Type Record · As of May 3, 2026
BOEING 204
Fixed Wing Single Engine · P & W W-A-B-C-D
Registered
2
Year Range
1929–1929
NTSB Events
0
Airworthiness Directives
36
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered BOEING 204 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- VA 100.0% 2
By Decade of Manufacture
- 1920s 50.0% 1
- Unknown 50.0% 1
02 / NTSB Records
Events involving BOEING 204 aircraft
No NTSB-recorded events match BOEING 204 in the indexed corpus.
02c / Academic Research
Scholarly work mentioning BOEING 204
Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.
- NASA NTRS 2024 · Conference Paper
Development Strategies for Uncertainty Quantification to Enable Aircraft Certification by Analysis
Aircraft Certification by Analysis (CbA) is a broad term that describes the process by which engineering analysis tools are used to supplement flight testing to demonstrate compliance with regulatory …
- NASA NTRS 2023 · Presentation
Subsonic Single Aft Engine (SUSAN) Flight Deck Experiment: Throttle and Engine Display Concepts
NASA is developing a new hybrid-electric aircraft concept called the SUbsonic Single Aft eNgine (SUSAN) Electrofan. The SUSAN airplane is being designed as a 180-passenger commercial regional jet and …
- Embry-Riddle Scholarly Commons 2023 · Conference paper
The Value of Strong Partnerships to Build a Successful Aviation Maintenance Career Pathway Program for Transitioning Military Service Members
The aerospace industry is competing with other industries for a qualified workforce, and many of those competing industries are investing heavily in creating workforce development pipelines.
- Embry-Riddle Scholarly Commons 2017 · Conference paper
Assessing General Aviation Pilots' Weather Knowledge and Self-Efficacy
While accident trends in General Aviation (GA) have decreased overall, accidents rates involving weather have remained relatively consistent over the past 10 years.
- NASA NTRS 2011 · Reprint (Version printed in journal)
Analysis of accidents during instrument approaches
General aviation and air taxi approach phase accidents, which occurred during VFR and IFR, respectively over the last 25 years, were analyzed.
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to BOEING 204
36 directive(s) on file. Showing the most recent 25 · 11 more in the Federal Register.
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Nov 7, 2024
Airworthiness Directives; Safran Aerosystems (Formerly AVOX Systems Inc.; Scott Aviation) Oxygen Cylinder and Valve Assemblies, and Oxygen Valve Assemblies
The FAA is correcting an airworthiness directive (AD) that was published in the Federal Register. That AD applies to certain Safran Aerosystems oxygen cylinder and valve assemblies, and oxygen valve assemblies, installed on but not limited to various transport airplanes. As published, the AD number of the AD being rem…
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Oct 22, 2024
Airworthiness Directives; Safran Aerosystems (Formerly AVOX Systems Inc.; Scott Aviation) Oxygen Cylinder and Valve Assemblies, and Oxygen Valve Assemblies
The FAA is superseding Airworthiness Directive (AD) 2023-13- 11, which applied to certain AVOX Systems Inc. (formerly Scott Aviation) oxygen cylinder and valve assemblies, and oxygen valve assemblies, installed on but not limited to various transport airplanes. AD 2023-13-11 required inspecting the oxygen valve assemb…
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Mar 25, 2024
Airworthiness Directives; AVOX Systems Inc. (Formerly Scott Aviation) Oxygen Cylinder and Valve Assemblies; and Oxygen Valve Assemblies
The FAA proposes to supersede Airworthiness Directive (AD) 2023-13-11, which applies to certain AVOX Systems Inc. (formerly Scott Aviation) oxygen cylinder and valve assemblies; and oxygen valve assemblies; installed on but not limited to various transport airplanes. AD 2023-13-11 requires an inspection of the oxygen…
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Aug 1, 2023
Airworthiness Directives; AVOX Systems Inc. (Formerly Scott Aviation) Oxygen Cylinder and Valve Assemblies; and Oxygen Valve Assemblies
The FAA is superseding Airworthiness Directive (AD) 2022-04- 09, which applied to certain AVOX Systems Inc. (formerly Scott Aviation) oxygen cylinder and valve assemblies; and oxygen valve assemblies; installed on but not limited to various transport airplanes. AD 2022-04-09 required an inspection of the oxygen valve…
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Jan 27, 2023
Airworthiness Directives; AVOX System Inc. (formerly Scott Aviation) Oxygen Cylinder and Valve Assemblies; and Oxygen Valve Assemblies
The FAA proposes to supersede Airworthiness Directive (AD) 2022-04-09, which applies to certain AVOX System Inc. (formerly Scott Aviation) oxygen cylinder and valve assemblies; and oxygen valve assemblies; installed on but not limited to various transport airplanes. AD 2022-04-09 requires an inspection of the oxygen v…
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Feb 28, 2022
Airworthiness Directives; AVOX System Inc. (Formerly Scott Aviation) Oxygen Cylinder and Valve Assemblies and Oxygen Valve Assemblies
The FAA is adopting a new airworthiness directive (AD) for certain AVOX System Inc. (formerly Scott Aviation) oxygen cylinder and valve assemblies, and oxygen valve assemblies, installed on but not limited to various transport airplanes. This AD was prompted by reports of cylinder and valve assemblies having oxygen le…
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May 1, 2020
Airworthiness Directives; AVOX System Inc. (formerly Scott Aviation) Oxygen Cylinder and Valve Assemblies; and Oxygen Valve Assemblies
The FAA proposes to adopt a new airworthiness directive (AD) for certain AVOX System Inc. (formerly Scott Aviation) oxygen cylinder and valve assemblies; and oxygen valve assemblies; installed on but not limited to various transport airplanes. This proposed AD was prompted by reports of cylinder and valve assemblies h…
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May 3, 2016
Airworthiness Directives; Airbus Airplanes
We propose to adopt a new airworthiness directive (AD) for all Airbus Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300- 600 series airplanes), and Model A310 series airplanes. This proposed AD was prompted by fuel system reviews conduc…
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Sep 16, 2015
Airworthiness Directives; The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777 airplanes. This AD was prompted by reports of latently failed fuel shutoff valves discovered during fuel filter replacement. This AD requires revising the maintenance or inspection program to include a new airworthiness limitat…
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Aug 25, 2014
Airworthiness Directives; Honeywell ASCa Inc. Emergency Locator Transmitters Installed on Various Transport Category Airplanes
We are superseding Airworthiness Directive (AD) 2013-18-09 for certain Honeywell ASCa Inc. emergency locator transmitters (ELTs) installed on various transport category airplanes. AD 2013-18-09 required various one-time general visual inspections of the ELT transmitter units (TUs), and corrective actions if necessary.…
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Jan 10, 2014
Airworthiness Directives; The Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 777 airplanes. This proposed AD was prompted by reports of latently failed fuel shutoff valves discovered during fuel filter replacement. This proposed AD would require revising the maintenance or inspection program to include a ne…
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Sep 18, 2013
Airworthiness Directives; Honeywell ASCa Inc. Emergency Locator Transmitters Installed on Various Transport Category Airplanes
We are adopting a new airworthiness directive (AD) for certain Honeywell ASCa Inc. emergency locator transmitters (ELTs) installed on various transport category airplanes. This AD requires various one-time general visual inspections of the ELT transmitter units (TUs), and corrective actions if necessary. This AD was p…
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Sep 4, 2013
Airworthiness Directives; The Boeing Company Airplanes
We are superseding airworthiness directive (AD) 90-23-14 for certain The Boeing Company Model 747 series airplanes. AD 90-23-14 required inspections of the fuselage skin lap splice between body station (BS) 340 and BS 400 at stringers (S)-6L and S-6R, and repair if necessary. This new AD adds new repetitive inspection…
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May 3, 2013
Airworthiness Directives; The Boeing Company Airplanes
We propose to supersede an existing airworthiness directive (AD) that applies to certain The Boeing Company Model 747 series airplanes. The existing AD currently requires inspection of the fuselage skin lap splice between body station (BS) 340 and BS 400 at stringers (S)-6L and S-6R, and repair, if necessary. Since we…
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Nov 15, 2012
Airworthiness Directives; Airbus Airplanes
We are adopting a new airworthiness directive (AD) for certain Airbus Model A300 B4-600 and A300 B4-600R, Model A300, and Model A310 series airplanes. This AD was prompted by reports of fatigue cracking in the crossbeams at the junction of the actuator beam of the lower deck cargo door. This AD requires repetitive ins…
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May 22, 2012
Airworthiness Directives; Airbus Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Airbus Model A300 B4-600 and A300 B4-600R, Model A300, and Model A310 series airplanes. This proposed AD was prompted by reports of fatigue cracking in the crossbeams at the junction of the actuator beam of the lower deck cargo door. This proposed AD w…
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Apr 7, 2011
Airworthiness Directives; The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP Series Airplanes
We propose to supersede an existing airworthiness directive (AD) that applies to the products listed above. The existing AD currently requires an inspection of the No. 2 and No. 3 windows on the left and right sides of the airplane to determine their part numbers, related investigative and corrective actions if necess…
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Apr 1, 2011
Airworthiness Directives; Sicma Aero Seat 9140, 9166, 9173, 9174, 9184, 9188, 9196, 91B7, 91B8, 91C0, 91C2, 91C4, 91C5, and 9301 Series Passenger Seat Assemblies; and Sicma Aero Seat 9501311-05, 9501301-06, 9501311-15, 9501301-16, 9501441-30, 9501441-33, 9501311-55, 9501301-56, 9501441-83, 9501441-95, 9501311-97, and 9501301-98 Passenger Seat Assemblies; Installed on Various Transport Category Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition…
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Jan 20, 2010
Airworthiness Directives; AVOX Systems and B/E Aerospace Oxygen Cylinder Assemblies, as Installed on Various Transport Airplanes
The FAA is revising an existing airworthiness directive (AD), which applies to certain AVOX Systems and B/E Aerospace oxygen cylinder assemblies, as installed on various transport airplanes. That AD currently requires removing certain oxygen cylinder assemblies from the airplane. This AD removes certain oxygen cylinde…
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Jan 13, 2010
Airworthiness Directives; Sicma Aero Seat 9140, 9166, 9173, 9174, 9184, 9188, 9196, 91B7, 91B8, 91C0, 91C2, 91C3, 91C4, 91C5, and 9301 Series Passenger Seat Assemblies; and Sicma Aero Seat 9501311-05, 9501301-06, 9501311-15, 9501301-16, 9501441-30, 9501441-33, 9501311-55, 9501301-56, 9501441-83, 9501441-95, 9501311-97, and 9501301-98 Passenger Seat Assemblies; Installed on Various Transport Category Airplanes
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the uns…
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Dec 2, 2009
Airworthiness Directives; AVOX Systems and B/E Aerospace Oxygen Cylinder Assemblies, as Installed on Various Transport Airplanes
We are adopting a new airworthiness directive (AD) for certain AVOX Systems and B/E Aerospace oxygen cylinder assemblies, as installed on various transport airplanes. This AD requires removing certain oxygen cylinder assemblies from the airplane. This AD was prompted by the reported rupture of a high-pressure gaseous…
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Jul 2, 2008
Airworthiness Directives; Boeing Model 767-200, -300, and -400ER Series Airplanes
We are adopting a new airworthiness directive (AD) for certain Boeing Model 767-200, -300, and -400ER series airplanes. This AD requires an inspection to determine the manufacturer and manufacture date of the oxygen masks in the passenger service units and the flight attendant and lavatory oxygen boxes, as applicable.…
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Mar 24, 2008
Airworthiness Directives; Goodrich Evacuation Systems Approved Under Technical Standard Orders (TSOs) TSO-C69, TSO-C69a, TSO-C69b, and TSO-C69c, Installed on Various Boeing, McDonnell Douglas, and Airbus Transport Category Airplanes
We are adopting a new airworthiness directive (AD) for certain Goodrich evacuation systems approved under Technical Standard Orders (TSOs) TSO-C69, TSO-C69a, TSO-C69b, and TSO-C69c, installed on certain Boeing, McDonnell Douglas, and Airbus transport category airplanes. For certain systems, this AD requires replacing…
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Jan 14, 2008
Airworthiness Directives; Boeing Model 767-200, -300, and -400ER Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 767-200, -300, and -400ER series airplanes. This proposed AD would require an inspection to determine the manufacturer and manufacture date of the oxygen masks in the passenger service units and the flight attendant and lavatory oxyg…
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Sep 21, 2007
Airworthiness Directives; Boeing Model 747 Airplanes
The FAA is correcting a typographical error in an existing airworthiness directive (AD) that was published in the Federal Register on July 30, 2007 (72 FR 41438). The error resulted in certain compliance times being mislabeled as units of flight cycles instead of flight hours. This AD applies to all Boeing Model 747 a…
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for BOEING 204
Advisory Circulars
ACs whose subject explicitly mentions BOEING or 204.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 2 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →