# Search: 427

Release 2026-10-28. Search by a record's number, a model, or words in a record's text. Add &type= for one collection, paged: https://openairdocs.org/search.md?q=427&type=ad. Types: ad, text (AD text), proposed, saib, acs, ac, acpage (AC pages), stc, stctext (STC certificate text), model, sdr, ntsb (NTSB investigations), incident (FAA reports), repairstation (FAA repair stations). Add &sort=newest or &sort=oldest to order each collection by its own date instead of best match.

## Aircraft and engine models (2)

- [Aircraft model](https://openairdocs.org/model/bell-helicopter-textron-canada-427.md): Bell Helicopter Textron Canada 427 · 7 registered · registry code 1182152
- [Aircraft model](https://openairdocs.org/model/bell-427.md): Bell 427 · 6 registered · registry code 1182207

## Airworthiness directives (58)

- [AD 2019-23-09](https://openairdocs.org/ad/2019-23-09.md): Empennage Structure · Bell Helicopter Textron Canada 427 · Effective Jan 10, 2020
  > This AD applies to Bell Helicopter Textron Canada Limited Model **427** helicopters with a vertical fin…
- [AD 95-24-10](https://openairdocs.org/ad/95-24-10.md): Tires · Cessna 650 and Tires · Effective Feb 21, 1996
  > …**4279N00339** **4279N00340** **4279N00341** **4279N00342** **4279N00343** **4279N00597** **4279N00598** **4279N00599** **4279N00600** **4279N00601** 4280N00075 4280N00199 4280N00200 4280N00201 4280N00203 4280N00204…
- [AD 2009-07-51](https://openairdocs.org/ad/2009-07-51.md): Lever assembly bearing · Bell Helicopter Textron 206A, 206A-1 (OH-58A), 206B and 7 more · superseded or historical
  > Bell Model 206A series, 206B series, 206L series, 407, and **427** helicopters
- [AD 2003-04-12](https://openairdocs.org/ad/2003-04-12.md): Auxiliary Fin Assemblies and Limitations Section of the Rotorcraft Flight Manual (RFM) · Bell Helicopter Textron Canada 427 · Effective Apr 4, 2003
  > Model **427** helicopters, serial numbers 56001 through 56030 with auxiliary fin assemblies, part numbers **427**-035…

All 58: https://openairdocs.org/search.md?q=427&type=ad

## In the text of ADs (176)

- [AD 2019-23-09](https://openairdocs.org/ad/2019-23-09.md): (a) Applicability · PDF page 3
  > This AD applies to Bell Helicopter Textron Canada Limited Model **427** helicopters with a vertical fin part number (P/N…
- [AD 2011-03-03](https://openairdocs.org/ad/2011-03-03.md): (f) Actions and Compliance · PDF page 2
  > …**427**-09-29, REV A, dated November 17, 2009. (i) If no cracks are found during the inspection required by…
- [AD 2016-20-01](https://openairdocs.org/ad/2016-20-01.md): Related Service Information · PDF page 2
  > We reviewed Bell Alert Service Bulletin (ASB) **427**-15-37 for Model **427** helicopters and Bell ASB 429-15-23…
- [AD 2018-21-15](https://openairdocs.org/ad/2018-21-15.md): (a) Applicability · PDF page 3
  > …part number (P/N) **427**-010-210-105 or aft rod end P/N **427**-010-210-109 installed, certificated…

All 176: https://openairdocs.org/search.md?q=427&type=text

## Proposed ADs (11)

- [NPRM 2002-SW-19-AD](https://openairdocs.org/proposed/2002-SW-19-AD.md): Bell Helicopter Textron Canada · Published Oct 18, 2002
  > Airworthiness Directives; Bell Helicopter Textron Canada Limited Model **427** Helicopters
- [NPRM 2001-SW-43-AD](https://openairdocs.org/proposed/2001-SW-43-AD.md): Bell Helicopter Textron Canada · Published Nov 28, 2001
  > Airworthiness Directives; Bell Helicopter Textron Canada Model **427** Helicopters
- [NPRM FAA-2010-0866](https://openairdocs.org/proposed/FAA-2010-0866.md): Bell Helicopter Textron Canada · Published Aug 30, 2010
  > …Tail rotor driveshaft hanger bearing bracket part number (P/N) **427**-044-223-101 has been…
- [NPRM 2001-SW-43-AD](https://openairdocs.org/proposed/2001-SW-43-AD.md): Bell Helicopter Textron Canada · Published Oct 18, 2002
  > Airworthiness Directives; Bell Helicopter Textron Canada Limited Model **427** Helicopters

All 11: https://openairdocs.org/search.md?q=427&type=proposed

## Information bulletins (5)

- [SAIB SW-01-14](https://openairdocs.org/saib/SW-01-14.md): Issued Feb 16, 2001
  > …Introduction This Special Airworthiness Information Bulletin (SAIB) advises you, as owner or operator of Bell **427**…
- [SAIB SW-15-20](https://openairdocs.org/saib/SW-15-20.md): Air Conditioning System Wiring · Issued Aug 13, 2015
  > …Blower Motor Connector SR00222DE Bell **427** **427**-110414 Bell **427** Air Conditioner Blower Motor Connector SR00418DE…
- [SAIB CE-11-02](https://openairdocs.org/saib/CE-11-02.md): Seat Belts: Sky Arrow 600 Seat Restraint System · Issued Oct 5, 2010
  > …770-**427**-6311 Fax: 770-**427**-6311 e-mail: info@hansenairgroup.com 2600 Cessna Lane Kennesaw…
- [SAIB SW-08-42](https://openairdocs.org/saib/SW-08-42.md): Emergency Float with Liferaft Kits (kits) · Issued Aug 27, 2008
  > …SR01779LA 634.2901 012 and below Bell **427** SR01813LA 644.1801 031 and below Eurocopter EC135…

All 5: https://openairdocs.org/search.md?q=427&type=saib

## In the text of advisory circulars (374)

- [AC 120-16G](https://openairdocs.org/ac/120-16.md?from=31): Air Carrier Maintenance Programs · Page 31
  > …You should also clearly state RII buy-back procedures (§§ 121.369(b)(4) and 135.**427**(b)(4)). d. Standards…
- [AC 120-68J](https://openairdocs.org/ac/120-68.md?from=88): Pilot Records Database and Pilot Records Improvement Act · Page 88
  > …Recurrent Training 121.**427**(c)(1)(i), 121.**427**(e)(1) N/A N/A Training for the pilot at…
- [AC 36-1H](https://openairdocs.org/ac/36-1.md?from=352): Noise Levels for U.S. Certificated and Foreign Aircraft · Page 352
  > …88.0 91.2 2 **427** 6.00 PW207D **427**-015-001-125 **427**-016-001-109 BELL HELI TEXTRON…
- [AC 29-2C CHG 9](https://openairdocs.org/ac/29-2.md?from=229): Certification of Transport Category Rotorcraft · Page 229
  > 9/30/99 AC 29-2C Figure AC 29.**427**-1 (View Looking Forward) Page C-31

All 374: https://openairdocs.org/search.md?q=427&type=acpage

## Supplemental type certificates (42)

- [STC SR02287AK](https://openairdocs.org/stc/SR02287AK.md): Installation of Airglas, Inc., L2700-427 Ski Kit. · Airglas Inc.
  > Installation of Airglas, Inc., L2700-**427** Ski Kit.
- [STC SR01520NY](https://openairdocs.org/stc/SR01520NY.md): Installation of bulkhead adapter assembly p/n 427-25-11-901-001. · Helipro International
  > Installation of bulkhead adapter assembly p/n **427**-25-11-901-001.
- [STC SR00419DE](https://openairdocs.org/stc/SR00419DE.md): Installation of cabin heater. · Air Comm Corporation
  > ["**427**"]
- [STC SR02304AT](https://openairdocs.org/stc/SR02304AT.md): Cabin Floor Protectors manufactured · Bell Helicopter Textron Inc.
  > ["**427**"]

All 42: https://openairdocs.org/search.md?q=427&type=stc

## In the text of STC certificates (123)

- [STC SR02287AK](https://openairdocs.org/stc/SR02287AK.md): Installation of Airglas, Inc., L2700-427 Ski Kit. · Airglas Inc. · Certificate · Mar 23, 2007
  > …Installation of Airglas, Inc., L2700-**427** Ski Kit in accordance with Airglas, Inc., Descriptive Data List Number L2700…
- [STC SR01666NY](https://openairdocs.org/stc/SR01666NY.md): Installation of Helipro Sliding Windows. · ACROHelipro Global Services Inc. · Certificate · Oct 2, 2006
  > …Installation of Helipro Sliding Windows in accordance with Helipro International Master Drawing List HP **427**-56-30-101…
- [STC SR02496LA](https://openairdocs.org/stc/SR02496LA.md): Installation of a single Garmin G500H system · Rotorcraft Support Inc · Certificate · Apr 18, 2014
  > …R00001RC Make Bell Helicopter Textron Canada Limited Model **427** Description of Type Design Change: Installation of a single…
- [STC SR01813LA](https://openairdocs.org/stc/SR01813LA.md): Installation of Apical Industries, Inc. Emergency Float Kit. · Apical Industries, Inc. dba Dart Aerospace · Certificate · Aug 8, 2005
  > …Bell **427** Model : Description of Type Design Change: Installation of Apical Industries, Inc. Emergency Float Kit in accordance…

All 123: https://openairdocs.org/search.md?q=427&type=stctext

## Concern sheets (1)

- [AIR760-2008-04-S-5500-ACS](https://openairdocs.org/acs/AIR760-2008-04-S-5500-ACS.md): Pneumatic Supply Tube · Issued Mar 10, 2008
  > …thru BY-26 Model B300, serials FL-**427**, FL-493, and FL-500 thru FL-573…

## Service difficulty reports (757)

- [SDR AC2A2009010180117](https://openairdocs.org/sdr/AC2A2009010180117.md): Switch · Bell 427 · Jan 1, 2009 · N427CK
  > TRIPLE SWITCH FAILED.
- [SDR CA150212005](https://openairdocs.org/sdr/CA150212005.md): Frame · Bell 427 · Feb 4, 2015
  > (CAN) FRAME FOUND CRACKED.
- [SDR AC2A110524](https://openairdocs.org/sdr/AC2A110524.md): Bearing · Bell 427 · Jul 27, 2006 · N427CU
  > FOUND DELAMINATED / REPLACED BEARING
- [SDR AC2A110528](https://openairdocs.org/sdr/AC2A110528.md): Bearing · Bell 427 · Jul 27, 2006 · N427CU
  > FOUND DELAMINATED / REPLACED BEARING.

All 757: https://openairdocs.org/search.md?q=427&type=sdr

## NTSB investigations (105)

- [NTSB CHI87IA112](https://openairdocs.org/ntsb/CHI87IA112.md): Dassault-Breguet 50 · Cleveland, OH · Mar 31, 1987 · N52DC · No injuries
  > …Toward the dryer VOR at FL290 & northwest flt **427** was proceeding westbound at the same alt toward the…
- [NTSB FTW89DRG06](https://openairdocs.org/ntsb/FTW89DRG06.md): Hughes 269C · Rocksprings, TX · May 18, 1989 · N58228 · 1 fatal
  > …104 Mg/l, 0.846 mg/l & 0.**427** mg/l, respectively. The toxicologist rprtd the therapeutic range…
- [NTSB ANC03LA030](https://openairdocs.org/ntsb/ANC03LA030.md): Cessna 208B · Russian Mission, AK · Jan 30, 2003 · N1276P · No injuries
  > …A mechanic for the operator said the FS **427**.88 bulkhead and tail tie down assembly were replaced…
- [NTSB UNK64X3534](https://openairdocs.org/ntsb/UNK64X3534.md): Piper PA24 · Baton Rouge, LA · Aug 22, 1964 · N8447P · No injuries
  > …0 0 2 Pleasure/personal transp total hours, **427** in type, Damage-substantial ot- 0 0 0 not…

All 105: https://openairdocs.org/search.md?q=427&type=ntsb

## FAA accident and incident reports (15)

- [Incident 20100128027579I](https://openairdocs.org/incident/20100128027579I.md): Bell 427 · Arlington, TX · Jan 28, 2010 · N427F · Minor damage
  > On January 28, 2010 at 11:25 local time Bell helicopter model **427**, N427F, owned and operated by…
- [Accident 19991113046959A](https://openairdocs.org/incident/19991113046959A.md): Bell 427 · Alamosa, CO · Nov 13, 1999 · No damage
  > (-23)The aircraft was/is certificated in experimental category for purpose of FAA certification for type certification. This…
- [Accident 20120604011249A](https://openairdocs.org/incident/20120604011249A.md): Bell 427 · Indiantown, FL · Jun 4, 2012 · N427AL · Substantial damage
  > N427AL appears to have struck a large bird in the helicopters rotor system at an altitude of approximately…
- [Accident 19981011039969A](https://openairdocs.org/incident/19981011039969A.md): Doug MD88 · Covington/Cinci, KY · Oct 11, 1998 · N977DL · Substantial damage
  > …Aircraft was damaged, r/h side of fuselage of station **427**-7B.

All 15: https://openairdocs.org/search.md?q=427&type=incident
