TRAVEL AIR 4-D

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered TRAVEL AIR 4-D aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

02 /  NTSB Records

Events involving TRAVEL AIR 4-D aircraft

2 event(s) on file. Showing the most recent 2.

• Nov 30, 2021

  N476N

  Riverside, California

  NTSB Docket →

• Aug 9, 1975

  N9915

  ASPEN, Colorado Fatal

  NTSB Docket →

02c /  Academic Research

Scholarly work mentioning TRAVEL AIR 4-D

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.

• Embry-Riddle Scholarly Commons 2020 · Journal article (JAAER)

  Simulation and Analysis of 4-D Airspace Closures due to Commercial Space Operations: Impacts on Airlines and General Aviation

  When industries share key portions of their eco-systems, industry-industry competitive and structural pressures can inhibit the advancement of both.

• NASA NTRS 2019 · Other

  Experimental Research on 4-Duct Tandem VTOL Aircraft Configurations

  This paper presents a brief summary of several wind-tunnel investigations conducted at the Langley Research Center of the NASA to study the aerodynamic and stability and control characteristics of sev…

• arXiv 2024 · arXiv preprint

  ATDM:An Anthropomorphic Aerial Tendon-driven Manipulator with Low-Inertia and High-Stiffness

  Aerial Manipulator Systems (AMS) have garnered significant interest for their utility in aerial operations. Nonetheless, challenges related to the manipulator's limited stiffness and the coupling dist…

• arXiv 2024 · arXiv preprint

  Haptic-Based Bilateral Teleoperation of Aerial Manipulator for Extracting Wedged Object with Compensation of Human Reaction Time

  Bilateral teleoperation of an aerial manipulator facilitates the execution of industrial missions thanks to the combination of the aerial platform's maneuverability and the ability to conduct complex …

• arXiv 2020 · arXiv preprint

  SkyTrakx: A Toolkit for Simulation and Verification of Unmanned Air-Traffic Management Systems (Extended Version)

  The key concept for safe and efficient traffic management for Unmanned Aircraft Systems (UAS) is the notion of operation volume (OV).

Browse the full corpus — academia portal ↗

03 /  Airworthiness Directives

FAA directives applicable to TRAVEL AIR 4-D

No matching airworthiness directives are on file for this make and model in the Federal Register.

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for TRAVEL AIR 4-D

05 /  Aircraft of this type

All 4 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 →