Type Record · As of May 3, 2026
MCDONNELL DOUGLAS 220
Fixed Wing Multi Engine · WESTINGHSE J34WE & J30D
Registered
1
NTSB Events
0
Airworthiness Directives
21
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered MCDONNELL DOUGLAS 220 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- TX 100.0% 1
By Decade of Manufacture
- Unknown 100.0% 1
02 / NTSB Records
Events involving MCDONNELL DOUGLAS 220 aircraft
No NTSB-recorded events match MCDONNELL DOUGLAS 220 in the indexed corpus.
02c / Academic Research
Scholarly work mentioning MCDONNELL DOUGLAS 220
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.
- Semantic Scholar 2023 · Article (JMIR mHealth and uHealth)
Clinical Study of a Wearable Remote Rehabilitation Training System for Patients With Stroke: Randomized Controlled Pilot Trial
Background In contrast to the large and increasing number of patients with stroke, clinical rehabilitation resources cannot meet their rehabilitation needs.
- arXiv 2021 · arXiv preprint
The promise of energy-efficient battery-powered urban aircraft
Improvements in rechargeable batteries are enabling several electric urban air mobility (UAM) aircraft designs with up to 300 miles of range with payload equivalents of up to 7 passengers.
- Embry-Riddle Scholarly Commons 2021 · Journal article (IJAAA)
Numerical Analysis of Aerospike Engine Nozzle Performance at Various Truncation Lengths
The aerospike engine was first devised in the early 1960s where it provided new means of reaching orbit in a single stage.
- Semantic Scholar 2014 · Article (Trials)
A pilot study of respiratory muscle training to improve cough effectiveness and reduce the incidence of pneumonia in acute stroke: study protocol for a randomized controlled trial
BackgroundAfter stroke, pneumonia is a relevant medical complication that can be precipitated by aspiration of saliva, liquids, or solid food.
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to MCDONNELL DOUGLAS 220
21 directive(s) on file. Showing the most recent 21.
-
Feb 23, 2009
Airworthiness Directives; General Electric Company CF6-80A, CF6-80C2, and CF6-80E1 Series Turbofan Engines
The FAA is superseding an existing airworthiness directive (AD) for General Electric Company (GE) CF6-80A, CF6-80C2, and CF6-80E1 series turbofan engines. That AD required revisions to the Airworthiness Limitations Section (ALS) of the manufacturer's Instructions for Continued Airworthiness (ICA) to include required i…
-
Oct 23, 2008
Airworthiness Directives; General Electric Company CF6-80A, CF6-80C2, and CF6-80E1 Series Turbofan Engines
The FAA proposes to supersede an existing airworthiness directive (AD) for General Electric Company (GE) CF6-80A, CF6-80C2, and CF6-80E1 series turbofan engines. That AD currently requires revisions to the Airworthiness Limitations Section (ALS) of the manufacturer's Instructions for Continued Airworthiness (ICA) to i…
-
Dec 12, 2006
Airworthiness Directives; McDonnell Douglas Model MD-11F Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain McDonnell Douglas Model MD-11F airplanes. This AD requires a general visual inspection for installation of conduit and chafing damage on the auxiliary power unit (APU) power feeder wires and the upper surface of the auxiliary fuel tank and repair if ne…
-
Sep 30, 2003
Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines
This amendment supersedes an existing airworthiness directive (AD), that is applicable to Pratt & Whitney (PW) models PW4050, PW4052, PW4056, PW4060, PW4060A, PW4060C, PW4062, PW4152, PW4156, PW4156A, PW4158, PW4160, PW4460, PW4462, and PW4650 turbofan engines. That AD currently requires interim actions to address eng…
-
Nov 26, 2002
Airworthiness Directives; McDonnell Douglas Model MD-11 and -11F Airplanes Equipped with Collins LRA-900 Radio Altimeters
This amendment supersedes an existing airworthiness directive (AD), applicable to certain McDonnell Douglas Model MD-11 series airplanes equipped with certain Collins LRA-900 radio altimeters, that currently requires a revision to the Airplane Flight Manual to prohibit autopilot coupled autoland operations in certain…
-
May 15, 2002
Airworthiness Directives; McDonnell Douglas Model MD-11 and -11F Airplanes Equipped With Collins LRA-900 Radio Altimeters
This document proposes the supersedure of an existing airworthiness directive (AD), applicable to McDonnell Douglas Model MD- 11 series airplanes equipped with certain Collins LRA-900 radio altimeters. That AD currently requires a revision to the Airplane Flight Manual to prohibit autopilot coupled autoland operations…
-
Apr 10, 2002
Airworthiness Directives; General Electric Company CF6-80A, CF6-80C2, and CF6-80E1 Series Turbofan Engines
This amendment supersedes an existing airworthiness directive (AD), that is applicable to General Electric Company (GE) CF6-80A, CF6- 80C2, and CF6-80E1 series turbofan engines. That AD currently requires revisions to the Life Limits Section of the manufacturer's Instructions for Continued Airworthiness (ICA) to inclu…
-
Oct 5, 2001
Airworthiness Directives; General Electric Company CF6-80A, CF6-80C2, and CF6-80E1 Series Turbofan Engines
The Federal Aviation Administration (FAA) proposes to supersede an existing airworthiness directive (AD), applicable to General Electric Company (GE) CF6-80A, CF6-80C2, and CF6-80E1 series turbofan engines, that currently requires revisions to the Life Limits Section of the manufacturer's Instructions for Continued Ai…
-
Jul 23, 2001
Airworthiness Directives; Boeing Model 747-100, 747-200B, 747-200C, 747-200F, 747SP, and 747SR Series Airplanes
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Boeing Model 747-100, 747- 200B, 747-200C, 747-200F, 747SP, and 747SR series airplanes. This proposal would require a one-time inspection for chafing of certain wire bundles behind the flight engineer's panel; repai…
-
Apr 26, 2001
Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes
This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC-8 series airplanes, that requires a one-time inspection to determine the manufacturer of the circuit breakers, and corrective action, if necessary. This amendment is prompted by reports of smoke and electrical od…
-
Mar 6, 2001
Airworthiness Directives; Pratt & Whitney JT9D Series Turbofan Engines
This amendment adopts a new airworthiness directive (AD) that is applicable to certain Pratt & Whitney (PW) JT9D series turbofan engines. This amendment requires initial and repetitive detailed eddy current inspections for cracks in 1st stage high pressure turbine (HPT) disks, and, if necessary, replacement with servi…
-
Sep 1, 2000
Airworthiness Directives; McDonnell Douglas Model DC-8 Series Airplanes
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model DC-8 series airplanes. This proposal would require a one-time inspection to determine the manufacturer of the circuit breakers, and corrective action, if necessary. This proposal is prompted…
-
May 12, 2000
Airworthiness Directives; McDonnell Douglas Model DC-10-10, -15, -30, -30F, and -40 Series Airplanes, and KC-10A (Military) Airplanes
This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC-10-10, -15, -30, -30F, and -40 series airplanes, and KC-10A (military) airplanes, that requires a one-time general visual inspection of circuit breakers to determine the manufacturer of the circuit breakers, and…
-
Mar 7, 2000
Airworthiness Directives; Pratt & Whitney JT9D Series Turbofan Engines
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Pratt & Whitney JT9D series turbofan engines. This proposal would require initial and repetitive detailed eddy current inspections for cracks in 1st stage high pressure turbine (HPT) disks, and, if necessary, replac…
-
Jan 26, 2000
Airworthiness Directives; McDonnell Douglas Model DC-10-10, -15, -30, -30F, and -40 Series Airplanes, and KC-10A (Military) Airplanes
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model DC-10-10, -15, -30, -30F, and -40 series airplanes, and KC-10A (military) airplanes. This proposal would require a one-time general visual inspection of circuit breakers to determine the manu…
-
Dec 2, 1998
Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes Equipped with Certain Collins LRA-900 Radio Altimeters
This document publishes in the Federal Register an amendment adopting airworthiness directive (AD) T98-24-51 that was sent previously to all known U.S. owners and operators of certain McDonnell Douglas Model MD-11 series airplanes by individual telegrams. This AD requires a revision to the Airplane Flight Manual to pr…
-
Nov 5, 1996
Airworthiness Directives; McDonnell Douglas Model DC-9 and Model DC-9-80 Series Airplanes, Model MD-88 Airplanes, and C-9 (Military) Series Airplanes Equipped With BFGoodrich Evacuation Slides
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model DC-9 and Model DC-9-80 series airplanes, Model MD-88 airplanes, and C-9 (military) series airplanes. This proposal would require modification of the girt and firing lanyard stowage. This prop…
-
Sep 8, 1995
Airworthiness Directives; General Electric Company CF6 Series Turbofan Engines
This amendment adopts a new airworthiness directive (AD), applicable to General Electric Company (GE) CF6-45/-50 series turbofan engines, that requires an initial and repetitive on-wing visual inspection of the side links of the five-link forward mount assembly for cracks, and replacement of the side links and pylon a…
-
Apr 6, 1995
Airworthiness Directives; General Electric Company CF6 Series Turbofan Engines
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to General Electric Company (GE) CF6- 45/-50 series turbofan engines. This proposal would require an initial and repetitive on-wing visual inspection of the side links of the five- link forward mount assembly for cracks, and r…
-
Dec 22, 1994
Airworthiness Directives; Airbus Industrie Model A300, A300-600, A310, and A320 Series Airplanes
This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Industrie Model A300, A300-600, A310, and A320 series airplanes, that requires inspection of certain landing gear brakes for wear and replacement if the wear limits prescribed in this AD are not met, and incorporation of the specifi…
-
Feb 15, 1994
Airworthiness Directives; Airbus Industrie Model A300, A300-600, A310, and A320 Series Airplanes
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Airbus Industrie Model A300, A300-600, A310, and A320 series airplanes. This proposal would require that certain landing gear brakes be inspected for wear and replaced if the wear limits prescribed in this proposal…
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for MCDONNELL DOUGLAS 220
Advisory Circulars
ACs whose subject explicitly mentions MCDONNELL DOUGLAS or 220.
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 1 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.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N4AZ | TX | — | · | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
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 →