E120 crew executed a GPWS emergency escape maneuver with climb until the GPWS terrain warning stopped. Aircraft was at the minimum vectoring altitude at the time of occurrence, in roa class D.

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Attributes
ACN	580181
Time
Date	200304
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : roa.airport
State Reference	VA
Altitude	msl single value : 5000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : roa.tracon tower : hpn.tower
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 121
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 : atp
Experience	flight time last 90 days : 200 flight time total : 3400 flight time type : 3000
ASRS Report	580181
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : multi engine
Experience	flight time last 90 days : 150 flight time total : 1250 flight time type : 325
ASRS Report	580245
Events
Anomaly	inflight encounter : weather inflight encounter other other anomaly other
Independent Detector	aircraft equipment : gpws other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance flight crew : took evasive action
Supplementary
Problem Areas	Aircraft FAA
Primary Problem	FAA

Narrative:

While diverting into roa at 5000 ft MSL on vectors with roa approach, we received a GPWS warning of 'terrain, terrain' and 'pull up, pull up.' we immediately climbed to 5700 ft MSL (MSA on lda 6 approach). We notified the approach controller, who told us to descend to 5000 ft MSL when we were comfortable. Supplemental information from acn 580245: I was asked what altitude we desired, and I requested the MVA or higher. We were instructed to maintain 5000 ft. Shortly after our handoff to roa approach, we received a terrain warning from our aircraft's GPWS. I also called out the warning to the captain, and we took immediate evasive action. The captain climbed the aircraft to 5700 ft (MSA for roa), and I notified approach control of our deviation from assigned altitude. To our concern, the controller seemed unconcerned and requested that we return to 5000 ft when able. The GPWS warning extinguished so we returned to 5000 ft. We continued our approach into roa without incident.

Original NASA ASRS Text

Title: E120 CREW EXECUTED A GPWS EMER ESCAPE MANEUVER WITH CLB UNTIL THE GPWS TERRAIN WARNING STOPPED. ACFT WAS AT THE MINIMUM VECTORING ALT AT THE TIME OF OCCURRENCE, IN ROA CLASS D.

Narrative: WHILE DIVERTING INTO ROA AT 5000 FT MSL ON VECTORS WITH ROA APCH, WE RECEIVED A GPWS WARNING OF 'TERRAIN, TERRAIN' AND 'PULL UP, PULL UP.' WE IMMEDIATELY CLBED TO 5700 FT MSL (MSA ON LDA 6 APCH). WE NOTIFIED THE APCH CTLR, WHO TOLD US TO DSND TO 5000 FT MSL WHEN WE WERE COMFORTABLE. SUPPLEMENTAL INFO FROM ACN 580245: I WAS ASKED WHAT ALT WE DESIRED, AND I REQUESTED THE MVA OR HIGHER. WE WERE INSTRUCTED TO MAINTAIN 5000 FT. SHORTLY AFTER OUR HDOF TO ROA APCH, WE RECEIVED A TERRAIN WARNING FROM OUR ACFT'S GPWS. I ALSO CALLED OUT THE WARNING TO THE CAPT, AND WE TOOK IMMEDIATE EVASIVE ACTION. THE CAPT CLBED THE ACFT TO 5700 FT (MSA FOR ROA), AND I NOTIFIED APCH CTL OF OUR DEV FROM ASSIGNED ALT. TO OUR CONCERN, THE CTLR SEEMED UNCONCERNED AND REQUESTED THAT WE RETURN TO 5000 FT WHEN ABLE. THE GPWS WARNING EXTINGUISHED SO WE RETURNED TO 5000 FT. WE CONTINUED OUR APCH INTO ROA WITHOUT INCIDENT.

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.