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Type Record · As of May 3, 2026

CLARK 1000

Fixed Wing Single Engine · LYCOMING R680

Registered

2

Year Range

1959–1959

NTSB Events

2

Airworthiness Directives

25

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered CLARK 1000 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • NM 50.0% 1
  • CA 50.0% 1

By Decade of Manufacture

  • 1950s 50.0% 1
  • Unknown 50.0% 1

02 /  NTSB Records

Events involving CLARK 1000 aircraft

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

02c /  Academic Research

Scholarly work mentioning CLARK 1000

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.

Browse the full corpus — academia portal ↗

03 /  Airworthiness Directives

FAA directives applicable to CLARK 1000

25 directive(s) on file. Showing the most recent 25.

  • Feb 22, 2022

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000 model turbofan engines. This AD was prompted by reports of high levels of wear on the seal fins on a small number of certain high-pressure turbine triple seals. This AD requires manual deactivation o…

  • Dec 23, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000-A2, Trent 1000- AE2, Trent 1000-C2, Trent 1000-CE2, Trent 1000-D2, Trent 1000-E2, Trent 1000-G2, Trent 1000-H2, Trent 1000-J2, Trent 1000-K2, and Trent 1000-L2 model turbofan engines. This AD was prompte…

  • Dec 15, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd. & Co KG (RRD) Trent 1000 model turbofan engines. This AD was prompted by the manufacturer revising the engine Time Limits Manual (TLM) life limits of certain critical rotating parts and direct accumulation counting (DAC) da…

  • Dec 9, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd. & Co KG (RRD) Trent 1000 model turbofan engines. This AD was prompted by the manufacturer revising the engine Time Limits Manual (TLM) life limits of certain critical rotating parts and direct accumulation counting data fil…

  • Nov 17, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd. & Co KG (RRD) Trent 1000 model turbofan engines. This AD was prompted by the manufacturer revising the engine Time Limits Manual (TLM) life limits of certain critical rotating parts and direct accumulation counting data fil…

  • Nov 5, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is revising a notice of proposed rulemaking (NPRM) that applied to certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000 model turbofan engines. This action revises the NPRM by reopening the comment period because the NPRM was placed in incorrect Docket No. FAA-2021-0637 instead of Docket No. FAA-2021-0…

  • Sep 20, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is revising a notice of proposed rulemaking (NPRM) that applied to all Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000-A2, Trent 1000-AE2, Trent 1000-C2, Trent 1000-CE2, Trent 1000-D2, Trent 1000-E2, Trent 1000-G2, Trent 1000-H2, Trent 1000-J2, Trent 1000- K2, and Trent 1000-L2 model turbofan engines. Thi…

  • Sep 16, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is superseding Airworthiness Directive (AD) 2020-15-12 for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000 model turbofan engines. AD 2020-15-12 required initial and repetitive ultrasonic or visual inspections of the intermediate-pressure compressor (IPC) stage 1 rotor blade root (front face), IPC…

  • Sep 8, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is superseding Airworthiness Directive (AD) 2020-13-07 for all Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000-D2, Trent 1000-J2, and Trent 1000-K2 model turbofan engines with a certain part- numbered fuel pump installed. AD 2020-13-07 required removal and replacement of the fuel pump with a part eligible…

  • Aug 25, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd. & Co KG (RRD) Trent 1000 model turbofan engines. This proposed AD was prompted by the manufacturer revising the engine Time Limits Manual (TLM) life limits of certain critical rotating parts and direct accumulation co…

  • Aug 13, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000 model turbofan engines. This proposed AD was prompted by reports of high levels of wear on the seal fins on a small number of certain high- pressure turbine triple seals. This proposed AD would…

  • Apr 22, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA proposes to supersede Airworthiness Directive (AD) 2020-15-12, which applies to certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000 model turbofan engines. AD 2020-15-12 requires initial and repetitive ultrasonic or visual inspections of the intermediate-pressure compressor (IPC) stage 1 rotor blade r…

  • Apr 6, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA is adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000-A2, 1000- AE2, 1000-C2, 1000-CE2, 1000-D2, 1000-E2, 1000-G2, 1000-H2, 1000-J2, 1000-K2, and 1000-L2 model turbofan engines. This AD was prompted by the manufacturer's analysis which determined that c…

  • Mar 30, 2021

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA proposes to supersede airworthiness directive (AD) 2020-13-07, which applies to all Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000-D2, Trent 1000-J2, and Trent 1000-K2 model turbofan engines with a certain part-numbered fuel pump installed. AD 2020-13-07 requires removal and replacement of the fuel pump…

  • Dec 21, 2020

    Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000-A2, 1000-AE2, 1000-C2, 1000-CE2, 1000-D2, 1000-E2, 1000-G2, 1000-H2, 1000- J2, 1000-K2 and 1000-L2 model turbofan engines. This proposed AD was prompted by the manufacturer's analysis which det…

  • Dec 6, 2018

    Airworthiness Directives; Rolls-Royce plc Turbofan Engines

    We are superseding airworthiness directive (AD) 2018-13-07 for all Rolls-Royce plc (RR) Trent 1000-A, Trent 1000-C, Trent 1000-D, Trent 1000-E, Trent 1000-G, and Trent 1000-H turbofan engine models. AD 2018-13-07 required initial inspections of the intermediate-pressure compressor (IPC) stage 1 rotor blades, IPC stage…

  • Aug 9, 2018

    Airworthiness Directives; Rolls-Royce plc Turbofan Engines

    We propose to adopt a new airworthiness directive (AD) for all Rolls-Royce plc (RR) Trent 1000-A2, Trent 1000-C2, Trent 1000-D2, Trent 1000-E2, Trent 1000-G2, Trent 1000-H2, Trent 1000-J2, Trent 1000-K2, and Trent 1000-L2 turbofan engine models. This proposed AD was prompted by reports of intermediate-pressure compres…

  • Jul 23, 2018

    Airworthiness Directives; Rolls-Royce plc Turbofan Engines

    We are adopting a new airworthiness directive (AD) for all Rolls-Royce plc (RR) Trent 1000-A, Trent 1000-C, Trent 1000-D, Trent 1000-E, Trent 1000-G, and Trent 1000-H turbofan engine models. This AD requires inspecting the intermediate-pressure compressor (IPC) stage 1 rotor blades, IPC stage 2 rotor blades, and IPC s…

  • Jul 23, 2018

    Airworthiness Directives; Rolls-Royce plc Turbofan Engines

    We are adopting a new airworthiness directive (AD) for certain Rolls-Royce plc (RR) Trent 1000-A, Trent 1000-C, Trent 1000-D, Trent 1000-E, Trent 1000-G, Trent 1000-H, Trent 1000-A2, Trent 1000-C2, Trent 1000-D2, Trent 1000-E2, Trent 1000-G2, Trent 1000-H2, Trent 1000-J2, Trent 1000-K2, and Trent 1000-L2 engine models…

  • Apr 24, 2018

    Airworthiness Directives; Rolls-Royce plc Turbofan Engines

    We are adopting a new airworthiness directive (AD) for all Rolls-Royce plc (RR) Trent 1000-A2, Trent 1000-AE2, Trent 1000-C2, Trent 1000-CE2, Trent 1000-D2, Trent 1000-E2, Trent 1000-G2, Trent 1000-H2, Trent 1000-J2, Trent 1000-K2, and Trent 1000-L2 turbofan engines. This AD requires initial and repetitive inspections…

  • Jun 7, 2005

    Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems

    The FAA adopts a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This AD requires you to replace the airplane flight manual suppl…

  • Mar 4, 2005

    Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems

    The FAA proposes to adopt a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This proposed AD would require you to replace the air…

  • Nov 30, 1999

    Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems

    This amendment adopts a new airworthiness directive (AD) that applies to all aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. This AD requires incorporating revised operating limit…

  • Jul 7, 1999

    Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems

    This document proposes to adopt a new airworthiness directive (AD) that would apply to all U.S. owners and operators of aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. The propose…

  • Jan 5, 1994

    Airworthiness Directives: Allied Signal Aerospace Company, Air Transport Avionics (Formerly Bendix/King Air Transport Avionics Division) Traffic Alert and Collision Avoidance System II Processors

    This amendment adopts a new airworthiness directive (AD) that applies to certain Allied Signal Aerospace Company, Air Transport Avionics (Allied Signal) Traffic Alert and Collision Avoidance System (TCAS) II processors that are installed on aircraft. This action requires replacing the existing TCAS II processor with a…

04 /  Type Certificate Data Sheets

FAA TCDS for CLARK 1000

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

06 /  Supplemental Type Certificates

Modifications approved for CLARK 1000

10 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

  • 06/30/2014

    STC SA02283SE Page 1

    Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P

    Electronics International Inc.

  • 06/24/2014

    STC SA02402SE Page 1

    Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C

    Electronics International Inc.

  • 12/10/2013

    STC SA02283SE Page 1

    Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P

    Electronics International Inc.

  • 08/27/2013

    STC SA02283SE Page 1

    Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P

    Electronics International Inc.

  • 07/25/2013

    STC SA02283SE Page 1

    Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P

    Electronics International Inc.

  • 10/20/2010

    STC SA00068SE (PAGE 1)

    Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1)

    Electronics International Inc.

  • 04/16/2009

    STC SA01988SE (PAGE 4)

    Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.

    Electronics International Inc.

  • 01/20/2005

    STC SA01157LA

    Installation of Electronics International Model FP-5 or FP-5L fuel flow/fuel pressure instrument as a replacement instrument.

    Electronics International Inc.

  • 11/03/2003

    STC SA2683NM

    Installation of Precise Flight, Inc. stand-by vacuum system (SVS)

    Precise Flight Inc

  • 06/19/2001

    STC SA2683NM

    Installation of Precise Flight, Inc. stand-by vacuum system (SVS)

    Precise Flight Inc

05 /  Aircraft of this type

All 2 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.

2 of 2
N-number St Year NTSB FAA
N78854 NM Look up ↗
N9018R CA 1959 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

We render counts and lists as the agency publishes them. Read the methodology →