ASRS Report | 365333 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : flight engineer pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 6200 flight time type : 750 |
| ASRS Report | 365334 |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : far non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | faa : investigated |
| Miss Distance | vertical : 1700 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
I was on a flight from lax to slc. We were cleared from FL350 to FL370. Passing FL360, the controller asked if we could be at FL370 in 8 NM. We replied 'no.' she then asked how long it would take to reach FL370. We replied 2-3 mins. Our vertical speed at the time was approximately 300-500 FPM. We were then given a 75 degree turn to the right. The turn decreased the vertical speed to 100-150 FPM. There were 2 other aircraft in the area. We passed within 1700 ft vertically of one of them. We were then cleared to turn left to the norra intersection. A shallow turn was used in order to maintain a minimum climb rate. We were advised to call ZLA for a possible pilot deviation. This incident occurred because the controller got behind and was not aware of the performance capabilities of the L1011.
Original NASA ASRS Text
Title: L1011 MAINTAINING FL350 WAS CLRED TO CLB TO FL370. OUT OF FL360 CTLR QUERIED FLT IF THEY COULD BE AT FL370 IN 8 MI. ADVISED UNABLE AND IT WOULD BE 2-3 MINS BEFORE LEVEL. PASSED WITHIN 1700 FT OF TFC WHEN PUT ON VECTOR. CTLR CLAIMED A POSSIBLE PLTDEV WOULD BE FILED.
Narrative: I WAS ON A FLT FROM LAX TO SLC. WE WERE CLRED FROM FL350 TO FL370. PASSING FL360, THE CTLR ASKED IF WE COULD BE AT FL370 IN 8 NM. WE REPLIED 'NO.' SHE THEN ASKED HOW LONG IT WOULD TAKE TO REACH FL370. WE REPLIED 2-3 MINS. OUR VERT SPD AT THE TIME WAS APPROX 300-500 FPM. WE WERE THEN GIVEN A 75 DEG TURN TO THE R. THE TURN DECREASED THE VERT SPD TO 100-150 FPM. THERE WERE 2 OTHER ACFT IN THE AREA. WE PASSED WITHIN 1700 FT VERTLY OF ONE OF THEM. WE WERE THEN CLRED TO TURN L TO THE NORRA INTXN. A SHALLOW TURN WAS USED IN ORDER TO MAINTAIN A MINIMUM CLB RATE. WE WERE ADVISED TO CALL ZLA FOR A POSSIBLE PLTDEV. THIS INCIDENT OCCURRED BECAUSE THE CTLR GOT BEHIND AND WAS NOT AWARE OF THE PERFORMANCE CAPABILITIES OF THE L1011.
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.