37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Attributes | |
ACN | 998925 |
Time | |
Date | 201203 |
Local Time Of Day | 0601-1200 |
Place | |
Locale Reference | LAS.Airport |
State Reference | NV |
Environment | |
Flight Conditions | VMC |
Light | Daylight |
Aircraft 1 | |
Make Model Name | Light Transport Low Wing 2 Turbojet Eng |
Operating Under FAR Part | Part 91 |
Flight Phase | Initial Climb |
Route In Use | SID SHEAD 7 |
Flight Plan | IFR |
Person 1 | |
Function | Captain |
Qualification | Flight Crew Multiengine Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) |
Experience | Flight Crew Last 90 Days 30 Flight Crew Total 10000 Flight Crew Type 10 |
Events | |
Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Crossing Restriction Not Met Deviation - Procedural Clearance |
Narrative:
The shead 7 departure requires five altitude restrictions on successive waypoints right after departure. The first is at 7;000 MSL; and the second is at 9;000 MSL. I misread the waypoint name and commenced the climb from the 7;000 ft initial level off to the next altitude (9;000) one waypoint early. The controller noticed it and asked when I was at about 7;700 ft; before clearing me unrestricted to FL190. My mistake; but a SID design that requires aircraft without VNAV to rapidly scan back and forth from closely spaced waypoints during the busy initial climb; fly the airplane and communicate with two ATC sectors; is flawed. In retrospect; I should have requested the mccarran 3; which has a more conventional pilot workload.
Original NASA ASRS Text
Title: A pilot who departed on the LAS SHEAD 7 RNAV without an FMS became very busy so that he transposed waypoints and began a climb to 9;000 FT before passing POPPR.
Narrative: The SHEAD 7 Departure requires five altitude restrictions on successive waypoints right after departure. The first is at 7;000 MSL; and the second is at 9;000 MSL. I misread the waypoint name and commenced the climb from the 7;000 FT initial level off to the next altitude (9;000) one waypoint early. The Controller noticed it and asked when I was at about 7;700 FT; before clearing me unrestricted to FL190. My mistake; but a SID design that requires aircraft without VNAV to rapidly scan back and forth from closely spaced waypoints during the busy initial climb; fly the airplane and communicate with two ATC sectors; is flawed. In retrospect; I should have requested the McCarran 3; which has a more conventional pilot workload.
Data retrieved from NASA's ASRS site as of July 2013 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.