# Martin 404

- Type: Aircraft model (FAA registry)
- Registry code: 5450702
- Manufacturer (registry): MARTIN
- Model: 404
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Reciprocating
- Seats: 52
- Weight class: 20,000 lb and over
- Cruise speed: 210 mph
- Certification: Type certificated
- Data sheet: [TCDS 1A7](https://openairdocs.org/tcds/1A7) (OpenAirDocs)
- Holder: Martin-Marietta Corporation
- Registered aircraft: 5
- Page: https://openairdocs.org/model/martin-404

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 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 77-17-12](https://openairdocs.org/ad/77-17-12): Wing Spar Chord Splice Joints · Martin-Marietta 404. Effective Aug 30, 1977
- [AD 71-09-06](https://openairdocs.org/ad/71-09-06): Cracks In Main Gear Gland Nut · Martin-Marietta 202, 202A and 404. Effective May 4, 1971
- [AD 67-19-04](https://openairdocs.org/ad/67-19-04): Engine Mount · Martin-Marietta 202, 202A and 404. Effective Jun 20, 1967
- [AD 67-14-06](https://openairdocs.org/ad/67-14-06): Wing Inspection · Martin-Marietta 202, 202A and 404. Effective Apr 28, 1967
- [AD 66-19-03](https://openairdocs.org/ad/66-19-03): Landing Gear Cylinder Strut · Martin-Marietta 404. Effective Aug 19, 1966
- [AD 66-08-04](https://openairdocs.org/ad/66-08-04): Nose Landing Gear · Martin-Marietta 202, 202A and 404. Effective Apr 10, 1966
- [AD 64-03-03](https://openairdocs.org/ad/64-03-03): Blades · Boeing DC-6, DC-6A, DC-6B and 26 more. Effective Mar 1, 1964
- [AD 63-24-02](https://openairdocs.org/ad/63-24-02): Wing Spar Caps And Eal Doublers · Martin-Marietta 202, 202A and 404. Effective Nov 21, 1963
- [AD 63-13-04](https://openairdocs.org/ad/63-13-04): Landing Gear Piston/Axle Assembly · Martin-Marietta 404. Effective Jul 15, 1963
- [AD 61-01-02](https://openairdocs.org/ad/61-01-02): Martin-Marietta 202, 202A and 404. Effective Jan 6, 1961
- [AD 60-10-07](https://openairdocs.org/ad/60-10-07): Upper Nose Gear Torque Arm · Martin-Marietta 202, 202A and 404
- [AD 60-07-06](https://openairdocs.org/ad/60-07-06): Landing Gear Lock Plunger · Martin-Marietta 404
- [AD 57-06-02](https://openairdocs.org/ad/57-06-02): Engine Mount Stud · Martin-Marietta 202, 202A and 404
- [AD 57-03-04](https://openairdocs.org/ad/57-03-04): Zone Iii Fire Protection · Martin-Marietta 202, 202A and 404
- [AD 56-24-02](https://openairdocs.org/ad/56-24-02): Carburetors · Kelowna Flightcraft R & D 240 Series, 340, 440 and 2 more
- [AD 56-09-02](https://openairdocs.org/ad/56-09-02): Rudder Torque Tube Rivets · Martin-Marietta 202, 202A and 404
- [AD 55-20-03](https://openairdocs.org/ad/55-20-03): Nose Gear Steering Shaft · Martin-Marietta 202, 202A and 404
- [AD 55-16-02](https://openairdocs.org/ad/55-16-02): Fire Resistant Prop. Feathering Lines · Martin-Marietta 202, 202A and 404
- [AD 54-12-01](https://openairdocs.org/ad/54-12-01): Landing Gear Oleo Drag Struts · Martin-Marietta 404
- [AD 54-08-01](https://openairdocs.org/ad/54-08-01): Nose Gear Piston And Work Assembly · Martin-Marietta 202, 202A and 404
- [AD 52-16-02](https://openairdocs.org/ad/52-16-02): Propeller Reversing Rework · Martin-Marietta 404

Historical (superseded or no longer in force):

- [AD 74-08-09 R2](https://openairdocs.org/ad/74-08-09-R2) (historical): Waste Receptacles · Aero Spacelines 377, 377MG, 377SGT and 268 more. Effective Jul 29, 1996

## Registered aircraft (5)

- [N145S](https://openairdocs.org/aircraft/N145S): [Save A Connie Inc](https://openairdocs.org/faa-owner/SAVE%20A%20CONNIE%20INC), [Kansas City, MO](https://openairdocs.org/faa-place/MO/Kansas%20City), built 1952, S/N 14142
- [N259S](https://openairdocs.org/aircraft/N259S): [Glenn L Martin Aviation Museum Inc](https://openairdocs.org/faa-owner/GLENN%20L%20MARTIN%20AVIATION%20MUSEUM%20INC), [Middle River, MD](https://openairdocs.org/faa-place/MD/Middle%20River), built 1964, S/N 14233
- [N450A](https://openairdocs.org/aircraft/N450A): [Mid Atlantic Air Museum](https://openairdocs.org/faa-owner/MID%20ATLANTIC%20AIR%20MUSEUM), [Reading, PA](https://openairdocs.org/faa-place/PA/Reading), built 1952, S/N 14141
- [N461M](https://openairdocs.org/aircraft/N461M): [Sheppard Harold Jr DBA](https://openairdocs.org/faa-owner/SHEPPARD%20HAROLD%20JR%20DBA), [Riverton, WY](https://openairdocs.org/faa-place/WY/Riverton), S/N 14227
- [N636X](https://openairdocs.org/aircraft/N636X): [404 Foundntion Inc](https://openairdocs.org/faa-owner/404%20FOUNDNTION%20INC), [Camarillo, CA](https://openairdocs.org/faa-place/CA/Camarillo), built 1952, S/N 14135

## STCs approved for it (226, first 50)

- [STC SA00061LA](https://openairdocs.org/stc/SA00061LA): Installation of JPI digital tachometer.. J P Instruments
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics International Inc.
- [STC SA00103WI](https://openairdocs.org/stc/SA00103WI): Installation of a heated windshield panel. Aviation Fabricators Inc
- [STC SA00161BO (2 OF 3](https://openairdocs.org/stc/SA00161BO%20(2%20OF%203): Installation of Avidyne Corporation FlightMax 700-00007-( ) EX500 Multi-Function Display.. Avidyne Corporation
- [STC SA00165BO](https://openairdocs.org/stc/SA00165BO): Installation of Avidyne Corporation Datalink Coupler, part number 700-00015-000 per Avidyne Corporation Master Document List, Document No. AVACP-006 dtd 1/2/93 or later FAA-approved revisions.. Avidyne Corporation
- [STC SA00228NY](https://openairdocs.org/stc/SA00228NY): Installation of Sky Harbour Aircraft Refinishing Ltd Ice Damage Prevention Plates.. Sky Harbour Aircraft Refinishing
- [STC SA00243BO (3 OF 5)](https://openairdocs.org/stc/SA00243BO%20(3%20OF%205)): Installation of Centurion Consulting, Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100), or without roll steering (p/n 0025-5200).. Icarus Avionics, LLC
- [STC SA00269BO](https://openairdocs.org/stc/SA00269BO): Installation of Avidyne Corporation TWX 670 Tactical Weather Detection System P/N 850-00026-000-( ) consisting of Avidyne Processor P/N 700-00033-000-( ), Sensor Systems Inc. Antenna P/N S72-1715-1 with doubler plate P/N S72-171530-1, and Avidyne Mounting Tray P/N 700-00034-000.. Avidyne Corporation
- [STC SA00281BO](https://openairdocs.org/stc/SA00281BO): Installation of Avidyne Corporation MLX770 MultiLink Broadcast Transceiver P/N 700-00163-( ), Sensor Systems Inc. Antenna P/N S67-1575-109, or equivalent, and optional Avidyne Mounting Tray P/N 700-00165-000. Avidyne Corporation
- [STC SA00290BO](https://openairdocs.org/stc/SA00290BO): Installation of Avidyne Corporation Part Number  700-00167-XXX Multi-Function Display and Mounting Tray Assembly Part Number 700-00168-XXX. 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 SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.. Whelen Aerospace Technologies
- [STC SA00352BO PAGE 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201): 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 SA00419NY](https://openairdocs.org/stc/SA00419NY): Installation of cockpit utility light.. Burns Richard G
- [STC SA00432SE](https://openairdocs.org/stc/SA00432SE): Installation of EGT 701 series fuel flow instrument.. J P Instruments
- [STC SA00556DE](https://openairdocs.org/stc/SA00556DE): Installation of a left-hand exhaust stack assembly.. Heliarc Welding Service Inc.
- [STC SA00571SE](https://openairdocs.org/stc/SA00571SE): Replacement of certain BF Goodrich pneumatic deicer boots.. SMR Technologies Inc
- [STC SA00680SE (3 OF 6](https://openairdocs.org/stc/SA00680SE%20(3%20OF%206): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.. Electronics International
- [STC SA00709LA](https://openairdocs.org/stc/SA00709LA): Installation of control wheel. Includes provisions only for a push-to-talk (PTT) switch. Separate FAA approval of PTT switch is required.. Trevor Burward-Hoy
- [STC SA00729SE](https://openairdocs.org/stc/SA00729SE): Installation of twin temperature indicating system with fuel flow in accordance with J.P. Instruments (JPI) Installation manual Report No. 760, Revision -, dated 7/20/99, or later FAA approved revision.. J P Instruments
- [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 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 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 SA00804SE](https://openairdocs.org/stc/SA00804SE): Installation of an engine failure indicator system, also referred to as a 'low Thrust Detector system.'. Advanced Aero Safety Inc.
- [STC SA00823CH](https://openairdocs.org/stc/SA00823CH): Installation of various de-icer wire harnesses.. SMR Technologies
- [STC SA00833WI](https://openairdocs.org/stc/SA00833WI): Installation of a seat headrest.. Aviation Fabricators Inc
- [STC SA00861SE](https://openairdocs.org/stc/SA00861SE): Installation of J.P. Instruments (JPI) fuel flow indicating system. J P Instruments
- [STC SA00944CH](https://openairdocs.org/stc/SA00944CH): Replace Janitrol combustion heater Model 81D94-X (XX) with C&D Associates combustion heater Model CD25K, CD35K, and CD45K. Hartzell Engine Technologies, LLC
- [STC SA01085LA](https://openairdocs.org/stc/SA01085LA): Installation of the VNS 1000 Voice Navigation System.. VNS Incorporated
- [STC SA01105WI-D (1 OF 2)](https://openairdocs.org/stc/SA01105WI-D%20(1%20OF%202)): Installation of Bendix/King KMD 550/850 Multi-Function Display System with Optional Traffic, Terrain and Weather Sensors.  This STC also is approved for some single-engine aircraft.  See SA01105WI-D (2 of 2).. Honeywell International Inc.
- [STC SA01114CH](https://openairdocs.org/stc/SA01114CH): Installation of P2 Incorporated 6600 Audio Advisory system. P2 Incorporated
- [STC SA01118WI](https://openairdocs.org/stc/SA01118WI): Installation of the Concorde FLA or VRSLA RG series batteries. Concorde Battery Corporation
- [STC SA01158WI](https://openairdocs.org/stc/SA01158WI): Installation of Aero Enhancements UV250-1 Supplemental Instrument Panel Lightning System.. Aero Enhancements Inc.
- [STC SA01205WI-D (1 OF 2)](https://openairdocs.org/stc/SA01205WI-D%20(1%20OF%202)): Installation of the KMD 250 Multi-Function Display System with Optional Internal VFR GPS and Optional Traffic and Weather Sensors.. Honeywell International Inc
- [STC SA01229SE PAGE 1](https://openairdocs.org/stc/SA01229SE%20PAGE%201): Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radios. Garmin International Inc
- [STC SA01280CH](https://openairdocs.org/stc/SA01280CH): Installation of Challenger Spin-On Oil Filters.(For Cessna 182 model, s/n 67042 and up) (For Cessna 421C model, s/n 1017 thru 1404). D & K Aviation
- [STC SA01420WI](https://openairdocs.org/stc/SA01420WI): Installation of Garmin GNS 430A / 530A COMM/NAV/GPS Systems.  Data required:  (1)  Scandinavian Avionics Design GmbH Drawing List 2027438-DL-02, Issue 2; or later EASA approved revisions.  (2)   Scandinavian Avionics Design GmbH Approved Aircraft Flight Manual Supplement, Doc. 2027438-AM-02A, Issue 1, and Doc. 2027438-AM-02B, Issue 2, both approved by EASA under approval No. EASA.A.S.01389 dated 07-09-2005, or later EASA approved revision.. Scandinavian Avionics Design GmbH
- [STC SA01436SE (1 OF 2)](https://openairdocs.org/stc/SA01436SE%20(1%20OF%202)): Cockpit sunvisor retrofit kit.. Rosen Sunvisor Systems LLC
- [STC SA01473SE (2 OF 5)](https://openairdocs.org/stc/SA01473SE%20(2%20OF%205)): Installation of a GTX 32 (mode C), GTX 33 (mode S), or GTX 33D (mode S with diversity) Remote Transponde. Garmin AT Inc.
- [STC SA01487SE (2 OF 5)](https://openairdocs.org/stc/SA01487SE%20(2%20OF%205)): Installation of a GDL 69 or GDL 69A XM Satellite Receiver in accordance with Garmin Supplemental Type Certificate Master Data List, P/N 005-C0217-00, Revision A, dated December 20, 2004, or later FAA approved revision.. Garmin AT Inc.
- [STC SA01487SE-D](https://openairdocs.org/stc/SA01487SE-D): Installation of a GDL 69 or GDL 69A XM Satellite Receiver. Garmin International Inc
- [STC SA01692SE  (PAGE 1 OF 2)](https://openairdocs.org/stc/SA01692SE%20%20(PAGE%201%20OF%202)): Installation of a Garmin GMX 200 Multi-Function Display. Garmin International Inc
- [STC SA01695SE (2 OF 5)](https://openairdocs.org/stc/SA01695SE%20(2%20OF%205)): Installation of an antenna. Garmin AT Inc.
- [STC SA01714WI (2 OF 2)](https://openairdocs.org/stc/SA01714WI%20(2%20OF%202)): 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 SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of  existing instrument panel lights dimmer control.. TCW Technologies, LLC
- [STC SA01828SE](https://openairdocs.org/stc/SA01828SE): Installation of J.P. Instruments (JPI) EDM-960 Primary Engine Data Management System. J. P. Instruments
- [STC SA01835WI](https://openairdocs.org/stc/SA01835WI): Installation of Trig Avionics TY-96 or TY-97 VHF Communications Radio. Peregrine
- [STC SA01860NY (3 OF 3)](https://openairdocs.org/stc/SA01860NY%20(3%20OF%203)): Installation of Graphic Engine Monitors (GEM) Models GEM-610 and GEMINI 1200.. Insight Instrument Corporation
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA01933LA-D (1 OF 2)](https://openairdocs.org/stc/SA01933LA-D%20(1%20OF%202)): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc

All 226: https://openairdocs.org/model/martin-404/stcs.md

## NTSB investigations (27)

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

- [NTSB DEN86FA175](https://openairdocs.org/ntsb/DEN86FA175), Jun 27, 1986: Martin 404 (N40443), Buffalo, WY, destroyed, 3 fatal
- [NTSB LAX82FA174](https://openairdocs.org/ntsb/LAX82FA174), May 15, 1982: Martin 404 (N40445), Madera, CA, destroyed
- [NTSB DCA80AA021](https://openairdocs.org/ntsb/DCA80AA021), Nov 16, 1979: Martin 404 (N40438), Tusayan, AZ, destroyed
- [NTSB FTW79FQG45](https://openairdocs.org/ntsb/FTW79FQG45), Jun 29, 1979: Martin 404 (N40408), Miami, TX, destroyed
- [NTSB UNK79X0102](https://openairdocs.org/ntsb/UNK79X0102), Nov 18, 1978: Martin 404 (N13415), Gulf Of Venezuela, Venezuela, destroyed
- [NTSB MIA75IM088](https://openairdocs.org/ntsb/MIA75IM088), Jun 16, 1975: Martin 404 (N40425), Key West, FL, incident, minor damage
- [NTSB MIA73AM023](https://openairdocs.org/ntsb/MIA73AM023), Aug 25, 1972: Martin 404 (N469M), Ft.Lauderdale, FL, substantial damage
- [NTSB MIA72IM084](https://openairdocs.org/ntsb/MIA72IM084), Feb 21, 1972: Martin 404 (N259S), Columbus, MS, incident, minor damage
- [NTSB MIA71AM045](https://openairdocs.org/ntsb/MIA71AM045), Dec 10, 1970: Martin 404 (N143S), Atlanta, GA, minor damage
- [NTSB DCA71AZ004](https://openairdocs.org/ntsb/DCA71AZ004), Oct 2, 1970: Martin 404 (N464M), Silver Plume, CO, destroyed, 30 fatal
- [NTSB MIA70AM093](https://openairdocs.org/ntsb/MIA70AM093), May 30, 1970: Martin 404 (N40412), Atlanta, GA, destroyed, 1 fatal
- [NTSB IAD70II043](https://openairdocs.org/ntsb/IAD70II043), Feb 10, 1970: Martin 404 (N40402), Rocky Mount, NC, incident, minor damage
- [NTSB OAK68D0232](https://openairdocs.org/ntsb/OAK68D0232), Dec 13, 1967: Cessna 210 (N450A), Oakland, CA, substantial damage
- [NTSB DIA67A0019](https://openairdocs.org/ntsb/DIA67A0019), May 19, 1967: Martin M-404 (N40414), Wilmington, NC, no damage
- [NTSB CHI67A0084](https://openairdocs.org/ntsb/CHI67A0084), Jan 7, 1967: Martin 404 (N478A), Cleveland, OH, substantial damage
- [NTSB MIA67A0058](https://openairdocs.org/ntsb/MIA67A0058), Nov 20, 1966: Martin M-404 (N40406), New Bern, NC, destroyed, 3 fatal
- [NTSB NYC67A0007](https://openairdocs.org/ntsb/NYC67A0007), Jul 9, 1966: Martin M-404 (N40446), Roanoke, VA, substantial damage
- [NTSB OAK66A0012](https://openairdocs.org/ntsb/OAK66A0012), Sep 19, 1965: Martin M-404 (N444A), San Jose, CA, no damage
- [NTSB MIA66I0005](https://openairdocs.org/ntsb/MIA66I0005), Jul 9, 1965: Martin M-404 (N40448), Winston Salem, NC, incident, minor damage
- [NTSB NYC65 0096](https://openairdocs.org/ntsb/NYC65%200096), Jan 21, 1965: Martin M-404 (N40448), Weyers Cave, VA, substantial damage
- [NTSB NYC65I0094](https://openairdocs.org/ntsb/NYC65I0094), Jan 9, 1965: Martin M-404 (N40415), Roanoke, VA, incident, minor damage
- [NTSB UNK64X0737](https://openairdocs.org/ntsb/UNK64X0737), Feb 29, 1964: Martin M-404 (N472M), Binghamton, NY, substantial damage
- [NTSB DCA64A0008](https://openairdocs.org/ntsb/DCA64A0008), Jul 2, 1963: Martin 404 (N449A), Rochester, NY, destroyed, 7 fatal
- [NTSB FTW63A0173](https://openairdocs.org/ntsb/FTW63A0173), Jun 17, 1963: Martin 404 (N145S), Baton Rouge, LA, substantial damage
- [NTSB MIA62A0062](https://openairdocs.org/ntsb/MIA62A0062), Aug 22, 1962: Martin 404 (N40401), Wilmington, NC, destroyed
- [NTSB MIA62A0055](https://openairdocs.org/ntsb/MIA62A0055), Aug 6, 1962: Martin 404 (N40415), Rocky Mount, NC, substantial damage
- [NTSB LAX62A0038](https://openairdocs.org/ntsb/LAX62A0038), Apr 17, 1962: Martin 404 (N40436), Lompoc, CA, substantial damage

## FAA accident and incident reports (8)

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

- [Accident 19860627082839A](https://openairdocs.org/incident/19860627082839A), Jun 27, 1986: Martin 404MARTIN (N40443), Buffalo, WY, Destroyed, 1 fatal. Failed to climb on takeoff. Overgrossed at a high density altitude. Pilot not properly rated, certificates revoked.
- [Incident 19831027068619I](https://openairdocs.org/incident/19831027068619I), Oct 27, 1983: Martin 404MARTIN (N982M), Miami, FL. Both engines momentarily lost power on climbout. Returned. Found all systems functioned normally.
- [Accident 19820515015909A](https://openairdocs.org/incident/19820515015909A), May 15, 1982: Martin 404MARTIN (N40445), Madera, CA, Destroyed. During climbout on ferry flight for maintenance, power failure occurred on both engines. Crashed returning to field
- [Incident 19810719070099I](https://openairdocs.org/incident/19810719070099I), Jul 19, 1981: Martin 404MARTIN (N40424), New Bedford, FL, Minor damage. Left engine rough on takeoff, cut power, returned. Found #7 cylinder exhaust port cracked.
- [Accident 19791116044299A](https://openairdocs.org/incident/19791116044299A), Nov 16, 1979: Martin 404MARTIN (N40438), Tusayan, AZ, Destroyed. Left engine auto-feathered on initial climb on takeoff. Unable maintain flight. Crash-landed. Cause undetermined.
- [Accident 19790629026109A](https://openairdocs.org/incident/19790629026109A), Jun 29, 1979: Martin 404MARTIN (N40408), Miami, TX, Destroyed. Ag acft struck terraced ground. Pilot blinded by sun and chemical on windshield.
- [Incident 19780102000529I](https://openairdocs.org/incident/19780102000529I), Jan 2, 1978: Martin 404MARTIN (N40436), Springfield, MO. Takeoff aborted due to loss of bmep indication. Found a loose canon plug.
- [Accident 19750616016199A](https://openairdocs.org/incident/19750616016199A), Jun 16, 1975: Martin 404MARTIN (N40425), Key West, FL, Substantial damage. NR2 eng hyd press line ruptured. Post flt test showed sluggish operation of eng fire ext syst.

## Service difficulty reports (53, newest 50)

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

- [SDR 2024FA0000433](https://openairdocs.org/sdr/2024FA0000433), May 26, 2024: ENGINE. POWER LOSS. ON DEPARTURE FROM KBFL, THE LEFT ENGINE LOST POWER SHORTLY AFTER TAKEOFF, THE ENGINE RETAINED PARTIAL POWER AND THE PROPELLER WAS NOT FEATHERED. THE PILOT IMMED
- [SDR 2023FA0000115](https://openairdocs.org/sdr/2023FA0000115), Jan 27, 2023: LANDING GEAR. INOPERATIVE. PILOT REPORTED RIGHT LANDING GEAR WOLD NOT EXTEND, WHEN SELECTED. THE EMERGENCY BLOW DOWN BOTTLE WAS ACTIVATED AND ALL GEARS CAME DOWN AND LOCKED.
- [SDR HTKA202001080000](https://openairdocs.org/sdr/HTKA202001080000), Nov 14, 2019: ENGINE. FAILED. ENGINE FAILED IN FLIGHT. NUMBER 1 CONNECTING ROD AND (CRANK END) PROTRUDING THROUGH TOP OF ENGINE CASE. RIGHT MAGNETO BROKEN OFF ITS MOUNT. THE ENGINE HAS BEEN 
- [SDR 2020FA0000006](https://openairdocs.org/sdr/2020FA0000006), Oct 28, 2019: ENGINE. MALFUNCTIONED. ENGINE DEVELOPED LOW OIL PRESSURE IN FLIGHT APPROX 20 PSI. REMOVED AND CLEANED OIL PRESSURE RELIEF PLUNGER. FOUND CARBON BITS IN OIL FROM CAVITY. ABOUT 20 HOURS
- [SDR HTKA2020010800001](https://openairdocs.org/sdr/HTKA2020010800001), Aug 16, 2019: ENGINE. FAILED. ENGINE FAILED IN FLIGHT. NR 5 AND NR 6 CONNECTING ROD (CRANK END) PROTRUDING THROUGH TOP OF ENGINE CASE. HOLES IN BOTH SIDES OF CASE BELOW NR 5 AND NR 6 CYLINDE
- [SDR DUFA20190619001](https://openairdocs.org/sdr/DUFA20190619001), Jun 15, 2019: CASE. CRACKED. WHILE ON A ONE MILE FINAL APPROACH, THE RIGHT HAND ENGINE DEVELOPED A SEVERE VIBRATION AND BEGAN TO LOSE POWER. THE AUXILIARY FUEL PUMP WAS SELECTED TO HIGH BUT
- [SDR DUFA20170330001](https://openairdocs.org/sdr/DUFA20170330001), Mar 28, 2017: LINE. FAILED. DEPARTED, SELECTED GEAR UP AND SHORTLY AFTER BEGAN TO GET A PETROLEUM ODOR IN THE CABIN. IMMEDIATELY AFTER THAT THE LEFT HYD FLOW ANNUNCIATOR LIGHT ILLUMINATED,
- [SDR DUFA20140506002](https://openairdocs.org/sdr/DUFA20140506002), May 6, 2014: HOSE. DETERIORATED. WHILE IN CRUISE FLIGHT, THE PILOT NOTICED THE LT ENG OIL PRESS DROPPING. ONCE THE OIL PRESS DROPPED BELOW THE GREEN ARC, SHUT DOWN THE LT ENG & CONTACTED CTR. D
- [SDR BGJA2014042300002](https://openairdocs.org/sdr/BGJA2014042300002), Apr 3, 2014: ALTERNATOR. FAILED. THE ACFT HAD TOTAL ELECTRICAL FAILURE DURING FLIGHT, DUE TO BOTH CHARGING SYSTEMS FAILING TOGETHER. RT ALTERNATOR FAILED DURING CRUISE, SHORTLY AFTER LT ALTERNA
- [SDR BGJA201404230001](https://openairdocs.org/sdr/BGJA201404230001), Apr 3, 2014: CLUTCH. FAILED. DURING FLIGHT, THE LT ENGINE ALTERNATOR STOPPED PRODUCING POWER DUE TO THE DRIVE CLUTCH SLIPPING. AFTER LANDING, REMOVED ALTERNATOR AND CHECKED THE DRIVE CLUTCH
- [SDR KY7A20131204001](https://openairdocs.org/sdr/KY7A20131204001), Dec 4, 2013: GASKET. FAILED. PRIOR TO DEPARTURE FROM DEN, THE PILOT REPORTED THAT THE LT PNEUMATIC PUMP WAS INOPERATIVE. MX REPLACED THE PNEUMATIC PUMP & THE ACFT DEPARTED, CRUISING AT FL20
- [SDR KY7A20120727002](https://openairdocs.org/sdr/KY7A20120727002), Jul 26, 2012: OIL SYSTEM. LOW PRESSURE. PILOT REPORTED THAT WHEN CONFIGURING THE ACFT FOR CRUISE FLIGHT THE LT ENGINE MANIFOLD PRESSURE DECREASED. PILOT NOTED THAT THE OIL PRESSURE WAS DECLINING AND S
- [SDR KY7A12052501](https://openairdocs.org/sdr/KY7A12052501), May 25, 2012: HINGE. CRACKED. NLG FAILED TO EXTEND DURING NORMAL OPERATIONS DURING TRAINING FLIGHT. FLIGHT CREW PERFORMED EMERGENCY LANDING GEAR EXTENSION PROCEDURES; NOSE GEAR EXTENDED AND 
- [SDR CA120227001](https://openairdocs.org/sdr/CA120227001), Feb 12, 2012: INDICATION SYS. SPLIT. (CAN) DURING SCHEDULED PRE-FLIGHT AUTO-FEATHER CHECKS, THE PILOTS REPORTED A TORQUE SPLIT OF 300 LB FT, NR 2 LAGGING. AFTER RETURNING TO THE RAMP, RETARDING & A
- [SDR 2010FA0000387](https://openairdocs.org/sdr/2010FA0000387), Apr 1, 2010: BRACKET. BROKEN. (H12R) PREFLIGHT CONTROL CHECKED GOOD, THE ELEVATOR WAS HITTING THE CONTROL STOPS, ON TAKEOFF THE ACFT HAD PARTIAL ELEVATOR CONTROL, ON LANDING THE ACFT HAD PAR
- [SDR KY7A14756](https://openairdocs.org/sdr/KY7A14756), Jul 6, 2009: CONTROL CABLE. WORN. ALL FOUR AILERON PRIMARY CONTROL CABLES FOUND WORN, SEVERING SEVERAL STRANDS AT WING STATION 50.021 WHERE IS PASSES IN FRONT OF THE OUTBOARD FLAP BELLCRANK. ONE
- [SDR KY7A14634A](https://openairdocs.org/sdr/KY7A14634A), Jun 5, 2009: LINE. FRACTURED. HYDRAULIC PRESSURE LINE FAILURE IN RIGHT WING LEADING EDGE BETWEEN FLOW VALVE AND FILTER HOUSING OCCURRED IN 90° BEND.
- [SDR KY7A14634](https://openairdocs.org/sdr/KY7A14634), Jun 5, 2009: LINE. FAILED. HYDRAULIC LINE FAILURE CAUSED TOTAL LOSS OF FLUID PREVENTING NORMAL GEAR EXTENSION. EMERGENCY BLOWDOWN FAILED DUE TO FAILURE OF PNEUMATIC LINE FAILURE AT BLOWDO
- [SDR 2009FA0000483](https://openairdocs.org/sdr/2009FA0000483), May 27, 2009: LINE. CRACKED. HYDRAULIC FLUID DEPLETION HAVE OCCURRED. (TWO WERE FLAP FAILURE TO EXTEND AND ONE THE LANDING GEAR HAD TO BE EXTENDED USING THE EMERGENCY EXTENSION SYS. THESE F
- [SDR GNB2009F00000](https://openairdocs.org/sdr/GNB2009F00000), May 26, 2009: SLEEVE. CRACKED. AFTER TAKEOFF, PILOT FELT ENGINE RUNNING ROUGH. ACFT RETURNED TO FIELD. MX DISCOVERED NR 2 CYLINDER UPPER DECK NOZZLE TUBE CRACKED. POSSIBLE WEAK WELD OF OUTSID
- [SDR M7JA2009030200001](https://openairdocs.org/sdr/M7JA2009030200001), Sep 13, 2008: ENGINE. MALFUNCTIONED. IN CRUISE FLIGHT THE CAPTAIN NOTICE A DROP IN THE RT ENGINE OIL PRESSURE WITH INCREASE IN OIL TEMP. THERE WAS NOT VIBRATION OR VISIBLE OIL LEAKS ON THE MENTION 
- [SDR DUFA20070002](https://openairdocs.org/sdr/DUFA20070002), Apr 10, 2007: STUD. SHEARED. WHILE ON APPROACH TO AIRPORT, THE PILOT NOTICED MANIFOLD PRESSURE DROPPING AS WELL AS OIL PRESSURE FROM THE RIGHT ENGINE. HE ALSO BEGAN TO FEEL A VIBRATION FROM
- [SDR DUFA041007001](https://openairdocs.org/sdr/DUFA041007001), Apr 10, 2007: STUD. SHEARED. WHILE ON APPROACH TO AIRPORT, THE PILOT NOTICED MANIFOLD PRESSURE DROPPING AS WELL AS OIL PRESSURE FROM THE RT ENGINE. HE ALSO BEGAN TO FEEL A VIBRATION FROM TH
- [SDR 2007FA0000226](https://openairdocs.org/sdr/2007FA0000226), Feb 20, 2007: ENGINE. FAILED. THIS ENGINE FAILED TO THE TERMINOLOGY OF CATASTROPHIC AT THE NR 1 AND NR 2 CYLINDER CONNECTING ROD LOCATIONS DURING A MAINTENANCE TEST FLIGHT WITHIN TEN MINUTES
- [SDR BAC001](https://openairdocs.org/sdr/BAC001), Aug 2, 2006: LINE. DISCONNECTED. PILOT REPORTED THAT WHILE IN CRUISE FLIGHT THE LEFT ENGINE FUEL FLOW SUDDENLY DROPPED OFF AND THE ENGINE BEGAN TO RUN ROUGH AND LOSE POWER. THE BOOST PUMP WAS S
- [SDR BAC005](https://openairdocs.org/sdr/BAC005), Aug 2, 2006: TUBE. DISCONNECTED. PILOT REPORTED THAT WHILE IN CRUISE FLIGHT THE LT ENGINE FUEL FLOW SUDDENLY DROPPED OFF AND THE ENGINE BEGAN TO RUN ROUGH AND LOSE POWER. THE BOOST PUMP WAS SEL
- [SDR BGJ2006F00000](https://openairdocs.org/sdr/BGJ2006F00000), Jan 6, 2006: CYLINDER. CRACKED. THE AIRCRAFT WAS IN CRUISE POWER CONFIGURATION. NR 5 CYLINDER BARREL ON RT ENGINE CRACKED AND SEPARATED APPROXIMATELY 3 INCHES FROM MOUNTING BASE IN THE BARREL 
- [SDR AU510002176](https://openairdocs.org/sdr/AU510002176), Dec 12, 2005: CONNECTOR. FAULTY. (AUS) RT MAIN LANDING GEAR DOWN MICROSWITCH WIRE CONNECTOR FAULTY. SUSPECT CONNECTOR WAS NOT AN APPROVED ITEM. (OTHER CAUSE: MAINTENANCE CONTROL ISSUE ) (CASA N
- [SDR AU510001970](https://openairdocs.org/sdr/AU510001970), Dec 12, 2005: HUB. CORRODED. PROPELLER HUB CORRODED BEYOND LIMITS IN BLADE SOCKET AREA.
- [SDR AU510001816](https://openairdocs.org/sdr/AU510001816), Dec 12, 2005: STUD. BROKEN. RT ENGINE NR 5 CYLINDER HOLD-DOWN STUDS (2OFF) BROKEN OFF FLUSH WITH THE CYLINDER BASE.
- [SDR AU510001799](https://openairdocs.org/sdr/AU510001799), Dec 12, 2005: SWITCH. UNSERVICEABLE. (AUS) RT MAIN LANDING GEAR UPLOCK MICROSWITCH FAILED. SWITCH HAD ONLY 54.5 HOURS OPERATION SINCE REPLACEMENT. (CASA NR 510001799)
- [SDR AU510001730](https://openairdocs.org/sdr/AU510001730), Dec 12, 2005: BEARING. COLLAPSED. RT ENG DRIVEN ALT FAILED. ALT DRIVE COUPLING SHEARED AND ALT FRONT BEARING COLLAPSED. RED ELASTOMER MAT`L FROM ALT DRIVE COUPLING AND MINOR METALLIC PARTICLES V
- [SDR AU510001695](https://openairdocs.org/sdr/AU510001695), Dec 12, 2005: BEARING. DAMAGED. ENGINE METAL CONTAMINATION. BULK STRIP FOUND THAT THE TWO REARMOST MAIN BEARINGS WERE DAMAGED. INSPECTION OF THE CRANKSHAFT IN THE VICINITY OF THE TWO REARMOST 
- [SDR AU510001619](https://openairdocs.org/sdr/AU510001619), Dec 12, 2005: HEATER. FAULTY. (AUS) CABIN HEATER FAULTY. SMOKE IN CABIN. INVESTIGATION FOUND THE FORWARD VENT BLOWER INOPERATIVE DUE MOTOR BRUSH HANGUP. INSPECTION OF THE HEATER FOUND DISCOL
- [SDR AU510001530](https://openairdocs.org/sdr/AU510001530), Dec 12, 2005: UPLOCK SWITCH. FAILED. LT MAIN LANDING GEAR UPLOCK MICROSWITCH FAULTY.
- [SDR AU510001489](https://openairdocs.org/sdr/AU510001489), Dec 12, 2005: BEARING. FAILED. (AUS) ENGINE METAL CONTAMINATION. WORKSHOP STRIP AND INVESTIGATION FOUND NR 2 AND NR 3 MAIN BEARINGS FAILED. BEARING SHELLS BROKE UP CAUSING DAMAGE TO CRANKCASE
- [SDR AU510001447](https://openairdocs.org/sdr/AU510001447), Dec 12, 2005: BOLT. BROKEN. (AUS) ENGINE INTERNAL DAMAGE. SUSPECT CAUSED BY FAILURE OF NR 5 CONNECTING ROD BOLT OR CONNECTING ROD. INVESTIGATION CONTINUING.
- [SDR AU510001529](https://openairdocs.org/sdr/AU510001529), Sep 6, 2005: UPLOCK SWITCH. DAMAGED. LT MAIN LANDING GEAR MICROSWITCH DAMAGED INTERNALLY.
- [SDR AU510002082](https://openairdocs.org/sdr/AU510002082), Aug 11, 2005: CIRCUIT CARD. FAILED. GPS DATA CARD FAILED.
- [SDR 2005FA0000621](https://openairdocs.org/sdr/2005FA0000621), Apr 11, 2005: CONTROL CABLE. DAMAGED. DURING INSPECTION, FOUND CABLE TO BE BLENDED AT FAIRLEAD APPROX 6 INCHES FROM AFT END OF CABLE. PROBABLE CAUSE FROM NEW STYLE (STAINLESS STEEL) CABLE. NEW STYLE
- [SDR AU510001856](https://openairdocs.org/sdr/AU510001856), Mar 6, 2005: SWITCH. FAILED. LT ENGINE STARTER SWITCH FAILED. SWITCH REMAINED ENGAGED.
- [SDR GNB2005F00003](https://openairdocs.org/sdr/GNB2005F00003), Jan 11, 2005: LINE. CORRODED. FAILED HYDRAULIC PRESSURE CHECK. LINE LAYING ON DUCTING FOR HEATING CAUSING CORROSION TO FORM. (SW01200502894) (K)
- [SDR 2004F00429](https://openairdocs.org/sdr/2004F00429), Nov 29, 2004: SENSOR. BURNED OUT. WHILE IN CRUISE FLIGHT, THE PILOT NOTICED SPARKS COMING FROM THE LEFT ENGINE FORWARD COWL AREA. AS A PRECAUTION, THE ENGINE WAS SHUTDOWN AND SECURED. THE AIRCRA
- [SDR 2004FA0000839](https://openairdocs.org/sdr/2004FA0000839), Oct 14, 2004: SPAR CAP. CORRODED. DURING OUR INITIAL INSPECTION OF THIS AIRCRAFT, DISCOVERED SEVERE INTERGRANULAR CORROSION ON UPPER AND LOWER REAR SPAR CAPS. THE AREA OF CORROSION IS LOCATED IN
- [SDR 2004FA0000838](https://openairdocs.org/sdr/2004FA0000838), Oct 14, 2004: SPAR CAP. CORRODED. DURING OUR INITIAL INSPECTION OF THIS AIRCRAFT, DISCOVERED SEVERE INTERGARNULAR CORROSION ON UPPER AND LOWER REAR SPAR CAPS. THE AREA OF CORROSION IS LOCATED IN
- [SDR EAT2003F00000](https://openairdocs.org/sdr/EAT2003F00000), Feb 1, 2003: SPAR. DAMAGED. DURING A REPAIR FOR A EXHAUST BRACKET AND LOWER SKIN REPAIRS ON THE LEFT ENGINE NACELLE HEAT DAMAGE WAS FOUND ON THE LFET FORWARD SPAR BETWEEN WING STA CWS88-10
- [SDR J7H2002F00000](https://openairdocs.org/sdr/J7H2002F00000), Sep 1, 2002: CRANKCASE. CRACKED. THREE FACTORY NEW ENGINE CRANK CASE CRACKED JUST OVER ONE THOUSAND HOURS OF OPERATIONS, DURING NORMAL OPERATIONS. THE LAST ENGINE CRANK CASE CRACKED AT 1034 AND
- [SDR GNB2002F00001](https://openairdocs.org/sdr/GNB2002F00001), May 30, 2002: CONTROL CABLE. DAMAGED. DURING FUSELAGE INSPECTION FORWARD LEFT RUDDER CABLE BLENDED WERE THE CABLE WEST THRU A RIB WHICH HAD A FANALIC BLOCK ON RIB FOR ANTI-CHAFE PROTECTION.
- [SDR 2001FA0000062](https://openairdocs.org/sdr/2001FA0000062), Jun 11, 2001: CONTROL CABLE. INOPERATIVE. LEFT HAND AFT AILERON CABLE. PN 5815103-26CR ( BLENDED )
- [SDR 2001FA0000061](https://openairdocs.org/sdr/2001FA0000061), Jun 11, 2001: LINK. BENT. LINK ASSEMBLY DRAG. PN 0842122-19

All 53: https://openairdocs.org/model/martin-404/reports.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Cessna 404](https://openairdocs.org/model/cessna-404): 26 registered aircraft, registry code 2075901
- [Johnson Philip B 404](https://openairdocs.org/model/johnson-philip-b-404): 1 registered aircraft, registry code 056231G
- [David R Dantonio 404](https://openairdocs.org/model/david-r-dantonio-404): 1 registered aircraft, registry code 05632AV

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