GA small aircraft changed altimeters, then operated IFR without doing a pitot static check.

Attributes
ACN	86099
Time
Date	198804
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : cdw
State Reference	NJ
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 2 Eng, Retractable Gear
Flight Phase	climbout : takeoff climbout : intermediate altitude cruise other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : instrument pilot : cfi pilot : commercial
Experience	flight time last 90 days : 100 flight time total : 2600 flight time type : 180
ASRS Report	86099
Person 2
Affiliation	Other
Function	instruction : trainee
Qualification	pilot : commercial pilot : instrument
Experience	flight time last 90 days : 50 flight time total : 800 flight time type : 160
ASRS Report	86098
Events
Anomaly	non adherence : far
Independent Detector	other other : unspecified
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

Aircraft altimeter removed for repairs. Loaner installed temporarily. Aircraft flown IFR. Did not realize an additional pitot-static check was required for IFR flight with the temporarily installed altimeter.

Original NASA ASRS Text

Title: GA SMA CHANGED ALTIMETERS, THEN OPERATED IFR WITHOUT DOING A PITOT STATIC CHECK.

Narrative: ACFT ALTIMETER REMOVED FOR REPAIRS. LOANER INSTALLED TEMPORARILY. ACFT FLOWN IFR. DID NOT REALIZE AN ADDITIONAL PITOT-STATIC CHK WAS REQUIRED FOR IFR FLT WITH THE TEMPORARILY INSTALLED ALTIMETER.

Data retrieved from NASA's ASRS site as of August 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.