N491SA

ROBINSON HELICOPTER COMPANY R44 II · 2009 · Valid Registration

Registered owner: SHIER AVIATION CORP DBA, CA (owner ≠ operator)

Operators of this aircraft

Who operated this tail, and how firmly we know it.

OperatorRolePeriodBasis
SHIER AVIATION CORP (IVSA)Certificate holderMatched by certificate designator

Accident & incident history

No NTSB accidents or incidents on file for this aircraft.

Maintenance disclosures

K B · 2014-07-14 Matched by certificate designator
ATA 8530

BAFFLING THAT SEPARATES THE OIL COOLER AND THE NR 2 CYLINDER, CRACKED AND SEPARATED. IT CAME TO REST ON THE STARTER POSITIVE TERMINAL AND NR 2 CYLINDER ROCKER BOX OIL RETURN LINE, PN 72703. WHEN THE STARTER WAS ENGAGED THE ELECTRICAL CURRENT ARCED THROUGH THE SHEET METAL BAFFLE TO THE OIL RETURN LINE SEVERING THE ALUMINUM TUBING. LOSS OF ENGINE OIL PRESSURE OCCURRED DURING START ACCOMPANIED BY SMOKE. OIL SPILLED TO THE GROUND BELOW THE ACFT.

Source: SDR FAA2014071400132 · FAA SDRS
L · 1998-08-05 Matched by certificate designator
ATA 3350

THE FIRST CLASS AND FWD SECTION OF COACH HAD EGRESS LIGHTING INOPERATIVE. FOUND POWER FEEDER LEAD LOOSE. RESECURED CONNECTOR. CHECK-C 3-12-98 STL.

Source: SDR TWAA9812701 · FAA SDRS
O · 1998-06-23 Matched by certificate designator
ATA 5311

STL - ON LT Z14 RADIAL OTBD LOWER HOLE ON THE FORWARD SIDE, A .25 INCH CRACK WAS INDICATED BY EDDY CURRENT IN THE ATTACH ANGLE. REPAIRED PER ARA 15188. CHECK-C 3-12-98 STL. ACFT TT: 66,639 HOURS. ACFT TC: 80,202. (X)

Source: SDR TWAA9810310 · FAA SDRS
O · 1998-06-21 Matched by certificate designator
ATA 5311

STL - THE RT Z34 RADIAL OUTBOARD LOWER HOLE ON FORWARD SIDE SHOWED CRACK INDICATION BY EDDY CURRENT. REPAIRED PER ARA 15188. CHECK-C 3-12-98 STL. ACFT TT: 66,639 HOURS. ACFT TC: 80,202. (X)

Source: SDR TWAA9810306 · FAA SDRS
O · 1998-06-21 Matched by certificate designator
ATA 5320

STL - FOUND UPPER END FITTING ON AFT PRESSURE BULKHEAD RT Z34 RADIAL CRACKED .1250 INCH AT TEE FITTING. REPAIRED PER ARA 15188. CHECK-C 3-12-98 STL. ACFT TT: 66,639 HOURS. ACFT TC: 80,202. (X)

Source: SDR TWAA9810308 · FAA SDRS
O · 1998-06-21 Matched by certificate designator
ATA 5311

STL - FOUND LT Z14 RADIAL OTBD UPPER HOLE ON THE FORWARD SIDE WITH .3750 INCH CRACK INDICATION BY EDDY CURRENT. REMOVED AND REPLACED END CLIP PER SRM 51-30-5, AND ARA 15188. CHECK-C 3-12-98 STL. ACFT TT: 66,639 HOURS. ACFT TC: 80,202. (X)

Source: SDR TWAA9810309 · FAA SDRS
O · 1998-06-21 Matched by certificate designator
ATA 5311

STL - THE RT Z34 RADIAL WAS CRACKED ON END ABOUT 1 INCH. REPAIRED PER ARA 15188. CHECK-C 3-12-98 STL. ACFT TT: 66,639 HOURS. ACFT TC: 80,202. (X)

Source: SDR TWAA9810307 · FAA SDRS
O · 1998-06-20 Matched by certificate designator
ATA 5312

STL - THE UPPER END FITTING ON AFT PRESSURE BULKHEAD LT Z24 RIB WAS CRACKED AT TEE FITTING. REMOVED AND REPLACED END FITTING PER ARA 15188. CHECK-C 3-12-98 STL. (X)

Source: SDR TWAA9810315 · FAA SDRS
O · 1998-06-20 Matched by certificate designator
ATA 5312

STL - FOUND BULKHEAD SKIN CRACKED .25 INCH AT LT BULKHEAD AT Z24L, ON OTBD TOP SIDE, SECOND HOLE FORM END. REPAIRED SKIN PER ARA 15189. CHECK-C 3-12-98 STL. ACFT TT: 66,639 HOURS. ACFT TC: 80,202. (X)

Source: SDR TWAA9810312 · FAA SDRS
O · 1998-06-20 Matched by certificate designator
ATA 5311

STL - THE LT Z24 RADIAL, UPPER INBD HOLE ON THE FORWARD SIDE SHOWED CRACK INDICATION BY EDDY CURRENT. REMOVED AND REPLACED FITTING PER ARA 15188. CHECK-C 3-12-98 STL. ACFT TT: 66,639 HOURS. ACFT TC: 80,202. (X)

Source: SDR TWAA9810305 · FAA SDRS
O · 1998-06-19 Matched by certificate designator
ATA 5311

STL - ON THE LT Z34 RADIAL UPPER OTBD HOLE ON THE FORWARD SIDE, A CRACK INDICATION WAS SHOWN BY EDDY CURRENT. REPAIRED PER TWA ARA 15188. CHECK-C 3-12-98 STL. ACFT TT: 66,639 HOURS. ACFT TC: 80,202. (X)

Source: SDR TWAA9810311 · FAA SDRS
O · 1998-06-18 Matched by certificate designator
ATA 5311

STL - THE Z48 RADIAL FORMER RT SIDE WAS FOUND CRACKED 1 INCH LONG ON OTBD END. REPAIRED FORMER PER ARA 15188. CHECK-C 3-12-98 STL. ACFT TT: 66,639 HOURS. ACFT TC: 80,202. (X)

Source: SDR TWAA9810313 · FAA SDRS
O · 1998-06-18 Matched by certificate designator
ATA 5312

STL - THE LOWER END FITTING ON AFT PRESSURE BULKHEAD LT Z34 RIB HAD A .3750 INCH CRACK AT TEE FITTING. REPAIRED PER TWA ARA 15188. CHECK-C 3-12-98 STL. (X)

Source: SDR TWAA9810314 · FAA SDRS
L · 1998-05-29 Matched by certificate designator
ATA 3350

STL - FLT 404 - EMERGENCY EXIT SIGNS AT R1 AND L1 DOORS CAME ON IN FLIGHT. WOULD NOT RESET UNTIL SHORT FINAL. REPLACED FWD EMERGENCY EXIT SIGN BATTERY PACK. (M)

Source: SDR TWAA9808603 · FAA SDRS
N · 1997-12-01 Matched by certificate designator
ATA 2612

MCI - FLT 588 - DURING FLIGHT, RIGHT ENGINE FIRE WARNING LIGHT FLICKERED. REPLACED THE LOWER FIRE DETECTOR LOOP ASSY. (M)

Source: SDR TWAA9714102 · FAA SDRS
J · 1997-11-21 Matched by certificate designator
ATA 2750

STL - FLT 218 - AT 14,000 DURING DESCENT INTO STL, FLAPS UNCOMMANDED DEPLOYED TOWARD 10DGR AT 300 KTS, WITHIN 5 SECONDS WERE PLACED TO UP. ACCOMPLISHED CHECKS PER MM 5-51-0 PAGE 609 SECTION D FOUND OK FOR SERVICE. (M)

Source: SDR TWAA9713701 · FAA SDRS
L · 1996-05-15 Matched by certificate designator
ATA 3350

STL - FLT 619 - DURING PRE-FLIGHT, EMERGENCY LIGHTS AND EGRESS LIGHTS WOULD NOT ILLUMINATE. FOUND SWITCH HAD BEEN LEFT IN THE ON POSITION. REPLACED BATTERY POWER PACKS, MFG PN 5822-2 AND VR4D. EMERGENCY LIGHTS AND EGRESS LIGHT SYSTEM OPERATION CHECKED NORMAL. CHECK C - 5-22-95 - STL. (X)

Source: SDR 96ZZZX3023 · FAA SDRS