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PIPER L-4H

7 registered · 1943–1944 · 2 NTSB events · 7 ADs

About this data

Fixed Wing Single Engine · CONT MOTOR A70 SERIES · as of Sep 21, 2026

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Distribution · currently registered

By state (top 10)

  • SC 14.3% 1
  • TX 14.3% 1
  • IL 14.3% 1
  • AK 14.3% 1
  • CA 14.3% 1
  • AL 14.3% 1
  • WA 14.3% 1

By decade of manufacture

  • 1940s 57.1% 4
  • Unknown 42.9% 3

NTSB records

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

Airworthiness directives

7 directive(s) on file. Showing the most recent 7.

  • Apr 29, 2015

    Airworthiness Directives; Various Aircraft Equipped With Wing Lift Struts

    We are superseding Airworthiness Directive (AD) 99-01-05 R1, which applied to certain aircraft equipped with wing lift struts. AD 99-01-05 R1 required repetitively inspecting the wing lift struts for corrosion; repetitively inspecting the wing lift strut forks for cracks; replacing any corroded wing lift strut; replac…

    Atlas AD Federal Register ↗
  • Dec 31, 2014

    Airworthiness Directives; Various Aircraft Equipped With Wing Lift Struts

    We propose to supersede Airworthiness Directive (AD) 99-01-05 R1, which applies to certain aircraft equipped with wing lift struts. AD 99-01-05 R1 currently requires repetitively inspecting the wing lift struts for corrosion; repetitively inspecting the wing lift strut forks for cracks; replacing any corroded wing lif…

    Atlas AD Federal Register ↗
  • Dec 31, 2013

    Airworthiness Directives; Various Aircraft Equipped With Wing Lift Struts

    The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. That AD applies to certain aircraft equipped with wing lift struts. The list of affected airplanes in the Applicability section is incorrect. Several Piper Aircraft, Inc. Model PA-18 airplanes were inadvertently omitted from…

    Atlas AD Federal Register ↗
  • Dec 10, 2013

    Airworthiness Directives; Various Aircraft Equipped with Wing Lift Struts

    We are revising Airworthiness Directive (AD) 99-01-05 for certain aircraft equipped with wing lift struts. AD 99-01-05 required repetitively inspecting the wing lift struts for corrosion; repetitively inspecting the wing lift strut forks for cracks; replacing any corroded wing lift strut; replacing any cracked wing li…

    Atlas AD Federal Register ↗
  • Jan 16, 2013

    Airworthiness Directives; Various Aircraft Equipped With Wing Lift Struts

    We propose to revise an existing airworthiness directive (AD) that applies to certain aircraft equipped with wing lift struts. The existing AD currently requires repetitively inspecting the wing lift struts for corrosion; repetitively inspecting the wing lift strut forks for cracks; replacing any corroded wing lift st…

    Atlas AD Federal Register ↗
  • Dec 3, 2001

    Airworthiness Directives; GARMIN International GNS 430 Units

    This amendment adopts a new airworthiness directive (AD) that applies to certain GARMIN International (GARMIN) GNS 430 units that are installed on aircraft. This AD requires you to modify the unit to incorporate circuitry changes to the GNS 430 unit's deviation and flag outputs. This AD is the result of reports of ina…

    Atlas AD Federal Register ↗
  • Aug 6, 2001

    Airworthiness Directives; GARMIN International GNS 430 Units

    This document proposes to adopt a new airworthiness directive (AD) that would apply to certain GARMIN International (GARMIN) GNS 430 units that are installed on aircraft. The proposed AD would require you to modify the unit to incorporate circuitry changes to the GNS 430 unit's deviation and flag outputs. The proposed…

    Atlas AD Federal Register ↗

Advisory circulars & Federal Register

Registered N-numbers · 7

7 of 7 ● NTSB events on file · orange tails have Atlas pages · Look up queries the live FAA registry (owner, address, last airworthiness)
N-number St Year NTSB FAA
N2175Y SC 1943 · Look up ↗
N340TR TX 1944 · Look up ↗
N381PC IL — · Look up ↗
N58988 AK — ● Look up ↗
N5941V CA — · Look up ↗
N79731 AL 1944 · Look up ↗
N9217H WA 1944 ● Look up ↗

Source — FAA Aircraft Registry

Sources