# Search: 500

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=500&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 (6)

- [Aircraft model](https://openairdocs.org/model/aero-commander-500-b.md): Aero Commander 500-B · 85 registered · registry code 0141106
- [Aircraft model](https://openairdocs.org/model/cessna-500.md): Cessna 500 · 62 registered · registry code 2076602
- [Aircraft model](https://openairdocs.org/model/aero-commander-500-s.md): Aero Commander 500 S · 45 registered · registry code 0141107
- [Aircraft model](https://openairdocs.org/model/mcdonnell-douglas-helicopter-500n.md): Mcdonnell Douglas Helicopter 500N · 27 registered · registry code 3027374
- [Aircraft model](https://openairdocs.org/model/aero-commander-500-a.md): Aero Commander 500-A · 23 registered · registry code 0141104
- [Aircraft model](https://openairdocs.org/model/rockwell-international-500-s.md): Rockwell International 500-S · 19 registered · registry code 7630410

## Airworthiness directives (1,000+)

- [AD 75-12-09 R2](https://openairdocs.org/ad/75-12-09-R2.md): Inadvertent Structural Failure · Twin Commander 500, 500-A, 500-B and 12 more · Effective Nov 28, 1981
  > Airworthiness Directives; Rockwell Model **500**, **500A**, **500B**, **500S**, **500U**, 520, 560, 560A, 560E, 560F, 680, 680E…
- [AD 87-21-07 R1](https://openairdocs.org/ad/87-21-07-R1.md): Fuel Filler Openings · Twin Commander 500, 500-A, 500-B and 16 more · Effective May 5, 1989
  > ["**500**","**500**-A","**500**-B","**500**-S","**500**-U","520","560","560-A","560-E","560…
- [AD 73-06-02](https://openairdocs.org/ad/73-06-02.md): Fuel Siphoning · Twin Commander 500, 500-A, 500-B and 13 more · Effective Mar 19, 1973
  > Airworthiness Directives; Aero Commander Model **500**, **500A**, **500B**, **500U**, 520, 560, 560A, 560E, 560F, 680, 680E…
- [AD 61-14-01](https://openairdocs.org/ad/61-14-01.md): Engine Mount Inspection · Twin Commander 500, 500-A and 500-B · Effective Aug 8, 1961
  > ["**500**","**500**-A","**500**-B"]

All 1,000+: https://openairdocs.org/search.md?q=500&type=ad

## In the text of ADs (1,000+)

- [AD 80-09-09](https://openairdocs.org/ad/80-09-09.md): Dual Flight Director Installation
  > …Serial Numbers **500**-0066 **500**-0303 **500**-0178 **500**-0304 **500**-0184 **500**-0342 **500**-0275 **500**-0343 **500**-0276…
- [AD 2012-06-13](https://openairdocs.org/ad/2012-06-13.md): (c) Applicability · PDF page 2
  > This AD applies to DG Flugzeugbau GmbH Models DG-**500** Elan Orion, DG-**500** Elan Trainer, DG-**500**/20 Elan…
- [AD 2020-13-09](https://openairdocs.org/ad/2020-13-09.md): (c) Applicability · PDF page 3
  > This AD applies to DG Flugzeugbau GmbH Models DG-**500** Elan Orion, DG-**500** Elan Trainer, DG-**500**/20 Elan…
- [AD 2012-03-12](https://openairdocs.org/ad/2012-03-12.md): Request for Action for Engines That Have 5,500 CIS Since Last Shop Visit · PDF page 2
  > Six commenters requested that a drawdown schedule be provided for engines that have accumulated 5,**500** or more CIS since…

All 1,000+: https://openairdocs.org/search.md?q=500&type=text

## Proposed ADs (566)

- [NPRM FAA-2021-500](https://openairdocs.org/proposed/FAA-2021-500.md): Airbus Helicopters · Published Jul 7, 2021
  > FAA-2021-**500**
- [NPRM FAA-2026-4669](https://openairdocs.org/proposed/FAA-2026-4669.md): Airbus Canada Limited Partnership BD-500-1A10 and BD-500-1A11 · Published Jun 29, 2026
  > ["BD-**500**-1A10","BD-**500**-1A11"]
- [NPRM 97-CE-57-AD](https://openairdocs.org/proposed/97-CE-57-AD.md): Airworthiness Directives; Twin Commander Aircraft Corporation Models 500, -500-A, -500-B, -500-S, -500-U, -520, -560, -560-A, -560-E, -560-F, -680, -680-E, -680FL(P), -680T, -680V, -680W, -681, -685, -690, -690A, -690B, 690C, -690D, -695, -695A, -695B, and 720 Airplanes · Published Sep 16, 1997
  > Airworthiness Directives; Twin Commander Aircraft Corporation Models **500**, -**500**-A, -**500**-B, -**500**-S, -**500**-U…
- [NPRM FAA-2026-8794](https://openairdocs.org/proposed/FAA-2026-8794.md): Airbus Canada Limited Partnership BD-500-1A10 and BD-500-1A11 · Published Sep 2, 2026
  > ["BD-**500**-1A10","BD-**500**-1A11"]

All 566: https://openairdocs.org/search.md?q=500&type=proposed

## Information bulletins (114)

- [SAIB 2023-14](https://openairdocs.org/saib/2023-14.md): Landing Gear Retract/Extend System · Issued Nov 14, 2023
  > ["**500**-A","**500**-B","**500**-S","**500**-U","560-F","680-F","680-F(P)","680…
- [SAIB CE-12-19](https://openairdocs.org/saib/CE-12-19.md): Fuel: Aircraft Fuel System on Cessna Model 500/501/550 Airplanes · Issued Mar 1, 2012
  > …Aircraft Fuel System on Cessna Model **500**/501/550 Airplanes Date: March 1, 2012 This is…
- [SAIB AIR-21-04](https://openairdocs.org/saib/AIR-21-04.md): HYDRAULIC POWER SYSTEM · Issued Feb 11, 2021
  > …Model EMB-**500** airplanes with marketing designations of Phenom 100E or Phenom 100EV or that have…
- [SAIB SW-11-24](https://openairdocs.org/saib/SW-11-24.md): Helicopter Terrain Awareness and Warning System · Issued Mar 18, 2011
  > …The FAA has become aware of a number of installations of Garmin 400/**500** series GPS…

All 114: https://openairdocs.org/search.md?q=500&type=saib

## In the text of advisory circulars (1,000+)

- [AC 20-138D](https://openairdocs.org/ac/20-138.md?from=178): Airworthiness Approval of Positioning and Navigation Systems · Page 178
  > 4/7/16 AC 20-138D Change 2 Appendix 2 Turn Height Above Airport (Feet) Standard Tailwind Component (Knots)* **500**…
- [AC 91-71](https://openairdocs.org/ac/91-71.md?from=8): Operation of Hot Air Balloons with Airborne Heaters · Page 8
  > AC 91-71 6/13/96 **500**' FIGURE 10. OVER OTHER THAN CONGESTED AREAS c. In the case of open…
- [AC 120-57C](https://openairdocs.org/ac/120-57.md?from=80): Low Visibility Operations/Surface Movement Guidance and Control Systems (LVO/SMGCS) · Page 80
  > …to **500** RVR • Inboard-Center Lighting < **500** RVR • Inboard-Outboard Lighting < 1200 to **500** RVR • Inboard-Outboard Lighting < **500** RVR…
- [AC 61-137B](https://openairdocs.org/ac/61-137.md?from=32): Approval of Manufacturer’s Required Training Programs · Page 32
  > …A pilot should accomplish differences training in an upgraded EA-**500** prior to acting as PIC in an EA-**500**…

All 1,000+: https://openairdocs.org/search.md?q=500&type=acpage

## Supplemental type certificates (1,000+)

- [STC SA02013SE](https://openairdocs.org/stc/SA02013SE.md): Modification of the fuel system, structures, and engine installation · Merlyn Products Inc.
  > ["**500**","**500**-A","**500**-B","**500**-S","**500**-U"]
- [STC SA1158GL](https://openairdocs.org/stc/SA1158GL.md): Replace standard wing tip assembly with winglet tip assembly. · Commander Aero, Inc
  > ["**500**-U","**500**-B","**500**","**500**-A","**500**-S"]
- [STC SA7187SW-D](https://openairdocs.org/stc/SA7187SW-D.md): Installation of S-TEC Manual Electric Trim System, Model ST-129. · S-TEC Corporation
  > ["**500**-A","**500**","**500**-B","**500**-S","**500**-U"]
- [STC SA7224SW-D](https://openairdocs.org/stc/SA7224SW-D.md): Installation of S-TEC system 60 pitch stabilization system, Model ST-326. · S-TEC Corporation
  > ["**500**-S","**500**","**500**-A","**500**-B","**500**-U"]

All 1,000+: https://openairdocs.org/search.md?q=500&type=stc

## In the text of STC certificates (1,000+)

- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK.md): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System · ADS-B Technologies, LLC · SR02487AK_AML.pdf · May 23, 2017
  > …L3-ESI- **500**-IM, or later FAA approved revisions ESI-**500** Instructions for Continued Airworthiness, Doc No. L3…
- [STC ST03034NY](https://openairdocs.org/stc/ST03034NY.md): Replacement of certain Goodrich pneumatic deicer boots · SMR Technologies Inc · ST03034NY AML.pdf · Nov 23, 2011
  > …Revision & Date PART NUMBER REPLACEMENT FOR GOODRICH PART NUMBER AML AMENDMENT DATE 1 Cessna Aircraft Company **500** S…
- [STC SA529WE](https://openairdocs.org/stc/SA529WE.md): Installation of turbosupercharged Lycoming IO-540 series engines. · RPM Commander LLC · Certificate · Aug 15, 1968
  > …**500**-B, **500**-U, **500**-S Descriplion of Type Design Change: Installation of turbosupercharged Lycoming 10-540 series…
- [STC ST01270WI-D](https://openairdocs.org/stc/ST01270WI-D.md): Installation of Honeywell MK V and MK VII EGPWS Runway Awareness and Advisory System (RAAS).  This approval is limited to specifically idenitfied aircraft. · Duncan Aviation Inc · AML_ST01270WI-D.pdf · May 24, 2012
  > …Dassault Falcon 50 301 998-3370-213 ON ON ON 90 60 ON ON 92 20 FT **500**…

All 1,000+: https://openairdocs.org/search.md?q=500&type=stctext

## Concern sheets (11)

- [AIR760-2010-02-S-2300-ACS](https://openairdocs.org/acs/AIR760-2010-02-S-2300-ACS.md): Communications · Issued Apr 1, 2010
  > …Eclipse Service Bulletin SB **500**-31-15 has been developed along with temporary revisions 10 and…
- [AIR750-2026-06-S-5700-ACS](https://openairdocs.org/acs/AIR750-2026-06-S-5700-ACS.md): Lower Wing Skin Cracking · Issued Aug 3, 2026
  > ["690B","690","690A","690D","690C","695","680-FL","500U","680-V","680-F(P)","**500S**","680…
- [AIR760-2008-03-S-5700-ACS](https://openairdocs.org/acs/AIR760-2008-03-S-5700-ACS.md): Aluminum Spar Caps · Issued Feb 27, 2008
  > …their lower spar caps beginning at 3,**500** hours TIS. Risk Assessment a. Safety Effect: 4…
- [AIR760-2007-20-S-7100-ACS](https://openairdocs.org/acs/AIR760-2007-20-S-7100-ACS.md): Cracks in the Engine Mount · Issued Nov 6, 2007
  > …certain serial number AT- 400 and AT-**500** series airplanes for cracked engine mounts. The revised…

All 11: https://openairdocs.org/search.md?q=500&type=acs

## Service difficulty reports (1,000+)

- [SDR 608062](https://openairdocs.org/sdr/608062.md): Clamp · Gulstm 500 · Jun 8, 2006
  > BLADE CLAMPS CRACKED.
- [SDR 608063](https://openairdocs.org/sdr/608063.md): Clamp · Gulstm 500 · Jun 8, 2006
  > BLADE CLAMP CRACKED.
- [SDR AU991009](https://openairdocs.org/sdr/AU991009.md): Valve · Gulstm 500S · Oct 15, 1999
  > (AUS) FUEL MANIFOLD VALVE FAULTY.
- [SDR AU000446](https://openairdocs.org/sdr/AU000446.md): Crankshaft · Gulstm 500S · Mar 20, 2000
  > (AUS) ENGINE FAILURE. SUSPECT BROKEN CRANKSHAFT.

All 1,000+: https://openairdocs.org/search.md?q=500&type=sdr

## NTSB investigations (1,000+)

- [NTSB SEA83LA001](https://openairdocs.org/ntsb/SEA83LA001.md): Piper PA-12 · Salmon, ID · Sep 30, 1982 · N2343M · No injuries
  > The plt reported that the strip had about 1,**500** ft of usable length, the remaining 3,050…
- [NTSB LAX87FA151](https://openairdocs.org/ntsb/LAX87FA151.md): Cessna T210K · Prescott, AZ · Mar 20, 1987 · N8105G · Serious injuries
  > …He climbed the acft to and maintained an altitude of 14,**500** feet MSL until reaching salt lake…
- [NTSB ATL88FA010](https://openairdocs.org/ntsb/ATL88FA010.md): Piper PA-28-161 · Greenville, SC · Oct 12, 1987 · N84430 · 2 fatal
  > …The Piper was clrd to 7,**500**. About one min after acknowledging that he was at 7,**500**…
- [NTSB DEN82DA147](https://openairdocs.org/ntsb/DEN82DA147.md): Bell UH1B · Bryce Canyon, UT · Jul 28, 1982 · N88389 · No injuries
  > …The density altitude was 12,**500** feet. There was about **500** or 600 pounds of cargo on the…

All 1,000+: https://openairdocs.org/search.md?q=500&type=ntsb

## FAA accident and incident reports (1,000+)

- [Incident 19800924070729I](https://openairdocs.org/incident/19800924070729I.md): Rkwell 500S · Rockport, TX · Sep 24, 1980 · N57GB · Minor damage
  > Gear retracted during ground operation.
- [Accident 19780527017359A](https://openairdocs.org/incident/19780527017359A.md): Rkwell 500S · Chula Vista, CA · May 27, 1978 · N2300H · Substantial damage
  > Refueled with 65GAL jet a.
- [Accident 19780911043509A](https://openairdocs.org/incident/19780911043509A.md): Rkwell 500S · Hammondsport, NY · Sep 11, 1978 · N40MA · Destroyed · 2 fatal
  > Aircraft approach toward rising terrain.
- [Accident 19770312010159A](https://openairdocs.org/incident/19770312010159A.md): Rkwell 500S · Mount Clemens, MI · Mar 12, 1977 · N303E · Destroyed
  > Plt reported low fuel pressure.

All 1,000+: https://openairdocs.org/search.md?q=500&type=incident