PA28 instructor pilot reported a near miss with a drone while on approach to dwh.

Attributes
ACN	1424281
Time
Date	201702
Place
Locale Reference	DWH.Airport
State Reference	TX
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	Initial Approach
Route In Use	Other RNAV (GPS) RWY 17R
Flight Plan	IFR
Aircraft 2
Make Model Name	UAV - Unpiloted Aerial Vehicle
Flight Phase	Cruise
Person 1
Function	Instructor
Qualification	Flight Crew Commercial Flight Crew Multiengine Flight Crew Instrument Flight Crew Flight Instructor
Experience	Flight Crew Last 90 Days 130 Flight Crew Total 700
Events
Anomaly	Conflict Airborne Conflict
Miss Distance	Horizontal 15 Vertical 0

Narrative:

Almost hit a drone while executing an RNAV approach into dwh.

Original NASA ASRS Text

Title: PA28 instructor pilot reported a near miss with a drone while on approach to DWH.

Narrative: Almost hit a drone while executing an RNAV approach into DWH.

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.