# Aero Commander 520

- Type: Aircraft model (FAA registry)
- Registry code: 0141202
- Manufacturer (registry): AERO COMMANDER
- Model: 520
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Reciprocating
- Seats: 5
- Weight class: Up to 12,499 lb
- Cruise speed: 147 mph
- Certification: Type certificated
- Data sheet: [TCDS 6A1](https://openairdocs.org/tcds/6A1) (OpenAirDocs)
- Holder: Twin Commander Aircraft LLC
- Registered aircraft: 12
- Page: https://openairdocs.org/model/aero-commander-520

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 98-20-34](https://openairdocs.org/ad/98-20-34): Airplane Flight Manuals--Severe Icing Conditions · Twin Commander 500, 500-A, 500-B and 24 more. Effective Nov 3, 1998
- [AD 98-14-03](https://openairdocs.org/ad/98-14-03): Transponders · Cessna 172, 172A, 172B and 230 more. Effective Aug 16, 1998
- [AD 98-07-17](https://openairdocs.org/ad/98-07-17): Flap System · Twin Commander 500, 500-A, 500-B and 27 more. Effective May 29, 1998
- [AD 98-08-19](https://openairdocs.org/ad/98-08-19): Wing to Fuselage Attachment Brackets and Straps · Twin Commander 500, 500-A, 500-B and 27 more. Effective May 18, 1998
- [AD 94-04-13](https://openairdocs.org/ad/94-04-13): Spar Cap · Twin Commander 500, 500-A, 500-B and 17 more. Effective Apr 12, 1994
- [AD 87-21-07 R1](https://openairdocs.org/ad/87-21-07-R1): Fuel Filler Openings · Twin Commander 500, 500-A, 500-B and 16 more. Effective May 5, 1989
- [AD 75-12-09 R2](https://openairdocs.org/ad/75-12-09-R2): Inadvertent Structural Failure · Twin Commander 500, 500-A, 500-B and 12 more. Effective Nov 28, 1981
- [AD 79-07-02](https://openairdocs.org/ad/79-07-02): Batteries · Aircraft Parts & Development A, A-2, A-3 and 149 more. Effective Apr 3, 1979
- [AD 73-06-02](https://openairdocs.org/ad/73-06-02): Fuel Siphoning · Twin Commander 500, 500-A, 500-B and 13 more. Effective Mar 19, 1973
- [AD 63-08-01](https://openairdocs.org/ad/63-08-01): Fuel Gaging System · Twin Commander 520. Effective Apr 9, 1963
- [AD 62-08-02](https://openairdocs.org/ad/62-08-02): Fuel Line Modification · Twin Commander 520 and 560. Effective Apr 11, 1962
- [AD 59-16-01](https://openairdocs.org/ad/59-16-01): Fuel Line Routing · Twin Commander 500, 520, 560 and 5 more
- [AD 58-01-01](https://openairdocs.org/ad/58-01-01): Fuel Vent Line Replacement · Twin Commander 520, 560, 560-A and 2 more
- [AD 57-09-01](https://openairdocs.org/ad/57-09-01): Aileron Bellcrank Casting · Twin Commander 520, 560, 560-A and 1 more

Historical (superseded or no longer in force):

- [AD 94-04-17](https://openairdocs.org/ad/94-04-17) (historical): Flap System Cable · Twin Commander 500, 500-A, 500-B and 27 more. Effective Apr 15, 1994

## Information bulletins (advisory) (1)

- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018

## Registered aircraft (12)

- [N11L](https://openairdocs.org/aircraft/N11L): [Wilkins Daryl J](https://openairdocs.org/faa-owner/WILKINS%20DARYL%20J), [Linden, CA](https://openairdocs.org/faa-place/CA/Linden), built 1953, S/N 520-109
- [N19KD](https://openairdocs.org/aircraft/N19KD): [Flabob Airport LLC](https://openairdocs.org/faa-owner/FLABOB%20AIRPORT%20LLC), [Riverside, CA](https://openairdocs.org/faa-place/CA/Riverside), S/N 520-29
- [N264RW](https://openairdocs.org/aircraft/N264RW): [Deneve Antoinette](https://openairdocs.org/faa-owner/DENEVE%20ANTOINETTE), [De Kalb, TX](https://openairdocs.org/faa-place/TX/De%20Kalb), built 1952, S/N 520-46
- [N411VV](https://openairdocs.org/aircraft/N411VV): [Scott William H](https://openairdocs.org/faa-owner/SCOTT%20WILLIAM%20H), [Mount Pleasant, SC](https://openairdocs.org/faa-place/SC/Mount%20Pleasant), S/N 520-39
- [N4131B](https://openairdocs.org/aircraft/N4131B): [Padgett Mfg Inc](https://openairdocs.org/faa-owner/PADGETT%20MFG%20INC), [Bradenton, FL](https://openairdocs.org/faa-place/FL/Bradenton), built 1952, S/N 520-35
- [N4136B](https://openairdocs.org/aircraft/N4136B): [Wright Michael E](https://openairdocs.org/faa-owner/WRIGHT%20MICHAEL%20E), [Hurricane, UT](https://openairdocs.org/faa-place/UT/Hurricane), built 1953, S/N 52040
- [N4142B](https://openairdocs.org/aircraft/N4142B): [Knutson Wayne R](https://openairdocs.org/faa-owner/KNUTSON%20WAYNE%20R), [Tioga, ND](https://openairdocs.org/faa-place/ND/Tioga), built 1953, S/N 520-47
- [N4179B](https://openairdocs.org/aircraft/N4179B): [Mitchell Matthew K](https://openairdocs.org/faa-owner/MITCHELL%20MATTHEW%20K), [Cushing, OK](https://openairdocs.org/faa-place/OK/Cushing), built 1953, S/N 520-86
- [N4189B](https://openairdocs.org/aircraft/N4189B): [Kruger Thomas H](https://openairdocs.org/faa-owner/KRUGER%20THOMAS%20H), [Hoquiam, WA](https://openairdocs.org/faa-place/WA/Hoquiam), built 1953, S/N 520-96
- [N520RN](https://openairdocs.org/aircraft/N520RN): [Aeronorth LLC](https://openairdocs.org/faa-owner/AERONORTH%20LLC), [Ann Arbor, MI](https://openairdocs.org/faa-place/MI/Ann%20Arbor), built 1953, S/N 520-113
- [N590W](https://openairdocs.org/aircraft/N590W): [Aba Contractors Inc](https://openairdocs.org/faa-owner/ABA%20CONTRACTORS%20INC), [Arcadia, OK](https://openairdocs.org/faa-place/OK/Arcadia), built 1954, S/N 520-126
- [N777VM](https://openairdocs.org/aircraft/N777VM): [Abbing Frits G H](https://openairdocs.org/faa-owner/ABBING%20FRITS%20G%20H), [Crescent City, FL](https://openairdocs.org/faa-place/FL/Crescent%20City), S/N 520-125

## NTSB investigations (69, newest 50)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA02FA036](https://openairdocs.org/ntsb/SEA02FA036), Feb 2, 2002: Aero Commander 520 (N520SE), Puyallup, WA, substantial damage. Probable cause: The pilot's failure to maintain aircraft control during takeoff. Trees were a factor.
- [NTSB FTW87FA177](https://openairdocs.org/ntsb/FTW87FA177), Jul 27, 1987: Aero Commander 520 (N4164B), Carrollton, TX, destroyed
- [NTSB LAX87DUG01](https://openairdocs.org/ntsb/LAX87DUG01), Nov 2, 1986: Aero Commander 520 (N70FM), Lucerne Valley, CA, destroyed
- [NTSB FTW84LA356](https://openairdocs.org/ntsb/FTW84LA356), Aug 24, 1984: Gulfstream 520 (N4183B), Goliad, TX, destroyed
- [NTSB MIA84LA227](https://openairdocs.org/ntsb/MIA84LA227), Aug 14, 1984: Aero Commander 520 (N7834), Stuart, FL, substantial damage
- [NTSB FTW84FA047](https://openairdocs.org/ntsb/FTW84FA047), Nov 9, 1983: Aero Commander 520 (N4116B), Clines Corners, NM, destroyed, 2 fatal
- [NTSB LAX82FA357](https://openairdocs.org/ntsb/LAX82FA357), Sep 26, 1982: Aero Commander 520 (N2622B), Agoura, CA, destroyed, 3 fatal
- [NTSB MIA82DKA03](https://openairdocs.org/ntsb/MIA82DKA03), Oct 23, 1981: Aero Comdr 520 (N4162B), Cabo Rojo, PR, substantial damage
- [NTSB ATL82FKQ03](https://openairdocs.org/ntsb/ATL82FKQ03), Oct 16, 1981: Aero Cmndr 520 (N2605B), Biloxi, MS, destroyed
- [NTSB FTW79DRD16](https://openairdocs.org/ntsb/FTW79DRD16), Mar 4, 1979: Aero Comm 520 (N4178B), New Orleans, LA, destroyed
- [NTSB MKC79FCA05](https://openairdocs.org/ntsb/MKC79FCA05), Jan 18, 1979: Aero Comdr 520 (N4180B), Vichy, MO, substantial damage
- [NTSB MKC78DCG06](https://openairdocs.org/ntsb/MKC78DCG06), Oct 29, 1977: Aero Comdr 520 (N4178B), Lamar, MO, substantial damage
- [NTSB MKC77FER09](https://openairdocs.org/ntsb/MKC77FER09), Dec 7, 1976: Aero Comdr 520 (N4178B), St Paul, MN, substantial damage
- [NTSB LAX75O0017](https://openairdocs.org/ntsb/LAX75O0017), Dec 12, 1974: Aero Comdr 520 (N4150B), Bahia De L.A., Mexico, substantial damage
- [NTSB LAX74AL079](https://openairdocs.org/ntsb/LAX74AL079), Jun 7, 1974: Aero Comdr 520 (N719Z), Santee, CA, destroyed, 2 fatal
- [NTSB CHI74FEA29](https://openairdocs.org/ntsb/CHI74FEA29), Feb 23, 1974: Aero Comdr 520-48 (N144X), Oxford, IN, substantial damage
- [NTSB CHI74AC016](https://openairdocs.org/ntsb/CHI74AC016), Aug 25, 1973: Aero Comdr 520 (N2634B), Michigan City, IN, destroyed
- [NTSB FTW73DRA23](https://openairdocs.org/ntsb/FTW73DRA23), Apr 25, 1973: Aero Comdr 520 (N4131B), Stan C, HO, substantial damage
- [NTSB MIA73FKJ44](https://openairdocs.org/ntsb/MIA73FKJ44), Mar 7, 1973: Aero Comdr 520 (N7324), Central Mills, AL, destroyed
- [NTSB DEN73FTE51](https://openairdocs.org/ntsb/DEN73FTE51), Feb 2, 1973: Aero Comdr 520 (N158V), Littleton, CO, substantial damage
- [NTSB MIA73FKG26](https://openairdocs.org/ntsb/MIA73FKG26), Aug 18, 1972: Aero Comdr 520 (N2636B), Thomson, GA, substantial damage
- [NTSB LAX73FUM02](https://openairdocs.org/ntsb/LAX73FUM02), Aug 2, 1972: Aero Comdr 520 (N719Z), Imperial, CA, substantial damage
- [NTSB NYC72AN143](https://openairdocs.org/ntsb/NYC72AN143), May 9, 1972: Aero Comdr 520 (N9051R), Burnsville, NC, destroyed, 2 fatal
- [NTSB DEN72FTC13](https://openairdocs.org/ntsb/DEN72FTC13), Oct 18, 1971: Aero Comdr 520 (N4168B), Sinclair, WY, substantial damage
- [NTSB MKC71FCG77](https://openairdocs.org/ntsb/MKC71FCG77), Jun 16, 1971: Aero Comdr 520 (N4167B), Independence, MO, substantial damage
- [NTSB MIA71AM065](https://openairdocs.org/ntsb/MIA71AM065), Feb 3, 1971: Aero Comdr 520 (N4190B), Columbia, SC, destroyed, 6 fatal
- [NTSB MIA71FKT28](https://openairdocs.org/ntsb/MIA71FKT28), Dec 28, 1970: Aero Comdr 520 (N167L), Miami, FL, substantial damage
- [NTSB MIA70DKJ49](https://openairdocs.org/ntsb/MIA70DKJ49), Jun 24, 1970: Aero Comdr 520 (N2136), Mobile, AL, substantial damage
- [NTSB DEN70FXD08](https://openairdocs.org/ntsb/DEN70FXD08), Jan 30, 1970: Aero Comdr 520 (N2634B), Broomfield, CO, substantial damage
- [NTSB SEA70D0144](https://openairdocs.org/ntsb/SEA70D0144), Dec 13, 1969: Aero Comdr 520 (N2622B), Salem, OR, substantial damage
- [NTSB DEN70D0151](https://openairdocs.org/ntsb/DEN70D0151), Nov 1, 1969: Aero Comdr 520 (N4192B), Albuquerque, NM, substantial damage
- [NTSB FTW70O0010](https://openairdocs.org/ntsb/FTW70O0010), Oct 15, 1969: Aero Comdr 520 (N520X), Camalu, Mexico, destroyed
- [NTSB LAX69A0072](https://openairdocs.org/ntsb/LAX69A0072), May 28, 1969: Aero Comdr 520 (N4127B), Olberg, AZ, destroyed, 1 fatal
- [NTSB NYC69F0369](https://openairdocs.org/ntsb/NYC69F0369), Mar 13, 1969: Aero Comdr 520 (N4164B), Claremont, NH, substantial damage
- [NTSB FTW69F0278](https://openairdocs.org/ntsb/FTW69F0278), Nov 16, 1968: Aero Comdr 520 (N4129B), Dallas, TX, substantial damage
- [NTSB NYC69F0097](https://openairdocs.org/ntsb/NYC69F0097), Jul 25, 1968: Aero Comdr 520 (N222E), Medford, NJ, substantial damage
- [NTSB MIA69F0005](https://openairdocs.org/ntsb/MIA69F0005), Jun 17, 1968: Aero Comdr 520 (N359T), Nashville, TN, substantial damage
- [NTSB MIA69F0039](https://openairdocs.org/ntsb/MIA69F0039), May 21, 1968: Aero Comdr 520 (N2604B), Geiger, AL, substantial damage
- [NTSB SEA68D0218](https://openairdocs.org/ntsb/SEA68D0218), Nov 22, 1967: Aero Comdr 520 (N2625B), Bozeman, MT, substantial damage
- [NTSB DEN68A0014](https://openairdocs.org/ntsb/DEN68A0014), Aug 9, 1967: Aero-Comdr 520 (N8000G), Parshall, CO, destroyed, 4 fatal
- [NTSB DIA68F0046](https://openairdocs.org/ntsb/DIA68F0046), Aug 7, 1967: Aero Comdr 520 (N222E), Charlotte, NC, substantial damage
- [NTSB FTW67F0615](https://openairdocs.org/ntsb/FTW67F0615), May 13, 1967: Aero Comdr 520 (N2605B), Lubbock, TX, substantial damage
- [NTSB CHI67F0641](https://openairdocs.org/ntsb/CHI67F0641), Apr 3, 1967: Aero Comdr 520 (N7834), Rockford, IL, substantial damage
- [NTSB FTW67F0490](https://openairdocs.org/ntsb/FTW67F0490), Mar 26, 1967: Aero Comdr 520 (N158V), Oklahoma Cty, OK, substantial damage
- [NTSB CHI67A0100](https://openairdocs.org/ntsb/CHI67A0100), Feb 22, 1967: Aero Comdr 520 (N2628B), Jetson, KY, destroyed, 3 fatal
- [NTSB CHI67A0095](https://openairdocs.org/ntsb/CHI67A0095), Feb 10, 1967: Aero Comdr 520 (N4197B), Columbia City, IN, substantial damage
- [NTSB MIA67F0192](https://openairdocs.org/ntsb/MIA67F0192), Aug 19, 1966: Aero Comdr 520 (N4162B), Mobile, AL, substantial damage
- [NTSB CHI67F0240](https://openairdocs.org/ntsb/CHI67F0240), Aug 14, 1966: Aero Comdr 520 (N1914), Gary, IN, destroyed
- [NTSB FTW67F0122](https://openairdocs.org/ntsb/FTW67F0122), Jul 27, 1966: Aero Comdr 520 (N158V), Amarillo, TX, substantial damage
- [NTSB MIA67F0100](https://openairdocs.org/ntsb/MIA67F0100), Jul 10, 1966: Aero Comdr 520 (N500U), Linden, TN, substantial damage

All 69: https://openairdocs.org/model/aero-commander-520/ntsb.md

## FAA accident and incident reports (39)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20191212022349I](https://openairdocs.org/incident/20191212022349I), Dec 12, 2019: Aero Commander 520 (N520RN), Flint, MI, Minor damage. After a brief 10 minute ferry flight from rnp to fnt on landing rollout the nosegear collapsed.
- [Incident 20080507837469I](https://openairdocs.org/incident/20080507837469I), May 7, 2008: Gulstm 520 (N200), Orlando, FL, Minor damage. (-23) On 7 may, 2008, at 1030 EDT, an aero commander AC520, serial number 520-80, N200, operated by [privacy data omitted] lost its right engine in-flight and…
- [Incident 20050913023029I](https://openairdocs.org/incident/20050913023029I), Sep 13, 2005: Gulstm 520 (N4114B), Greenville, TX, Minor damage. (-23) On 9/13/2005 at 1730 hours aircraft N4114B, piloted by [privacy data omitted] landed at Majors field, Greenville, TX 75402. During the landing the right…
- [Incident 20040515013749I](https://openairdocs.org/incident/20040515013749I), May 15, 2004: Gulstm 520 (N520RN), Pontiac, MI, Minor damage. (-23) On may 15, 2004 at 11:46 local aircraft landed on runway 27R and nose gear collapsed upon landing. Aircraft skidded about 200 feet on runway and then…
- [Accident 20020202002199A](https://openairdocs.org/incident/20020202002199A), Feb 2, 2002: Gulstm 520 (N520SE), Kinston, NC, No damage. (-23) After thorough and normal runup and taxiing from south end of runway to northend pilot attempted takeoff. Shortly after rotation, the left engine began…
- [Incident 19960407009699I](https://openairdocs.org/incident/19960407009699I), Apr 7, 1996: Gulstm 520 (N19KD), Riverside, CA. Narrative: on Sunday, April 7, 1996, barry s. gregory, PIC and owner of aero commander GA-520-520, N19KD, departed Riverside airport at 0820 to practice…
- [Incident 19951128045119I](https://openairdocs.org/incident/19951128045119I), Nov 28, 1995: Gulstm 520 (N4114B), Dallas, TX, Minor damage. Narrative: on November 28, 1995 at 2140 local time the commercial rated pilot was taxiing for departure at dal for a CFR part 91 flight to tki after completing…
- [Incident 19950902037419I](https://openairdocs.org/incident/19950902037419I), Sep 2, 1995: Gulstm 520 (N520SE), Puyallup, WA, Minor damage. Three greens on landing nose wheel collapsed. Pulled taildown. Extended gear manually. Taxied to hangar.
- [Incident 19940218024579I](https://openairdocs.org/incident/19940218024579I), Feb 18, 1994: Gulstm 520 (N777VM), Circleville, OH. Both engines quit. Feathered. Landed in plowed field. 7 gal fuel in tanks. Gauge read 85 fal. Tank drain leaking
- [Incident 19930415011919I](https://openairdocs.org/incident/19930415011919I), Apr 15, 1993: Gulstm 520 (N19KD), Riverside, CA, Minor damage. Pilot retracted gear for possible go around. Go around not needed. Forgot to lower gear, landed gear up.
- [Accident 19870727038939A](https://openairdocs.org/incident/19870727038939A), Jul 27, 1987: Gulstm 520 (N4164B), Dallas, TX, Destroyed. Engine vibration and unable to feather. Stalled trying to land. Prop blade link pins missing. Assembled by pilot.
- [Accident 19861102053369A](https://openairdocs.org/incident/19861102053369A), Nov 2, 1986: Gulstm 520 (N70FM), Lucerne Valley, CA, Destroyed. The pilot reported an inflight fire and emergency landing. Evidence suggests fire was deliberately set on ground.
- [Accident 19840817041389A](https://openairdocs.org/incident/19840817041389A), Aug 17, 1984: Gulstm 520 (N4183B), Goliad, TX, Destroyed. Pilot identity unknown, evidence indicated injury. Registered owner sold aircraft, buyer said he also sold it.
- [Accident 19840814073149A](https://openairdocs.org/incident/19840814073149A), Aug 14, 1984: Gulstm 520 (N7834), Stuart, FL, Substantial damage. Hit wire fence on takeoff. Overshot landing. Refused breathalyzer test. Jailed by sheriff.
- [Incident 19831119071579I](https://openairdocs.org/incident/19831119071579I), Nov 19, 1983: Gulstm 520 (N4188B), Roanoke, VA, Minor damage. Nose wheel collapsed on landing. Torque box and bungee spring loose. Allowed linkage to unlock. Rivets had failed.
- [Accident 19831108059459A](https://openairdocs.org/incident/19831108059459A), Nov 8, 1983: Gulstm 520 (N4116B), Clines Corners, NM, Destroyed, 1 fatal. Impacted at high velocity. Squall line low ceiling and rain in area. No ferry permit. Poorly maintained mechanically.
- [Incident 19830919063199I](https://openairdocs.org/incident/19830919063199I), Sep 19, 1983: Gulstm 520 (N4164B), Addison, TX, Minor damage. Left main gear collapsed on the landing roll. Visual inspection showed no cause. Gear to be inspected.
- [Accident 19811119075749A](https://openairdocs.org/incident/19811119075749A), Nov 19, 1981: Rkwell 520 (N5574V), Belize, Bahamas, Substantial damage, 1 fatal. Pilot attempting landing at night on unmarked runway. Aircraft hit tree and crashed. Probable illegal drug flight.
- [Accident 19811023080439A](https://openairdocs.org/incident/19811023080439A), Oct 23, 1981: Rkwell 520 (N4162B), Cabo Rojo, Puerto Rico, Substantial damage. Aircraft found abondoned on sand strip with substantial damage. Probable illegal drug flight.
- [Accident 19811016067989A](https://openairdocs.org/incident/19811016067989A), Oct 16, 1981: Rkwell 520 (N2605B), Biloxi, MS, Substantial damage. Fuel leaked into cabin from improperly repaired fuel cell. Fire erupted on final, burned gear lines. Landed gear up
- [Accident 19810701063829A](https://openairdocs.org/incident/19810701063829A), Jul 1, 1981: Rkwell 520 (N167L), Guadalajara, Mexico, Substantial damage. Aircraft crashed after engines quit due to fuel exhaustion.
- [Incident 19800629056889I](https://openairdocs.org/incident/19800629056889I), Jun 29, 1980: Rkwell 520 (N4186B), Duette, FL, Minor damage. Rn out of fuel. Had flown five hours.
- [Incident 19790926049489I](https://openairdocs.org/incident/19790926049489I), Sep 26, 1979: Rkwell 520 (N359T), San Francisco, CA, Minor damage. Pilot scraped wingtip on a fence during taxi turn in an unfamiliar area.
- [Incident 19790630018049I](https://openairdocs.org/incident/19790630018049I), Jun 30, 1979: Rkwell 520 (N2624B), St Thomas, U.S. Virgin Islands, Minor damage. Pilot unable to extend nose gear for landing. Found faulty steering actuator
- [Incident 19790628017749I](https://openairdocs.org/incident/19790628017749I), Jun 28, 1979: Rkwell 520 (N2614B), Hollywood, FL, Minor damage. Nose gear collapsed on rollout, no malfunction found.
- [Accident 19790304004079A](https://openairdocs.org/incident/19790304004079A), Mar 4, 1979: Rkwell 520 (N4178B), LA, Destroyed. Acft lost an engine 200 miles south of new orleans. Ditched in the ocean.
- [Accident 19790118001039A](https://openairdocs.org/incident/19790118001039A), Jan 18, 1979: Rkwell 520 (N4180B), Vichy, MO, Substantial damage. Pilot made precautionary landing due to ice on windshield, unable to see snowbank on side of runway.
- [Incident 19790101000439I](https://openairdocs.org/incident/19790101000439I), Jan 1, 1979: Rkwell 520 (N7834), Miami, FL, Minor damage. Nose gear collapsed on landing roll.
- [Incident 19781226020579I](https://openairdocs.org/incident/19781226020579I), Dec 26, 1978: Rkwell 520 (N200), Minneapolis, MN, Minor damage. Pilot unable to transmit due to broken mike cord wire. Pilot unable to extend left main due to missing bolt.
- [Accident 19771029033169A](https://openairdocs.org/incident/19771029033169A), Oct 29, 1977: Rkwell 520 (N4178B), Lamar, MO, Substantial damage
- [Accident 19770401013409A](https://openairdocs.org/incident/19770401013409A), Apr 1, 1977: Rkwell 520 (N2636B), FL, Substantial damage
- [Accident 19761207040499A](https://openairdocs.org/incident/19761207040499A), Dec 7, 1976: Rkwell 520 (N4178B), St Paul, MN, Substantial damage. Right gear light did not indicate green light prior to landing.
- [Accident 19741212040899A](https://openairdocs.org/incident/19741212040899A), Dec 12, 1974: Rkwell 520 (N4150B), Bahia De L.A., Substantial damage. Invest under jurisdiction of govt of Mexico.
- [Accident 19740607024789A](https://openairdocs.org/incident/19740607024789A), Jun 7, 1974: Rkwell 520 (N719Z), Santee, CA, Destroyed, 1 fatal. Acft observed to fly into clouds after tkof,later emerged fm clouds and entered l spin.
- [Accident 19740223005149A](https://openairdocs.org/incident/19740223005149A), Feb 23, 1974: Rkwell 520 (N144X), Oxford, IN, Substantial damage. Fuel cap off,fuel siphoning occrd. Rubberized gas tank bladder drawn up. Rplcmnt within 200HR pub AD
- [Accident 19730825041579A](https://openairdocs.org/incident/19730825041579A), Aug 25, 1973: Rkwell 520 (N2634B), Michigan City, IN, Destroyed. Plt misunderstood fuel gage placard.
- [Accident 19730425008569A](https://openairdocs.org/incident/19730425008569A), Apr 25, 1973: Rkwell 520 (N4131B), Stan C, Substantial damage. Investigation under jurisdiction of govt of british honduras.
- [Accident 19730307004759A](https://openairdocs.org/incident/19730307004759A), Mar 7, 1973: Rkwell 520 (N7324), Central Mills, AL, Destroyed. One side of locking arm of r fuel cap bkn off,rust in break. Red fuel stains on wing and fuselage.
- [Accident 19730202001359A](https://openairdocs.org/incident/19730202001359A), Feb 2, 1973: Rkwell 520 (N158V), Littleton, CO, Substantial damage. Fuel gages indcd 15 and 17GALS rmng. Un reach rwy.

## Service difficulty reports (1)

As reported by operators and repair stations, by the model named in the report.

- [SDR DXTA2013120905597](https://openairdocs.org/sdr/DXTA2013120905597), Dec 10, 2013: UNKNOWN. MALFUNCTIONED. AMBER CAS RT ENG EXCEEDANCE PRIOR TO TAKEOFF. ATMOSPHERIC CONDITIONS ON THE GND WERE PRODUCING FREEZING FOG. TEMP DEW POINT -3C -3C. ENG INDICATIONS DURING STAR

## STCs that may be installed (OpenAirDocs) (148, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc
- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc
- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA02532AT](https://openairdocs.org/stc/SA02532AT): Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft. Michelin North America Inc
- [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine
- [STC SA00756DE](https://openairdocs.org/stc/SA00756DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Sensor. Peregrine
- [STC SA02010WI](https://openairdocs.org/stc/SA02010WI): Installation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD). Mid-Continent Instruments and Avionics
- [STC SA1904WE](https://openairdocs.org/stc/SA1904WE): Installation of Vibration Isolation Products (VIP) engine mount P/N VIP-50804-10 on various aircraft as shown on FAA Approved Model List (AML) No. SA1904WE. FTG, Inc
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA09902AC](https://openairdocs.org/stc/SA09902AC): Installation of BendixKing KFD 900 Flight Display System. Honeywell International Inc. (Bendix King)
- [STC SA11174SC PAGE 2](https://openairdocs.org/stc/SA11174SC%20PAGE%202): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA10822SC](https://openairdocs.org/stc/SA10822SC): Installation of EFD1000 Primary Flight Display. Aspen Avionics Inc
- [STC SA02426AK](https://openairdocs.org/stc/SA02426AK): Approval of the FreeFlight FDL-978-TX ADS-B system installed. FreeFlight Systems
- [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA00344BO PAGE 2](https://openairdocs.org/stc/SA00344BO%20PAGE%202): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA615EA](https://openairdocs.org/stc/SA615EA): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. Whelen Aerospace Technologies
- [STC SA00744DE](https://openairdocs.org/stc/SA00744DE): Installation of the Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT31 Transponder and an approved position sensor. Peregrine
- [STC SA00765DE](https://openairdocs.org/stc/SA00765DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor. Peregrine
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA02153LA-D PAGE 2](https://openairdocs.org/stc/SA02153LA-D%20PAGE%202): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA02503AK](https://openairdocs.org/stc/SA02503AK): Installation of AMSAFE State of the Art Restraint System (SOARS) inflatable restraints. AMSAFE Inc
- [STC SA02013CH](https://openairdocs.org/stc/SA02013CH): Installation of Avidyne Corporation Traffic Advisory System (TAS). Avidyne Corporation
- [STC SA01835WI](https://openairdocs.org/stc/SA01835WI): Installation of Trig Avionics TY-96 or TY-97 VHF Communications Radio. Peregrine
- [STC SA00024NY](https://openairdocs.org/stc/SA00024NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K007 on single or multi-engine fixed wing light aircraft incorporating Lycoming reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation
- [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc
- [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC
- [STC SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments
- [STC SA00382BO](https://openairdocs.org/stc/SA00382BO): Installation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanes. Avidyne Corporation
- [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release). Avidyne Corporation
- [STC SA00352BO PAGE 2](https://openairdocs.org/stc/SA00352BO%20PAGE%202): Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),. Avidyne Corporation
- [STC SA4-1414](https://openairdocs.org/stc/SA4-1414): Installed Brittain Industries, Inc., B2D Flight Control System. Brittain Industries, Inc
- [STC SA00149BO](https://openairdocs.org/stc/SA00149BO): Installation of Aircraft Components, Inc. Volt and Vac Alert System, P/N 2044-1. Aircraft Components Inc

All 148: https://openairdocs.org/model/aero-commander-520/stcs.md

---
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.
