<< >> NASA ASRS Report 491120, November 2000

A low time C172 pilot, on a photo shoot, experienced an RPM drop, due to carburetor ice, in the vicinity of lga.

Attributes
ACN	491120
Time
Date	200011
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : lga.airport
State Reference	NY
Altitude	msl bound lower : 6000 msl bound upper : 7300
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90.tracon
Operator	common carrier : charter
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	cruise : level descent : approach
Route In Use	approach : visual arrival : vfr
Flight Plan	None
Person 1
Affiliation	company : charter
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : commercial
Experience	flight time last 90 days : 60 flight time total : 900 flight time type : 600
ASRS Report	491120
Person 2
Function	controller : approach
Qualification	controller : radar
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance flight crew : regained aircraft control flight crew : landed as precaution
Consequence	other
Supplementary
Problem Areas	Weather Aircraft
Primary Problem	Aircraft

Narrative:

During photo shoot at 7300 ft, engine surged and RPM dropped to 1440 RPM. I advised ny approach and they cleared me direct to lga. I did not declare an emergency, as I suspected carburetor ice. I applied carburetor heat and engine returned to normal power at approximately 6000 ft. I continued to lga and landed. A mechanic examined my fuel for water and told me it was ok. After 20 mins, I obtained clearance to depart, did a full run-up and determined aircraft to be airworthy. I departed and returned to caldwell uneventfully. I did not believe there was any problem with the aircraft except carburetor ice.

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Original NASA ASRS Text

Title: A LOW TIME C172 PLT, ON A PHOTO SHOOT, EXPERIENCED AN RPM DROP, DUE TO CARB ICE, IN THE VICINITY OF LGA.

Narrative: DURING PHOTO SHOOT AT 7300 FT, ENG SURGED AND RPM DROPPED TO 1440 RPM. I ADVISED NY APCH AND THEY CLRED ME DIRECT TO LGA. I DID NOT DECLARE AN EMER, AS I SUSPECTED CARB ICE. I APPLIED CARB HEAT AND ENG RETURNED TO NORMAL PWR AT APPROX 6000 FT. I CONTINUED TO LGA AND LANDED. A MECH EXAMINED MY FUEL FOR WATER AND TOLD ME IT WAS OK. AFTER 20 MINS, I OBTAINED CLRNC TO DEPART, DID A FULL RUN-UP AND DETERMINED ACFT TO BE AIRWORTHY. I DEPARTED AND RETURNED TO CALDWELL UNEVENTFULLY. I DID NOT BELIEVE THERE WAS ANY PROB WITH THE ACFT EXCEPT CARB ICE.

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.