Learjet 25 — Airworthiness Directives & records checklist

2 Learjet 25s are on the U.S. registry. Here’s what a records review covers for one — the Airworthiness Directives that apply, the known trouble spots, and the checklist a buyer or owner should hold every logbook against.

Registered
2
Applicable ADs
15
Recurring
0
Serial-conditional
24

Airworthiness Directives that apply to the Learjet 25

  • one-time
    AD 92-19-12 — Airworthiness Directives; Learjet (formerly Gates Learjet) Model 23, 24, 25, 28, 29, 31, 35, and 36 Series Airplanes · 1992-01-01
  • one-time
    AD 89-12-01 — Airworthiness Directives; Learjet Model 24, 25, 28, 29, 35, 36 and 55 Series Airplanes · 1989-01-01
  • one-time
    AD 86-22-05 — Airworthiness Directives; Gates Learjet Model 23, 24, 25, 28, 29, 35, 36 and 55 Series Airplanes · 1986-01-01
  • one-time
    AD 84-19-06 — Airworthiness Directives; CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-19-06 GATES LEARJET: Amendment 39-4919. Applies to the following model/ser · 1984-01-01
  • one-time
    AD 82-01-05 R2 — Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airpla · 1982-01-01
  • one-time
    AD 82-01-04 R2 — Airworthiness Directives; Gates Learjet Model 25, 25A, 25B and 25C Series Airplanes · 1982-01-01
  • one-time
    AD 80-19-09 R1 — Airworthiness Directives; INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 80-19-09 R1 GATES LEARJET: Amendment 39-3913 as amended by Amendm · 1980-01-01
  • one-time
    AD 80-19-11 R1 — Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 35, 36, 35A an · 1980-01-01
  • one-time
    AD 79-12-05 — Airworthiness Directives; Learjet Model 24E, 24F, 24F-A, 25D and 25F Airplanes · 1979-01-01
  • one-time
    AD 78-16-03 — Airworthiness Directives; Learjet Models 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F 35, 35A, 36, and 36A Airplan · 1978-01-01
  • one-time
    AD 77-19-02 — Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D and 25F Airplanes · 1977-01-01
  • one-time
    AD 76-18-07 — Airworthiness Directives; Gates Learjet Models 24, 25, 35 and 36 Airplanes · 1976-01-01
  • one-time
    AD 75-15-06 — Airworthiness Directives; Gates Learjet Models 23, 24 and 25 Series Airplanes · 1975-01-01
  • one-time
    AD 71-16-04 — Airworthiness Directives; LEARJET Models 23, 24 and 25 Airplanes · 1971-01-01
  • one-time
    AD 69-15-06 — Airworthiness Directives; LEARJET Model 23, 24 and 25 Airplanes · 1969-01-01

This is the applicability list. Which of these are complied with, their computed next-due dates, and the 24 serial/mod-conditional ADs that actually apply to your aircraft come from its digitized logbooks — that’s the verified report.

The records checklist for a Learjet 25

Airworthiness Directives
Every applicable AD matched to compliance evidence, with recurring next-due dates.
Annual / 100-hr inspections
A continuous, signed inspection history (14 CFR 91.409) with no gaps.
Service bulletins & letters
Mandatory and recommended SBs/SLs, complied or noted.
Life-limited parts
Airworthiness-limitations items tracked against their limits.
Form 337s / major alterations
Field approvals and STCs on file and reconciled.
Equipment inspections
ELT (91.207), transponder (91.413), altimeter/pitot-static (91.411).
Damage & accident history
NTSB and repair-major records for this exact tail.
Logbook continuity
Unbroken records — the gaps are where value and airworthiness hide.
Run a verified records report on your 25

Enter a tail number and Tailplate reads its logbooks against this list — every AD matched to compliance evidence, next-due dates computed, damage history pulled, and a records-adjusted value.

Look up a tail number →or see the free AD list
Related Learjet models

Applicability is derived from the FAA directive corpus and the aircraft’s type certificate; it is advisory and not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.