Type Record · As of May 3, 2026
FLEET 7B
Fixed Wing Single Engine · KINNER B5 SERIES
Registered
1
Year Range
1936–1936
NTSB Events
0
Airworthiness Directives
39
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered FLEET 7B aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- PA 100.0% 1
By Decade of Manufacture
- 1930s 100.0% 1
02 / NTSB Records
Events involving FLEET 7B aircraft
No NTSB-recorded events match FLEET 7B in the indexed corpus.
02c / Academic Research
Scholarly work mentioning FLEET 7B
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 2011 · Reprint (Version printed in journal)
Behavioral consequences of radiation exposure to simulated space radiation in the C57BL/6 mouse: open field, rotorod, and acoustic startle
Two experiments were carried out to investigate the consequences of exposure to proton radiation, such as might occur for astronauts during space flight.
- Embry-Riddle Scholarly Commons 2020 · Conference paper
Concurrent Sessions: Session 7B - UAS - Operational Applications
- FAA-affiliated R&D (MITRE / Volpe / FAA Tech Center) 2021 · FAA Tech Center damage-tolerance study
Composite Damage Tolerance Inspection Methods for Aging Aircraft
Hughes Technical Center damage-tolerance research for composite structures — ultrasonic + thermography NDI methods for impact damage detection.
- NTSB Aircraft Accident Reports 2019 · Accident report
Loss of Engine Power and Subsequent Ditching of Southwest Airlines Flight 1380
Southwest 1380 (B737-700) Philadelphia, April 17, 2018 — uncontained engine failure, passenger fatality. Examines the uncontained failure of a CFM56-7B fan blade due to high-cycle fatigue that breache…
- DTIC (Defense Technical Information Center) 2014 · DTIC technical report
Aircraft Battle Damage Repair and Structural Integrity
Air Force Research Lab analysis of battle damage repair effectiveness on composite + metallic airframes. Examines field repair strategies + their effect on continued airworthiness.
- Embry-Riddle Scholarly Commons 2001 · Journal article (JAAER)
A Comparison of the Learning Styles of Aviation and Non-Aviation College Students
In contrast to established educational fields such as mathematics, the discipline of aviation education is relatively young.
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to FLEET 7B
39 directive(s) on file. Showing the most recent 25 · 14 more in the Federal Register.
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Mar 4, 2025
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by two engine fan blade-out (FBO) events that resulted in the separation of engine inlet cowl and fan cowl parts from the airplane. In one event, f…
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Mar 4, 2025
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by two engine fan blade- out (FBO) events that resulted in the separation of engine inlet cowl and fan cowl parts from the airplane damaging th…
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Mar 4, 2025
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by two engine fan blade-out (FBO) events that resulted in the separation of engine inlet cowl and fan cowl parts from the airplane. In one event, f…
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Dec 12, 2023
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This proposed AD was prompted by two engine fan blade-out (FBO) events that resulted in the separation of engine inlet cowl and fan cowl parts from the airpla…
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Dec 12, 2023
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This proposed AD was prompted by two engine fan blade-out (FBO) events that resulted in the separation of engine inlet cowl and fan cowl parts from the airplane.…
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Dec 12, 2023
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This proposed AD was prompted by two engine fan blade-out (FBO) events that resulted in the separation of engine inlet cowl and fan cowl parts from the airplane.…
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Feb 15, 2022
Airworthiness Directives; CFM International, S.A. Turbofan Engines
The FAA is superseding Airworthiness Directive (AD) 2013-26-01 for all CFM International, S.A. (CFM) CFM56-3 and CFM56-7B model turbofan engines with a certain accessory gearbox assembly (AGB) not equipped with a dynamic oil seal assembly in the handcranking pad. AD 2013-26-01 required an independent inspection to ver…
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May 2, 2018
Airworthiness Directives; CFM International S.A. Turbofan Engines
We are adopting a new airworthiness directive (AD) for all CFM International S.A. (CFM) Model CFM56-7B engines. This AD requires initial and repetitive inspections of the concave and convex sides of the fan blade dovetail to detect cracking and replacement of any blades found cracked. This AD was prompted by a recent…
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Apr 5, 2012
Airworthiness Directives; The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-600, -700, -700C, -800, and -900 series airplanes. This AD was prompted by reports of heat damage to the inner wall of the thrust reversers, which could result in separation of adjacent components and consequent structural dama…
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Sep 27, 2010
Airworthiness Directives; The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER Series Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This proposed AD would require modifying the thrust reverser inner walls, inspecting for damage of the upper and lower inner wall insulation blankets, measuring the electrical conduct…
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Jan 14, 2010
Airworthiness Directives; CFM International, S.A. CFM56-7B Series Turbofan Engines
The FAA is adopting a new airworthiness directive (AD) for CFM International, S.A. CFM56-7B series turbofan engines. This AD requires initial and repetitive eddy current inspections (ECIs) of certain part number (P/N) low-pressure (LP) turbine rear frames. This AD results from a refined life analysis by the engine man…
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Dec 12, 2005
Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines
The FAA is superseding an existing airworthiness directive (AD) for Pratt & Whitney (PW) JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, and -17AR series turbofan engines. That AD currently requires revisions to the engine manufacturer's time limits section (TLS) to include enhanced inspectio…
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Oct 27, 2004
Airworthiness Directives; Various Transport Category Airplanes on Which Cargo Restraint Strap Assemblies Have Been Installed per Supplemental Type Certificate (STC) ST01004NY
This amendment adopts a new airworthiness directive (AD), applicable to various transport category airplanes on which cargo restraint strap assemblies have been installed per STC ST01004NY. This amendment requires revising the airplane flight manual to include a procedure for discontinuing the use of certain cargo res…
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Aug 18, 2004
Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines
The FAA proposes to supersede an existing airworthiness directive (AD) for Pratt & Whitney (PW) JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, and -17AR series turbofan engines. That AD currently requires revisions to the engine manufacturer's time limits section (TLS) to include enhanced in…
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Aug 4, 2004
Airworthiness Directives; Various Transport Category Airplanes on Which Cargo Restraint Strap Assemblies Have Been Installed per Supplemental Type Certificate (STC) ST01004NY
This document revises an earlier proposed airworthiness directive (AD), applicable to various transport category airplanes on which cargo restraint strap assemblies have been installed per STC ST01004NY. That action would have required revising the airplane flight manual to include a procedure for discontinuing the us…
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Jul 29, 2003
Airworthiness Directives; Various Transport Category Airplanes on Which Cargo Restraint Strap Assemblies Have Been Installed Per Supplemental Type Certificate (STC) ST01004NY
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to various transport category airplanes on which cargo restraint strap assemblies have been installed per STC ST01004NY. This proposal would require revising the Airplane Flight Manual to include a procedure for discontinuing…
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Mar 13, 2003
Airworthiness Directives; Pratt & Whitney JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, and -17AR Turbofan Engines
This amendment adopts a new airworthiness directive (AD), that is applicable to Pratt & Whitney (PW) JT8D-1, -1A, -1B, -7, -7A, -7B, - 9, -9A, -11, -15, -15A, -17, -17A, -17R, and -17AR turbofan engines. This amendment requires removal from service of certain part number (P/ N) 3rd-4th and 4th-5th stage compressor rot…
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Jan 24, 2003
Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines
The Federal Aviation Administration (FAA) proposes to supersede an existing airworthiness directive (AD), that is applicable to Pratt & Whitney JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, - 15A, -17, -17A, -17R, and -17AR turbofan engines. That AD currently requires a determination of the utilization rate and p…
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Nov 15, 2002
Airworthiness Directives; Pratt & Whitney JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, and -17AR Turbofan Engines
The Federal Aviation Administration (FAA) proposes to adopt a new airworthiness directive (AD) that is applicable to Pratt & Whitney JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, - 17R, and -17AR turbofan engines. This proposal would require removal from service of certain part number (P/N) 3rd-4…
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Aug 28, 2002
Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines
This amendment supersedes an existing airworthiness directive (AD), that is applicable to certain Pratt & Whitney JT8D series turbofan engines. That AD currently requires revisions to the Time Limits Section (TLS) of the manufacturer's Engine Manuals (EM's) to include required enhanced inspection of selected critical…
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Aug 14, 2002
Airworthiness Directives; CFM International CFM56-5B and -7B Series Turbofan Engines
This amendment adopts a new airworthiness directive (AD), that is applicable to CFM International (CFMI) CFM56-5B and -7B series turbofan engines. This amendment requires retirement of stage 2 low pressure turbine (LPT) nozzle segments and stage 3 LPT nozzle segments, listed in Table 1 of this AD, from service before…
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Apr 4, 2002
Airworthiness Directives; CFM International CFM56-5B and -7B Series Turbofan Engines
The Federal Aviation Administration (FAA) proposes to adopt a new airworthiness directive (AD) that is applicable to CFM International (CFMI) CFM56-5B and -7B series turbofan engines. This proposal would require retirement of stage 2 LPT nozzle segments and stage 3 LPT nozzle segments, listed in Table 1 of this propos…
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Feb 14, 2002
Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines
This notice revises an earlier proposed airworthiness directive (AD), applicable to Pratt & Whitney JT8D series turbofan engines, that would have required revisions to the Time Limits Section (TLS) of the manufacturer's Engine Manuals (EMs) to include required enhanced inspection of selected critical life-limited part…
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Jun 1, 2001
Airworthiness Directives; CFM International (CFMI) CFM56-2, -2B, -3, -5B, -5C and -7B Series Turbofan Engines
This amendment adopts a new airworthiness directive (AD) that is applicable to CFMI CFM56-2, -2B, -3, -5B, -5C and -7B series turbofan engines. This action requires limiting engines with certain No. 4 bearings to one on each airplane, replacement of certain No. 4 bearings, and increased frequency of inspections for ma…
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Jan 30, 2001
Airworthiness Directives; CFM International (CFMI) Model CFM56-7B Turbofan Engines
This amendment adopts a new airworthiness directive (AD) that is applicable to CFMI model CFM56-7B turbofan engines. This action requires a one-time on-wing torque inspection, and torque if needed, of all the PS3 pressure line fittings to insure proper torque. This amendment is prompted by service events which resulte…
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for FLEET 7B
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 |
|---|---|---|---|---|
| N174RS | PA | 1936 | · | 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 →