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Type Record · As of May 3, 2026

GLASFLUGEL 604

Glider · NONE NONE

Registered

5

Year Range

1970–1973

NTSB Events

2

Airworthiness Directives

3

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered GLASFLUGEL 604 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • KS 100.0% 5

By Decade of Manufacture

  • 1970s 60.0% 3
  • Unknown 40.0% 2

02 /  NTSB Records

Events involving GLASFLUGEL 604 aircraft

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

02c /  Academic Research

Scholarly work mentioning GLASFLUGEL 604

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 GLASFLUGEL 604

3 directive(s) on file. Showing the most recent 3.

  • Sep 10, 2012

    Airworthiness Directives; Glasflugel Gliders

    We are revising an existing airworthiness directive (AD) for Glasflugel Models Standard Libelle-201B, Club Libelle 205, Mosquito, and Kestrel gliders. That AD currently requires actions to address the unsafe condition on these products. This new AD includes clarification that the replacement control rod has an additio…

    Atlas AD → Federal Register ↗

  • Aug 7, 2012

    Airworthiness Directives; Glasflugel Gliders

    We are adopting a new airworthiness directive (AD) for Glasflugel Models Standard Libelle-201B, Club Libelle 205, Mosquito, and Kestrel gliders. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on a…

    Atlas AD → Federal Register ↗

  • Jan 19, 2012

    Airworthiness Directives; Glasflugel Gliders

    We propose to adopt a new airworthiness directive (AD) for Glasflugel Models Standard Libelle-201B, Club Libelle 205, Mosquito, and Kestrel gliders. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsa…

    Atlas AD → Federal Register ↗

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for GLASFLUGEL 604

05 /  Aircraft of this type

All 5 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.

5 of 5
N-number St Year NTSB FAA
N165D KS — ● Look up ↗
N57L KS 1973 · Look up ↗
N604VP KS — ● Look up ↗
N62301 KS 1970 · Look up ↗
N854A KS 1973 · 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 →