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Altitude deviation altitude overshot - flight crew overshoot their leveloff altitude when the captain uses non standard terminology attempting to get the first officer to engage altitude hold.
| Attributes | |
| ACN | 301900 |
| Time | |
| Date | 199504 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : drk |
| State Reference | AZ |
| Altitude | msl bound lower : 35000 msl bound upper : 35300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zab |
| Operator | common carrier : air taxi |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 135 |
| Flight Phase | climbout : intermediate altitude cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 90 flight time total : 8000 flight time type : 500 |
| ASRS Report | 301900 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 90 flight time total : 6200 flight time type : 560 |
| ASRS Report | 301799 |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
As I reached 3500 ft I commanded copilot to select altitude hold mode on autoplt. When he did not respond I told him to 'hit the altitude button' again. He then replied 'what altitude.' I then decided to disengage the autoplt and manually level the plane. By this time we were at 35300 ft and the controller called and said to maintain FL350 we descended quickly to FL350. 2 actions may have prevented this deviation. Making my request more clear to copilot and initiating level off myself immediately after his first failure to respond.
Original NASA ASRS Text
Title: ALTDEV ALT OVERSHOT - FLC OVERSHOOT THEIR LEVELOFF ALT WHEN THE CAPT USES NON STANDARD TERMINOLOGY ATTEMPTING TO GET THE FO TO ENGAGE ALT HOLD.
Narrative: AS I REACHED 3500 FT I COMMANDED COPLT TO SELECT ALT HOLD MODE ON AUTOPLT. WHEN HE DID NOT RESPOND I TOLD HIM TO 'HIT THE ALT BUTTON' AGAIN. HE THEN REPLIED 'WHAT ALT.' I THEN DECIDED TO DISENGAGE THE AUTOPLT AND MANUALLY LEVEL THE PLANE. BY THIS TIME WE WERE AT 35300 FT AND THE CTLR CALLED AND SAID TO MAINTAIN FL350 WE DSNDED QUICKLY TO FL350. 2 ACTIONS MAY HAVE PREVENTED THIS DEV. MAKING MY REQUEST MORE CLR TO COPLT AND INITIATING LEVEL OFF MYSELF IMMEDIATELY AFTER HIS FIRST FAILURE TO RESPOND.
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.