<< >> NASA ASRS Report 519909, July 2001

A DC10 crew on approach to rome received a clearance to descend to 3000 ft with a readback. Rome approach denied issuing the clearance.

Attributes
ACN	519909
Time
Date	200107
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : lira.airport
State Reference	FO
Altitude	msl bound lower : 3700 msl bound upper : 6000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	DC-10 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer only : 16r
Flight Phase	descent : approach
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp pilot : cfi
Experience	flight time last 90 days : 210 flight time total : 22000 flight time type : 700
ASRS Report	519909
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	non adherence : published procedure other anomaly other other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Twice on radar vectors into rome, approach gave us a descent to 3000 ft with the qnh and a radar heading. We were on the 070 degree radial of tarquinia VOR at 6000 ft on first contact with rome approach. All headings, altitudes, and qnh's were read back as given. We had 4 people in the cockpit all on headsets. Everyone understood and heard the instructions to descend to 3000 ft. Rome approach said they never gave us a descend to 3000 ft. Rome approach always called us 'XXX-YYY-ab.' and I answered always 'xy-ab.' approach appeared to be operating 2 frequencys at the same time. After discovering we were descending to 3000 ft, rome approach instructed us to climb immediately to 6000 ft then changed it to 5000 ft. Rome approach gave us a couple of radar vectors to the runway 16R localizer and contacted the tower.

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Original NASA ASRS Text

Title: A DC10 CREW ON APCH TO ROME RECEIVED A CLRNC TO DSND TO 3000 FT WITH A READBACK. ROME APCH DENIED ISSUING THE CLRNC.

Narrative: TWICE ON RADAR VECTORS INTO ROME, APCH GAVE US A DSCNT TO 3000 FT WITH THE QNH AND A RADAR HDG. WE WERE ON THE 070 DEG RADIAL OF TARQUINIA VOR AT 6000 FT ON FIRST CONTACT WITH ROME APCH. ALL HDGS, ALTS, AND QNH'S WERE READ BACK AS GIVEN. WE HAD 4 PEOPLE IN THE COCKPIT ALL ON HEADSETS. EVERYONE UNDERSTOOD AND HEARD THE INSTRUCTIONS TO DSND TO 3000 FT. ROME APCH SAID THEY NEVER GAVE US A DSND TO 3000 FT. ROME APCH ALWAYS CALLED US 'XXX-YYY-AB.' AND I ANSWERED ALWAYS 'XY-AB.' APCH APPEARED TO BE OPERATING 2 FREQS AT THE SAME TIME. AFTER DISCOVERING WE WERE DSNDING TO 3000 FT, ROME APCH INSTRUCTED US TO CLB IMMEDIATELY TO 6000 FT THEN CHANGED IT TO 5000 FT. ROME APCH GAVE US A COUPLE OF RADAR VECTORS TO THE RWY 16R LOC AND CONTACTED THE TWR.

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.