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Flight crew of large transport in descent north of ott VOR was given right turn to avoid a restricted area.
| Attributes | |
| ACN | 119887 |
| Time | |
| Date | 198908 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : ott |
| State Reference | MD |
| Altitude | msl bound lower : 30000 msl bound upper : 30000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc tower : rno |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | descent other |
| Route In Use | arrival other arrival star : star |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 15 flight time total : 13300 |
| ASRS Report | 119887 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : clearance other anomaly other other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While descending on nanci two arrival (just passing ott VOR), cabin pressure control was lost. While aiding my new hire second officer in trying to find the cause of problem, ATC informed us we were drifting towards a restr area. He instructed us to make a hard right turn. We complied. While the primary cause of the course deviation was our pressurization problem I would like to suggest that restr areas be depicted on arrival routes (nanci two in particular) as a further reminder of their existence. The high altitude (jet level) chart of the northeast USA is very congested with airways and the depiction of the aforementioned restr area (R4001 a-b) is very difficult to discern.
Original NASA ASRS Text
Title: FLT CREW OF LGT IN DESCENT NORTH OF OTT VOR WAS GIVEN RIGHT TURN TO AVOID A RESTRICTED AREA.
Narrative: WHILE DESCENDING ON NANCI TWO ARRIVAL (JUST PASSING OTT VOR), CABIN PRESSURE CONTROL WAS LOST. WHILE AIDING MY NEW HIRE S/O IN TRYING TO FIND THE CAUSE OF PROBLEM, ATC INFORMED US WE WERE DRIFTING TOWARDS A RESTR AREA. HE INSTRUCTED US TO MAKE A HARD RIGHT TURN. WE COMPLIED. WHILE THE PRIMARY CAUSE OF THE COURSE DEVIATION WAS OUR PRESSURIZATION PROBLEM I WOULD LIKE TO SUGGEST THAT RESTR AREAS BE DEPICTED ON ARRIVAL ROUTES (NANCI TWO IN PARTICULAR) AS A FURTHER REMINDER OF THEIR EXISTENCE. THE HIGH ALT (JET LEVEL) CHART OF THE NE USA IS VERY CONGESTED WITH AIRWAYS AND THE DEPICTION OF THE AFOREMENTIONED RESTR AREA (R4001 A-B) IS VERY DIFFICULT TO DISCERN.
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.