<< >> NASA ASRS Report 1320214, December 2015

PA28 pilot reports being cleared to descend to 3000 feet by pdx approach (P80) and reading it back without correction. Passing 3600 feet ATC advised that the clearance was to 5000 feet and to climb back to 4000 feet.

Attributes
ACN	1320214
Time
Date	201512
Local Time Of Day	1201-1800
Place
Locale Reference	PDX.Airport
State Reference	OR
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	PA-28 Cherokee/Archer/Dakota/Pillan/Warrior
Operating Under FAR Part	Part 91
Flight Phase	Descent
Route In Use	Vectors
Flight Plan	IFR
Person 1
Function	Pilot Flying Single Pilot
Qualification	Flight Crew Instrument Flight Crew Private
Experience	Flight Crew Last 90 Days 12 Flight Crew Total 285 Flight Crew Type 285
Events
Anomaly	ATC Issue All Types Deviation - Altitude Overshoot Deviation - Procedural Clearance

Narrative:

Given clearance to descend and maintain what we understood as 3000. We read back 3000 and were not corrected. Upon descent through 3600 ATC advised us that we had descended below their assigned altitude of 5000. At the time of the correction; we climbed to 4000 and continued the approach.

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Original NASA ASRS Text

Title: PA28 pilot reports being cleared to descend to 3000 feet by PDX Approach (P80) and reading it back without correction. Passing 3600 feet ATC advised that the clearance was to 5000 feet and to climb back to 4000 feet.

Narrative: Given clearance to descend and maintain what we understood as 3000. We read back 3000 and were not corrected. Upon descent through 3600 ATC advised us that we had descended below their assigned altitude of 5000. At the time of the correction; we climbed to 4000 and continued the approach.

Data retrieved from NASA's ASRS site 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.