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Hiller UH-12B — Airworthiness Directives & records checklist

34 Hiller UH-12Bs 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
34
Applicable ADs
9
Recurring
0
Serial-conditional
16

Airworthiness Directives that apply to the Hiller UH-12B

  • one-time
    AD 77-07-05 R1 — Airworthiness Directives; HILLER AVIATION Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E UH-12E (4- place), (including military Models H-23A, H-23B, H- · 1977-01-01
  • one-time
    AD 73-20-03 — Airworthiness Directives; Hiller Models UH-12, UH-12A, UH-12B, UH-12C, UH-12D, and UH-12E Helicopters · 1973-01-01
  • one-time
    AD 63-04-02 — Airworthiness Directives; Hiller Models UH-12, UH-12A, UH-12B amd UH-12C Helicopters · 1963-01-01
  • one-time
    AD 62-03-01 — Airworthiness Directives; Hiller Model UH-12A and UH-12B Helicopters · 1962-01-01
  • one-time
    AD 59-05-05 — Airworthiness Directives; Hiller Models UH-12, UH-12A, UH-12B, UH-12C, and UH-12D Series Helicopters · 1959-01-01
  • one-time
    AD 56-27-02 — Airworthiness Directives; Hiller Models UH-12, UH-12A and UH-12B Helicopters · 1956-01-01
  • one-time
    AD 55-19-01 — Airworthiness Directives; Hiller Models UH-12, UH-12A, and UH-12B Helicopters · 1955-01-01
  • one-time
    AD 53-12-01 — Airworthiness Directives; Hiller Models UH-12, UH-12A, UH-12B, HTE-1, HTE-2, H-23A and H-23B Helicopters · 1953-01-01
  • one-time
    AD 53-24-02 — Airworthiness Directives; Hiller Models UH-12, UH-12A and UH-12B Helicopters · 1953-01-01

This is the applicability list. Which of these are complied with, their computed next-due dates, and the 16 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 Hiller UH-12B

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 UH-12B

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 Hiller models
Hiller UH-12EHiller UH-12CHiller UH-12DHiller UH-12AHiller OH-23BHiller H-23DHiller UH-12E4Hiller UH-12L4

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.