Air carrier flight crew intercepts the wrong course after jammn while performing the jammn 1 STAR at...

Attributes
ACN	329507
Time
Date	199602
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : dta airport : slc
State Reference	UT
Altitude	msl bound lower : 14000 msl bound upper : 14000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zlc tower : pit
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Route In Use	arrival other arrival star : star
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 180 flight time total : 13000 flight time type : 5000
ASRS Report	329507
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	other anomaly other other spatial deviation
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 other

Narrative:

I was the first officer on an air carrier flight on feb/mon/96 from den to slc, the filed routing was via mtu and the spane 1 arrival. After passing mtu we were turned south on a delaying vector. The captain and I were discussing the altitude restrs and noted that spane had an altitude restr while the remaining points had 'expect' altitudes. We further noted a box in the center of the page that has in quotation marks, 'descend via spane 1 arrival.' at this point we were turned on to a westerly vector with a descent clearance and told to expect the jammn 1 arrival. As I made the turn to the new heading and started a descent the captain loaded jammn and chhip in the ONS. We were then cleared direct to jammn and the jammn 1 arrival. I turned direct to jammn and coupled the autoplt to the ONS. Once again we received a vector towards the west and shortly thereafter another clearance direct to jammn and 'via' the arrival. After the turn direct we were on the dta 358 degree radial so I discontinued use of the ONS to navigation. Once again the captain and I were discussing the 'descend via' statement on the STAR because our clearance was 'via' the jammn 1. Shortly after passing jammn we were discussing the next altitude and noticed all the points on our planned course were for landing south. I then realized the STAR split at jammn for a north landing (slc was landing north). I immediately turned to intercept the proper course to parre and ffu. While we were in the turn ATC cleared us direct to ffu. I am sure the controller saw we had missed the turn at jammn. I believe the jammn 1 arrival page is too crowded, and the split in track for the south and north landing should be more prominently depicted, as on the cartr 1 arrival, it has a highlighted box and arrows pointing directly at the new course required at the split. The lack of a narrative description also contributed.

Original NASA ASRS Text

Title: ACR FLC INTERCEPTS THE WRONG COURSE AFTER JAMMN WHILE PERFORMING THE JAMMN 1 STAR AT SLC. THE RPTR FINDS THE NEW JAMMN 1 APCH CHART CLUTTERED AND CONFUSING. THE FLC AND THE ARTCC RADAR CTLR CORRECTED THE ERROR AT THE SAME TIME.

Narrative: I WAS THE FO ON AN ACR FLT ON FEB/MON/96 FROM DEN TO SLC, THE FILED ROUTING WAS VIA MTU AND THE SPANE 1 ARR. AFTER PASSING MTU WE WERE TURNED S ON A DELAYING VECTOR. THE CAPT AND I WERE DISCUSSING THE ALT RESTRS AND NOTED THAT SPANE HAD AN ALT RESTR WHILE THE REMAINING POINTS HAD 'EXPECT' ALTS. WE FURTHER NOTED A BOX IN THE CTR OF THE PAGE THAT HAS IN QUOTATION MARKS, 'DSND VIA SPANE 1 ARR.' AT THIS POINT WE WERE TURNED ON TO A WESTERLY VECTOR WITH A DSCNT CLRNC AND TOLD TO EXPECT THE JAMMN 1 ARR. AS I MADE THE TURN TO THE NEW HEADING AND STARTED A DSCNT THE CAPT LOADED JAMMN AND CHHIP IN THE ONS. WE WERE THEN CLRED DIRECT TO JAMMN AND THE JAMMN 1 ARR. I TURNED DIRECT TO JAMMN AND COUPLED THE AUTOPLT TO THE ONS. ONCE AGAIN WE RECEIVED A VECTOR TOWARDS THE W AND SHORTLY THEREAFTER ANOTHER CLRNC DIRECT TO JAMMN AND 'VIA' THE ARR. AFTER THE TURN DIRECT WE WERE ON THE DTA 358 DEG RADIAL SO I DISCONTINUED USE OF THE ONS TO NAV. ONCE AGAIN THE CAPT AND I WERE DISCUSSING THE 'DSND VIA' STATEMENT ON THE STAR BECAUSE OUR CLRNC WAS 'VIA' THE JAMMN 1. SHORTLY AFTER PASSING JAMMN WE WERE DISCUSSING THE NEXT ALT AND NOTICED ALL THE POINTS ON OUR PLANNED COURSE WERE FOR LNDG S. I THEN REALIZED THE STAR SPLIT AT JAMMN FOR A N LNDG (SLC WAS LNDG N). I IMMEDIATELY TURNED TO INTERCEPT THE PROPER COURSE TO PARRE AND FFU. WHILE WE WERE IN THE TURN ATC CLRED US DIRECT TO FFU. I AM SURE THE CTLR SAW WE HAD MISSED THE TURN AT JAMMN. I BELIEVE THE JAMMN 1 ARR PAGE IS TOO CROWDED, AND THE SPLIT IN TRACK FOR THE S AND N LNDG SHOULD BE MORE PROMINENTLY DEPICTED, AS ON THE CARTR 1 ARR, IT HAS A HIGHLIGHTED BOX AND ARROWS POINTING DIRECTLY AT THE NEW COURSE REQUIRED AT THE SPLIT. THE LACK OF A NARRATIVE DESCRIPTION ALSO CONTRIBUTED.

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.

Air carrier flight crew intercepts the wrong course after jammn while performing the jammn 1 STAR at slc. The reporter finds the new jammn 1 approach chart cluttered and confusing. The flight crew and the ARTCC radar controller corrected the error at the same time.