Type Record · As of May 3, 2026
BABY ACE HR
Fixed Wing Single Engine · CONT MOTOR A&C65 SERIES
Registered
1
Year Range
1966–1966
NTSB Events
0
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered BABY ACE HR aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- IA 100.0% 1
By Decade of Manufacture
- 1960s 100.0% 1
02 / NTSB Records
Events involving BABY ACE HR aircraft
No NTSB-recorded events match BABY ACE HR in the indexed corpus.
02c / Academic Research
Scholarly work mentioning BABY ACE HR
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.
- arXiv 2026 · arXiv preprint
Wave propagation through periodic arrays of freely floating rectangular floes
The two-dimensional propagation of small-amplitude waves through an infinite periodic array of freely-floating rectangular floes is considered under the assumptions of inviscid linearised wave theory.…
- arXiv 2026 · arXiv preprint
Integrated Flight and Propulsion Control for Fixed-Wing UAVs via Thrust and Disturbance Compensation
This paper investigates the position-tracking control problem for fixed-wing unmanned aerial vehicles (UAVs) equipped with a turbojet engine via an integrated flight and propulsion control scheme.
- arXiv 2025 · arXiv preprint
An Ice Christmas Tree: Fast Three-Dimensional Printing of Ice Structures via Evaporative Cooling in Vacuum
We demonstrate a novel approach to three-dimensional (3D) printing of freeform ice structures by exploiting evaporative cooling.
- arXiv 2025 · arXiv preprint
Discontinuity-aware physics-informed neural network for phase-field method in three-phase flow with phase change
Physics-informed neural networks (PINNs) have been applied to simulate multiphase flows, yet they are limited in modeling phase changes and sharp interfaces due to optimization conflicts in the strong…
- arXiv 2025 · arXiv preprint
Height-Dependent Rotor Noise and Thrust in Urban Air Mobility: An Experimental Study
The present study investigates the aerodynamic and aeroacoustic characteristics of a propeller operating under varying rotational speeds (RPM) and heights ("H" ), with a particular focus on the effect…
- arXiv 2025 · arXiv preprint
Quantum-Resilient Threat Modelling for Secure RIS-Assisted ISAC in 6G UAV Corridors
The rapid deployment of unmanned aerial vehicle (UAV) corridors in sixth-generation (6G) networks requires safe, intelligence-driven integrated sensing and communications (ISAC).
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to BABY ACE HR
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 BABY ACE HR
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
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 |
|---|---|---|---|---|
| N7551U | IA | 1966 | · | 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 →