# N5771C: 1980 S N I A S AS-350B ECUREUIL, registration cancelled 2004-10-22 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: October 22, 2004 - Exported to: Canada - Status when cancelled: Valid registration - Airframe: [S N I A S AS-350B ECUREUIL](https://openairdocs.org/model/s-n-i-a-s-as-350b-ecureuil) (registry code 8680801) - Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) - Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU) (OpenAirDocs) - Serial number: 1369 - Year built: 1980 - Type of aircraft: Rotorcraft - Airworthiness: Standard, normal - Airworthiness date: April 6, 1981 - Certificate issued: December 11, 2001 - Last registry action: February 19, 2002 - Mode S code: A76AE8 - Owner when cancelled: [Rocky Mountain Holdings LLC](https://openairdocs.org/faa-owner/ROCKY%20MOUNTAIN%20HOLDINGS%20LLC) - Location: [Provo, UT](https://openairdocs.org/faa-place/UT/Provo) - Owner type: Corporation - Owner's area on the map: 40.2272° N, 111.6958° W: Placed by OpenAirDocs at the center of ZIP code 84601, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N5771C - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5771C - Page: https://openairdocs.org/deregistered/N5771C-2004-10-22 From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe. ADs and bulletins for the S N I A S AS-350B ECUREUIL: https://openairdocs.org/model/s-n-i-a-s-as-350b-ecureuil.md ## Service difficulty reports (17) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR R7MR35526](https://openairdocs.org/sdr/R7MR35526), Jul 5, 2002: TACHOMETER. INOPERATIVE. TACHOMETER INDICATOR INOPERATIVE. NR READS LOW 370 IN-FLIGHT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR35515](https://openairdocs.org/sdr/R7MR35515), Jul 1, 2002: TACHOMETER. INOPERATIVE. TACHOMETER INDICATOR INOPERATIVE. READS 360-370 RPM GROUND. READS 380-390 RMP IN-FLIGHT. ADJUSTED INDICATOR TWICE WITHOUT SUCCESS. REPLACED WITH NEW UNIT, CORRE - [SDR R7MR136935223](https://openairdocs.org/sdr/R7MR136935223), Jun 10, 2002: FLANGE. WORN. REDUCTION GEAR, LEAKING OIL AT MO4 CONNECTION GROOVE. WORN FLANGE. BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS, CORRECTED PROBLEM. - [SDR R7MR34388](https://openairdocs.org/sdr/R7MR34388), Aug 17, 2001: LINER. WORN. TEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REMPLACED WITH NEW UNIT, CORRECTED PROBLEM.(K) - [SDR R7MR32672](https://openairdocs.org/sdr/R7MR32672), Dec 1, 2000: BEARING. WORN. ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS FROM 1 EACH KIT PART NUMBER 355A09-1036-01 CORRECTED PROBLEM. 4 HALF SHELLS EQUALS 1 KIT. - [SDR R7MR32665](https://openairdocs.org/sdr/R7MR32665), Dec 1, 2000: HINGE. WORN. ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS FROM 1 EACH KIT PART NUMBER 355A332153-00, CORRECTED PROBLEM. 2 TEETERING BEARINGS EQUALS 1 - [SDR 20001215SH027](https://openairdocs.org/sdr/20001215SH027), Oct 9, 2000: TRANSMITTER. INOPERATIVE. MAGNETIC AZIMUTH TRANSMITTER UNIT INOPERATIVE. 10 TO 15 DEGREE DEVIATION FROM EAST TO WEST. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X) - [SDR 20000605SH015](https://openairdocs.org/sdr/20000605SH015), Mar 26, 2000: LAMINATED HINGE. WORN. LAMINATED HINGE, ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X) - [SDR 2000ZZZX429](https://openairdocs.org/sdr/2000ZZZX429), Oct 30, 1999: BEARING. WORN. ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT FROM KIT 355A09-1036-01, CORRECTED PROBLEM. - [SDR 99ZZZX1336](https://openairdocs.org/sdr/99ZZZX1336), Aug 27, 1998: HINGE. WORN. ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED UNIT. - [SDR 98ZZZX3532](https://openairdocs.org/sdr/98ZZZX3532), Mar 24, 1998: ANTENNA. FAILED. GPS SHUTS DOWN WHILE IN USE. ANTENNA INTERNAL RESISTANCE 42 OHMS. NO CRA. - [SDR 96ZZZX4042](https://openairdocs.org/sdr/96ZZZX4042), Jul 1, 1996: COVER. FAILED. UPON DAILY INSPECTION, A METAL PIECE WAS FOUND ON THE ENGINE DECK THAT APPEARED TO BE PART OF THE ENGINE. VISUAL INSPECTION DETERMINED THE OBJECT DID NOT COME F - [SDR 95ZZZX6581](https://openairdocs.org/sdr/95ZZZX6581), Oct 3, 1995: TACHOMETER BOX. FAILED. BLEED VALVE WOULD NOT STAY CLOSED ON ENGINE. BLEED VALVE IS CONTROLLED BY AN ELECTRO-PNEUMATIC SIGNAL. TACHOMETER BOX CONTROLS THE ELECTRICAL SIGNAL AND, IN THI - [SDR 95ZZZX6580](https://openairdocs.org/sdr/95ZZZX6580), Oct 3, 1995: TACHOMETER BOX. FAILED. BLEED VALVE WOULD NOT CLOSE DUE TO FAILURE OF TACHOMETER BOX. THIS AIRCRAFT AND OTHERS HAVE EXPERIENCED AN INCREASE IN TACHOMETER BOX FAILURES RECENTLY. ACFT TT - [SDR 95ZZZX5566](https://openairdocs.org/sdr/95ZZZX5566), Aug 18, 1995: BALL JOINT. WORN. STARFLEX BALL JOINT TEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 3 EACH NEW UNIT(S) CORRECTED PROBLEM. - [SDR 95ZZZX5565](https://openairdocs.org/sdr/95ZZZX5565), May 26, 1995: HINGE. WORN. LAMINATED HINGE ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS FROM KIT 350A33-2153-00, CORRECTED PROBLEM. - [SDR 95ZZZY0972](https://openairdocs.org/sdr/95ZZZY0972), May 10, 1995: BALL END. WORN. TEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM. ## Other aircraft with N5771C - [Cancelled 1965-05-20](https://openairdocs.org/deregistered/N5771C-1965-05-20): Cessna 170A, S/N 19725. Owner: [Ferguson Merle L](https://openairdocs.org/faa-owner/FERGUSON%20MERLE%20L), [Kansas City, MO](https://openairdocs.org/faa-place/MO/Kansas%20City) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.