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Type Record · As of May 3, 2026

BRANTLY 305

Rotorcraft · LYCOMING VO-540 SERIES

Registered

2

NTSB Events

1

Airworthiness Directives

3

Aircraft Resources

Engine · Lycoming Engines → Search FAA TCDS →

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered BRANTLY 305 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • OH 50.0% 1
  • CO 50.0% 1

By Decade of Manufacture

  • Unknown 100.0% 2

02 /  NTSB Records

Events involving BRANTLY 305 aircraft

1 event(s) on file. Showing the most recent 1.

02c /  Academic Research

Scholarly work mentioning BRANTLY 305

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 BRANTLY 305

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

  • Dec 15, 2021

    Airworthiness Directives; Brantly Helicopters Industries U.S.A. Co., Ltd., and Brantly International, Inc., Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Brantly Helicopters Industries U.S.A. Co., Ltd., Model 305 helicopters and Brantly International, Inc., Model B-2, B-2A, and B-2B helicopters. This AD was prompted by a report of a crack in the tail rotor (T/R) hub. This AD requires repetitive inspecti…

    Atlas AD → Federal Register ↗

  • Jul 30, 2021

    Airworthiness Directives; Brantly Helicopters Industries U.S.A. Co., Ltd., and Brantly International, Inc., Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Brantly Helicopters Industries U.S.A. Co., Ltd., Model 305 helicopters and Brantly International, Inc., Model B-2, B-2A, and B-2B helicopters. This proposed AD was prompted by a report of a crack in the tail rotor (T/R) hub. This proposed AD woul…

    Atlas AD → Federal Register ↗

  • Mar 28, 1995

    Airworthiness Directives; Textron Lycoming O-360, LO-360, HO-360, HIO-360, TIO-360, LIO-360, AEIO-360, O-540, IO-540, TIO-540, LTIO-540, IVO-540, AEIO-540, TIO-541, and IO-720 Series Reciprocating Engines

    This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 95-07-01 that was sent previously to all known U.S. owners and operators of Textron Lycoming O-360, LO- 360, HO-360, HIO-360, TIO-360, LIO-360, AEIO-360, O-540, IO-540, TIO- 540, LTIO-540, IVO-540, AEIO-540, TIO-541, and…

    Atlas AD → Federal Register ↗

04 /  Type Certificate Data Sheets

FAA TCDS for BRANTLY 305

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 BRANTLY 305

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

  • 04/14/2023

    STC SH3319NM

    Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 04/04/2023

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Hartzell Engine Technologies, LLC

    Atlas STC → DRS ↗

  • 05/19/2020

    STC SH3319NM (1 OF 2)

    Installation of Precise Flight Pulselite Control Unit in the\nLanding /Taxi Recognition Visual Control Light system,

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 12/29/2016

    STC SH3319NM

    Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 07/17/2014

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Hartzell Engine Technologies, LLC

    Atlas STC → DRS ↗

  • 06/09/2014

    STC SH3319NM

    Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 07/25/2013

    STC SH3319NM

    Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 05/10/2013

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Plane Power Ltd.

    Atlas STC → DRS ↗

  • 03/26/2013

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Plane-Power Systems, Inc.

    Atlas STC → DRS ↗

  • 03/14/2013

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Plane-Power Systems, Inc.

    Atlas STC → DRS ↗

  • 10/17/2012

    STC SH3319NM

    Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 02/21/2012

    STC SH3319NM

    Installation of Precise Pulselite Control System

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 02/10/2009

    STC SA593CH (Page 1)

    Install Champion SlickSTART magneto booster system.

    Champion Aerospace LLC

    Atlas STC → DRS ↗

  • 07/24/2008

    STC SA02033AT (PAGE 5)

    Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW)

    M-20 Oil Separators LLC

    Atlas STC → DRS ↗

  • 11/04/2004

    STC SA02033AT (PAGE 3)

    Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW)

    M-20 Oil Separators LLC

    Atlas STC → DRS ↗

  • 03/12/2004

    STC SA593CH (1 OF 5)

    Install Champion SlickSTART magneto booster system.

    Champion Aerospace LLC

    Atlas STC → DRS ↗

  • 05/30/2002

    STC SA02520AT

    Installation of M-20 Oil Separator, model 600-WP.

    M-20 Oil Separators LLC

    Atlas STC → DRS ↗

  • 08/03/1978

    STC SA2386SW

    Installation of S.A.F.E., EGT, CHT Systems.

    Avicon Development Corporation

    Atlas STC → DRS ↗

07 /  PMA replacement parts

FAA-approved replacement parts for BRANTLY 305

2 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.

  • 13889#https://drs.faa.gov/browse/excelExternalWindow/2AC2F0A83C901AB986257FC5006D9D7E.0001##

    CONE

    Timken Corporation replaces 13889

    PMA holder →

  • 13889#https://drs.faa.gov/browse/excelExternalWindow/B9712CDD71602F8986257D2A00574543.0001##

    CONE

    Timken Corporation replaces 13889

    PMA holder →

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for BRANTLY 305

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
N238N OH — · Look up ↗
N305AL CO — ● 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 →