Type Record · As of May 3, 2026
SMITH SPECIAL SPECIAL
Fixed Wing Single Engine · LYCOMING 0-290 SERIES
Registered
1
Year Range
1962–1962
NTSB Events
0
Airworthiness Directives
50
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered SMITH SPECIAL SPECIAL 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 SMITH SPECIAL SPECIAL aircraft
No NTSB-recorded events match SMITH SPECIAL SPECIAL in the indexed corpus.
02c / Academic Research
Scholarly work mentioning SMITH SPECIAL SPECIAL
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.
- Flight Safety Foundation 2023 · FSF / AeroSafety World
AeroSafety World — Fatigue Science in the Cockpit (Special Issue)
AeroSafety World magazine special issue on fatigue science in commercial aviation — biomathematical models (SAFE, FAID), commuting impacts, ultra-long-range operation patterns.
- Embry-Riddle Scholarly Commons 2021 · Journal article (IJAAA)
Methodology for Convergence of the Training Program with the Professional Activities of Aviation Specialists
The method of developing curricula for training aviation specialists for civil aviation of the Republic of Uzbekistan is analyzed.
- Semantic Scholar 2020 · Article (International Journal of Environmental Research and Public Health)
Digital Training for Non-Specialist Health Workers to Deliver a Brief Psychological Treatment for Depression in Primary Care in India: Findings from a Randomized Pilot Study
Introduction: Task sharing holds promise for scaling up depression care in countries such as India, yet requires training large numbers of non-specialist health workers.
- Semantic Scholar 2020 · Article (BMC Medical Education)
Effectiveness and feasibility of a mindful leadership course for medical specialists: a pilot study
Medical specialists experience high levels of stress. This has an impact on their well-being, but also on quality of their leadership.
- arXiv 2019 · arXiv preprint
Special Orthogonal Group SO(3), Euler Angles, Angle-axis, Rodriguez Vector and Unit-Quaternion: Overview, Mapping and Challenges
The attitude of a rigid-body in the three dimensional space has a unique and global definition on the Special Orthogonal Group SO (3).
- Embry-Riddle Scholarly Commons 2007 · Journal article (JAAER)
A Delphi Study: Expanding K-12 Student Knowledge and Interests in Aviation/Aerospace Recommendations from NASA Aerospace Education Specialists
An aging aerospace workforce coupled with declining student interest and skills beginning at the secondary level and running through the doctoral level has prompted a potential crisis in the aviation/…
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to SMITH SPECIAL SPECIAL
50 directive(s) on file. Showing the most recent 25 · 25 more in the Federal Register.
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Sep 26, 2024
Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc. Model 204B, 205A, 205A-1, 205B, 210, and 212 helicopters and various restricted category helicopters with certain part-numbered tension torsion (TT) straps installed by supplemental type certificate (STC) No. SR03408CH. This AD was prompted b…
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Nov 21, 2022
Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters and various restricted category helicopters. This AD was prompted by reports of cracks found on the main transmission support case. This AD requires repetitive inspe…
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Mar 14, 2022
Airworthiness Directives; Various Restricted Category Helicopters
The FAA is superseding Airworthiness Directive (AD) 2021-15-52 which applied to various restricted category helicopters originally manufactured by Bell Textron Inc. with a certain main rotor hub strap pin (pin) installed. AD 2021-15-52 required removing certain outboard pins from service and prohibited installing them…
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Jul 29, 2021
Airworthiness Directives; Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for various restricted category helicopters originally manufactured by Bell Textron Inc. This AD was prompted by a fatal accident in which an outboard main rotor hub strap pin (pin) sheared off during flight, resulting in the main rotor blade and the main rotor he…
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Jul 26, 2021
Airworthiness Directives; Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for various restricted category helicopters, originally manufactured by Bell Textron Inc. (Bell). This AD was prompted by multiple events involving failure of the tail boom attach structure including the bolts. This AD requires revising the existing Rotorcraft Fli…
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Oct 31, 2019
Airworthiness Directives; Various Experimental and Restricted Category Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for various helicopters operating under experimental airworthiness certificates and various type certificated restricted category helicopters. This proposed AD was prompted by multiple accidents and incidents involving failure of the tail boom attachment str…
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Dec 27, 2016
Airworthiness Directives; The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 767-200 and -300 series airplanes. This AD was prompted by a report of a fire in the bilge area of the cargo compartment that burned through the insulation blankets that were intended to prevent smoke from migrating behind the carg…
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Aug 30, 2016
Airworthiness Directives; The Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 767-200 and -300 series airplanes. This proposed AD was prompted by a report of a fire in the bilge area of the cargo compartment that burned through the insulation blankets that were intended to prevent smoke from migrating be…
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Nov 5, 2015
Airworthiness Directives; The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8 airplanes. This AD was prompted by reports of missing plugs found prior to airplane delivery, during manufacturing inspections, at various locations in certain stringers of the lower lobe cargo compartments. This AD requires…
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Oct 28, 2015
Airworthiness Directives; The Boeing Company Airplanes
We are superseding Airworthiness Directive (AD) 2015-16-01 for certain The Boeing Company Model airplanes. AD 2015-16-01 required incorporating design changes to improve the reliability of the cabin altitude warning system by installing a redundant cabin altitude pressure switch, replacing the aural warning module (AW…
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Sep 22, 2015
Airworthiness Directives; The Boeing Company Airplanes
We are superseding Airworthiness Directive (AD) 2012-24-10 for certain The Boeing Company Model 747-400 and -400F series airplanes. AD 2012-24-10 required installing new software, replacing the duct assembly with a new duct assembly, making wiring changes, and routing certain wire bundles. This new AD retains the requ…
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Aug 11, 2015
Airworthiness Directives; The Boeing Company Airplanes
We are superseding Airworthiness Directive (AD) 2012-19-11 for certain The Boeing Company Model 737 airplanes. AD 2012-19-11 required incorporating design changes to improve the reliability of the cabin altitude warning system by installing a redundant cabin altitude pressure switch, replacing the aural warning module…
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Nov 28, 2014
Airworthiness Directives; Agusta S.p.A. Helicopters
We are superseding Airworthiness Directive (AD) 2014-07-51 for AgustaWestland S.p.A. Model AB139 and AW139 helicopters with certain main rotor (M/R) rotating scissors installed. AD 2014-07-51 required repetitively inspecting the M/R rotating scissors for play of the lower half scissor spherical bearing (bearing) and r…
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Nov 13, 2014
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) (Airbus Helicopters)
We propose to adopt a new airworthiness directive (AD) for Airbus Helicopters Model EC135P1, EC135P2, EC135P2+, EC135T1, EC135T2, and EC135T2+ helicopters. This proposed AD would require reducing the life limit of certain parts and removing each part that has reached its life limit. The proposed actions are intended t…
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Sep 15, 2014
Airworthiness Directives; Bell Helicopter Textron Canada (Bell) Helicopters
We propose to supersede airworthiness directive (AD) 2001-13- 51 for Bell Model 206L-4, 407, and 427 helicopters. AD 2001-13-51 currently requires inspecting certain driveshafts for a crack, a loose bolt or nut, or red powder residue and replacing a driveshaft if there is a crack, a loose bolt or nut, or red powder re…
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Jul 29, 2014
Airworthiness Directives; The Boeing Company Airplanes
We propose to supersede Airworthiness Directive (AD) 2012-19- 11, which applies to certain The Boeing Company Model 737 airplanes. AD 2012-19-11 currently requires incorporating design changes to improve the reliability of the cabin altitude warning system by installing a redundant cabin altitude pressure switch, repl…
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May 27, 2014
Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held By Eurocopter France) Helicopters
We are adopting a new airworthiness directive (AD) for certain Airbus Helicopters Model AS332L1 and Model EC225LP helicopters. This AD requires relocating the power supply circuit breaker source of one engine's multi-purpose air intake (MPAI). This AD is prompted by a report that power loss to the MPAI could open the…
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Apr 28, 2014
Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters
We are superseding Airworthiness Directive (AD) 2005-22-01 for Sikorsky Aircraft Corporation (Sikorsky) Model S-76A, B, and C helicopters. AD 5002-22-01 required inspecting the main rotor lower bifilar arm assembly (bifilar arm assembly) for a crack, and if there is a crack, replacing the bifilar arm assembly. AD 2005…
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Feb 7, 2014
Airworthiness Directives; Eurocopter France (Eurocopter) Helicopters
We are adopting a new airworthiness directive (AD) for Eurocopter Model EC225LP and AS332L1 helicopters with emergency floatation gear. The AD requires, before the next overwater flight, inspecting the strap installation on the hinged rods of the emergency flotation gear on both rear cradles for correct installation.…
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Jan 6, 2014
Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Helicopters
We are adopting a new airworthiness directive (AD) for Sikorsky Model S-70, S-70A, S-70C, S-70C (M), and S-70C (M1) helicopters with General Electric (GE) T700-GE-401C or T700-GE-701C engines installed. This AD requires establishing new fatigue life limits for certain GE engine gas generator turbine (GGT) rotor parts.…
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Dec 24, 2013
Airworthiness Directives; AgustaWestland S.p.A. (Type Certificate Previously Held by Agusta S.p.A.) Helicopters
We are adopting a new airworthiness directive (AD) for certain AgustaWestland S.p.A. (Agusta) Model AB139 and AW139 helicopters. This AD requires inspecting the nose landing gear (NLG) pin installations for incorrect assembly. This AD is prompted by reports of incorrectly installed pins discovered on in-service aircra…
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Nov 22, 2013
Airworthiness Directives; Erickson Air-Crane Incorporated Helicopters (Type Certificate Previously Held by Sikorsky Aircraft Corporation)
We are superseding airworthiness directive (AD) 90-26-12 for Sikorsky Aircraft Corporation (Sikorsky) Model S-64E helicopters. AD 90-26-12 required checks of the main rotor blades for a crack. This new AD retains the actions required by AD 90-26-12, reflects that the type certificate (TC) for this model helicopter has…
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Nov 8, 2013
Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Helicopters
We are adopting a new airworthiness directive (AD) for Sikorsky Model S-76A, B, and C helicopters to require certain inspections of each spindle cuff assembly or blade fold cuff assembly for a crack. If there is a crack, this AD requires replacing the cracked part. If there is no crack, this AD requires applying white…
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Nov 6, 2013
Airworthiness Directives; Eurocopter France (Eurocopter) Helicopters
We propose to adopt a new airworthiness directive (AD) for Eurocopter Model SA-365N, SA-365N1, AS-365N2, and AS 365 N3 helicopters. This proposed AD would require repetitively inspecting frame number (No.) 9 for a crack. This proposed AD is prompted by a report of a crack in frame No. 9 on an AS365 helicopter. The pro…
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Oct 25, 2013
Airworthiness Directives; Eurocopter France (Eurocopter) Helicopters
We are adopting a new airworthiness directive (AD) for Eurocopter Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters. This AD requires certain inspections of each tail rotor pitch horn assembly (pitch horn) for a crack, and if th…
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for SMITH SPECIAL SPECIAL
Advisory Circulars
ACs whose subject explicitly mentions SMITH SPECIAL or SPECIAL.
- AC 120-35D Flightcrew Member Line Operational Simulations: Line-Oriented Flight Training, Special Purpose Operational Training, Line Operational Evaluation ↗
- AC 20-169 Guidance for Certification of Military and Special Mission Modifications and Equipment for Commercial Derivative Aircraft (CDA) ↗
- AC 93-2 Noise Levels for Aircraft used for Commercial Operations in Grand Canyon National Park Special Flight Rules Area ↗
- AC 21-4B Special Flight Permits for Operation of Overweight Aircraft ↗
- AC 90-112A Development and Submission of Special Instrument Procedures to the FAA ↗
- AC 45-4 Identification, marking, and placarding of aircraft issued special airworthiness certificates in the light-sport category (S-LSA) and aircraft issued experimental certificates for the purpose of operating light-sport aircraft (E-LSA) ↗
- AC 120-26K ICAO Aircraft Company Three-Letter Identifier and/or Telephony Designator Assignment and U.S. Special Telephony/Call Signs ↗
- AC 90-112 Development and Submission of Special Instrument Procedures to the FAA ↗
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 |
|---|---|---|---|---|
| N9RF | IA | 1962 | · | 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 →