Fixed Wing Single Engine · AMA/EXPR UNKNOWN ENG · as of Sep 21, 2026
Distribution · currently registered
By state (top 10)
- CA 100.0% 1
By decade of manufacture
- Unknown 100.0% 1
NTSB records
No NTSB-recorded events match PZL 101 in the indexed corpus.
Research papers
- Embry-Riddle Scholarly Commons 2020 · Journal article (IJAAA) An Evaluation of the Operational Restrictions Imposed to Congonhas Airport by Civil Aviation Instruction121-1013 Due to aircraft accidents, in 2008, operational restrictions were imposed on Congonhas airport by IAC 121-1013. These restrictions sought to create a balance between flight safety and operational effi…
- Embry-Riddle Scholarly Commons 2009 · Journal article (JAAER) Self Defense 101: An Exploration of Self Defense Training and Its Applicability for College Flight Majors This research explores the feasibility of developing a self defense program for flight majors at a university. Traditional systems of martial arts are discussed and the limitations in these systems ar…
- Embry-Riddle Scholarly Commons 2023 · Journal article (JAAER) Using Unmanned Aircraft Systems to Investigate the Detectability of Burmese Pythons in South Florida Burmese pythons are an invasive, non-native species of snake to southern Florida and attempts at eradicating the snakes had yielded mixed results.
- Embry-Riddle Scholarly Commons 2023 · Journal article (IJAAA) Historical Research and the case for a Fifth Component of SMS Abstract Three tragic events from aviation history were examined using a Historical Research and Case Study Method. The events explored were the disasters of the Airship R101 (1930), the Space Shuttle…
- arXiv 2021 · arXiv preprint Large Eddy Simulations and modal reconstruction of laminar transonic buffet Transonic buffet refers to the self-sustained periodic motion of shock waves observed in transonic flows over wings and limits the flight envelope of aircraft.
- Embry-Riddle Scholarly Commons 2020 · Conference paper The Impact of an International Aviation Leadership Development Program on Organizational Effectiveness Leadership development is critical for organizational progress. Leaders who are strong in operations and talent management maximization are a strength to organizational effectiveness (Andenoro et al.,…
Airworthiness directives
5 directive(s) on file. Showing the most recent 5.
- Nov 3, 2021
Airworthiness Directives; Umlaut Engineering GmbH (Previously P3 Engineering GmbH) HAFEX (Halon-Free) Hand-Held Fire Extinguishers
The FAA is adopting a new airworthiness directive (AD) for certain Umlaut Engineering GmbH (previously P3 Engineering GmbH) HAFEX (Halon-free) hand-held fire extinguishers (fire extinguishers).This AD was prompted by a report of a safety issue on certain fire extinguishers, where certain environmental factors may proh…
- Apr 24, 2019
Airworthiness Directives; Northrop Grumman LITEF GmbH LCR-100 Attitude and Heading Reference System Units
We are adopting a new airworthiness directive (AD) for Northrop Grumman LITEF GmbH LCR-100 Attitude and Heading Reference System (AHRS) units installed on various aircraft. This AD requires removing certain LCR-100 AHRS units from service. This AD was prompted by test results showing loss of or invalid data. The actio…
- Jun 5, 2017
Airworthiness Directives; Northrop Grumman LITEF GmbH LCR-100 Attitude and Heading Reference System Units
We propose to adopt a new airworthiness directive (AD) for Northrop Grumman LITEF GmbH LCR-100 Attitude and Heading Reference System (AHRS) units installed on various aircraft. This proposed AD would require removing certain LCR-100 AHRS units from service. This proposed AD is prompted by test results showing loss of…
- May 20, 2009
Airworthiness Directives; Hartzell Propeller Inc. Steel Hub Turbine Propellers
The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. steel hub turbine propellers, with any counterweight slug attachment bolts, part number (P/N) B-3386-14H, LFC manufacturing lot 224, installed. This AD requires identifying and removing all counterweight slug attachment bolts, P/N B-338…
- Jul 14, 2005
Airworthiness Directives; Hartzell Propeller Inc. Models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC-B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC-B5MP-3 Propellers
The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC- B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC- B5MP-3 propellers, installed with propeller mounting bolts, part number (P/N) B-3339. This AD requires initial and repeti…
Advisory circulars & Federal Register
Advisory circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register · Parts 91 & 43
- 2026-09-14 Use of Certain Restricted Category Aircraft for the Transport of Firefighters for Wildfire Suppression FR ↗
- 2026-07-31 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
- 2026-07-02 Enabling Supersonic Overland Flight FR ↗
- 2026-07-01 Mechanic Certification: Inspection Rating and Recent Experience Requirements FR ↗
- 2026-06-30 Designation-Restrict the Operation of Unmanned Aircraft in Close Proximity to a Fixed Site Facility; Extension of Comment Period FR ↗
Registered N-numbers · 1
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N137LZ | CA | — | · | Look up ↗ |
Source — FAA Aircraft Registry
Sources
- FAA Aircraft Registry ↗ Refreshed Apr 27, 2026 Available
- NTSB CAROL ↗ Refreshed Jun 10, 2026 Available
- Federal Register (FAA Airworthiness Directives) ↗ Refreshed Apr 27, 2026 Available