Type Record · As of May 3, 2026

HILLER UH-12D

Rotorcraft · ALLISON 250 SERIES

Registered

Year Range

0–1976

NTSB Events

Airworthiness Directives

Aircraft Resources

Engine · Rolls-Royce M250 (Allison) → Search FAA TCDS →

01 / Distribution

Where the fleet lives and was built

Counts of currently-registered HILLER UH-12D aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

TX 13.6% 3
WA 13.6% 3
SC 9.1% 2
DE 9.1% 2
ND 9.1% 2
FL 9.1% 2
OH 4.5% 1
WI 4.5% 1
UT 4.5% 1
NJ 4.5% 1

+4 more states

By Decade of Manufacture

1950s 31.8% 7
1960s 18.2% 4
1970s 9.1% 2
Unknown 40.9% 9

02 / NTSB Records

Events involving HILLER UH-12D aircraft

8 event(s) on file. Showing the most recent 8.

Mar 17, 2011
N11CU
Iowa, Louisiana
NTSB Docket →
Sep 3, 2001
N2770
Lubbock, Texas Minor
NTSB Docket →
Apr 4, 1999
N105HH
INDIAN SPRINGS, Nevada Fatal
NTSB Docket →
Jul 2, 1991
N94515
SAVOY, Illinois
NTSB Docket →
Jun 15, 1980
N9299Z
MIAMI BEACH, Florida Serious
NTSB Docket →
May 10, 1980
N3269F
KANSAS CITY, Missouri Serious
NTSB Docket →
Mar 22, 1979
N94AP
TULAROSA, New Mexico Minor
NTSB Docket →
Oct 22, 1977
N9299Z
MIAMI, Florida
NTSB Docket →

03 / Airworthiness Directives

FAA directives applicable to HILLER UH-12D

6 directive(s) on file. Showing the most recent 6.

May 18, 2005

Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E, -C20, -C20B, -C20F, -C20J, -C20S, and -C20W Turboprop and Turboshaft Engines

The FAA is adopting a new airworthiness directive (AD) for Rolls- Royce Corporation (RRC) (formerly Allison Engine Company) 250-B17B, - B17C, -B17D, -B17E, -C20, -C20B, -C20F, -C20J, -C20S, and -C20W turboprop and turboshaft engines that do not have turbine energy absorbing ring, RRC part number (P/N) 23035175, or an…

Atlas AD → Federal Register ↗
Dec 6, 2000

Airworthiness Directives; Siam Hiller Holdings, Inc. Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, UH-12E-L, UH-12L, and UH-12L4 Helicopters

This amendment adopts a new airworthiness directive (AD), for Siam Hiller Holdings, Inc. (Hiller), formerly Rogerson Hiller Corporation, Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, UH- 12E-L, UH-12L, and UH-12L4 helicopters, that requires replacing all undrilled-shank bolts at pivoting joints in the control s…

Atlas AD → Federal Register ↗
Aug 31, 2000

Airworthiness Directives; Siam Hiller Holdings, Inc. Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, UH-12E-L, UH-12L, and UH-12L4 Helicopters

This document proposes the adoption of a new airworthiness directive (AD) for Siam Hiller Holdings, Inc. (Hiller), formerly Rogerson Hiller Corporation, Model UH-12, UH-12A, UH-12B, UH-12C, UH- 12D, UH-12E, UH-12E-l, UH-12L, and UH-12L4 helicopters. The AD would require replacing all undrilled-shank bolts at pivoting…

Atlas AD → Federal Register ↗
Oct 8, 1997

Airworthiness Directives; Hiller Aircraft Corporation Model UH- 12A, UH-12B, UH-12C, UH-12D, and UH-12E Helicopters

This amendment supersedes an existing airworthiness directive (AD), applicable to Hiller Aircraft Corporation Model UH-12A, UH-12B, UH-12C, UH-12D, and UH-12E helicopters, that currently requires a dye penetrant inspection of the head of the main rotor outboard tension- torsion (T-T) bar pin for cracks; a visual inspe…

Atlas AD → Federal Register ↗
May 23, 1997

Airworthiness Directives; Hiller Aircraft Corporation Model UH- 12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, CH-112, H-23A, H-23B, H- 23C, H-23D, H-23F, HTE-1, HTE-2, and OH-23G Helicopters

This amendment supersedes an existing airworthiness directive (AD), applicable to Hiller Aircraft Corporation Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, CH-112, H-23A, H-23B, H-23C, H-23D, H- 23F, HTE-1, HTE-2, and OH-23G helicopters, and UH-12D and UH-12E helicopters converted to turbine engine power in acc…

Atlas AD → Federal Register ↗
Jun 8, 1995

Airworthiness Directives; Hiller Aircraft Corporation Model UH- 12A, UH-12B, UH-12C, UH-12D, and UH-12E Helicopters

This amendment adopts a new airworthiness directive (AD) that is applicable to Hiller Aircraft Corporation (Hiller) Model UH-12A, UH- 12B, UH- [[Page 30185]] 12C, UH-12D, and UH-12E helicopters. This action requires a dye-penetrant inspection of the head of the main rotor outboard tension-torsion (T-T) bar pin for cra…

Atlas AD → Federal Register ↗

04 / Type Certificate Data Sheets

FAA TCDS for HILLER UH-12D

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

4H10 Current Rev 7 · 10/28/2014

Siam Hiller Holdings Inc.

Models: UH-12D

Atlas TCDS → DRS ↗

06 / Supplemental Type Certificates

Modifications approved for HILLER UH-12D

74 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 ↗
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 ↗
01/14/2015

STC SR02394AK

Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system

Seaplanes North 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 ↗
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 ↗
05/23/2012

STC SR02394AK

Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system

Floats Alaska LLC

Atlas STC → DRS ↗
03/15/2012

STC SR02394AK

Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system per Installation Instructions LED03-20R, Rev. IR, dated October 27, 2010.

Floats Alaska LLC

Atlas STC → DRS ↗
02/21/2012

STC SH3319NM

Installation of Precise Pulselite Control System

Precise Flight Inc

Atlas STC → DRS ↗
10/20/2010

STC SA00068SE (PAGE 1)

Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1)

Electronics International Inc.

Atlas STC → DRS ↗
12/10/2009

STC SA2693NM (PAGE 1)

Installation of Electronics International digital volt/amp gauges and accessories.

Electronics International Inc.

Atlas STC → DRS ↗
06/26/2009

STC SA01734SE (PG 2)

Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.

Stewart Thomas D. and Stewart Dan R.

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 ↗
04/10/2006

STC SA02033AT (PAGE 1)

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 ↗
04/02/2006

STC SA01240SE (1 OF 5)

Installation of secondary voltage indication system

Visual Instruments LLC

Atlas STC → DRS ↗
03/29/2006

STC SA02268CH (PAGE 3)

Installation of Airwolf Filter Corp. Air Oil Separator

Airwolf Filter Corporation

Atlas STC → DRS ↗
08/19/2005

STC SH321NW

Installation of a Bendix fuel control/power governor system on the Allison 250-C20 turbine powered Hiller UH-12D rotorcraft. (UH-12D (ARMY UH-23D) modified per STC SH177WE)

Siam Hiller Holdings Inc

Atlas STC → DRS ↗
08/19/2005

STC SH297NW

Installation and maintenance of a cabin heater system. (UH-12D (ARMY UH-23D modified per STC SH178WE)

Siam Hiller Holdings Inc

Atlas STC → DRS ↗
08/19/2005

STC SH295NW

Installation of Hiller auxiliary fuel tanks kit No 72041. (UH-12D (ARMY UH-23D) modified per STC SH177WE)

Siam Hiller Holdings Inc

Atlas STC → DRS ↗
08/19/2005

STC SH247NW

Installation and maintenance of exhaust ejector engine oil cooler system. (UH-12D (ARMY UH-23D modified per STC SH177WE)

Siam Hiller Holdings Inc

Atlas STC → DRS ↗
08/19/2005

STC SH338NW

Installation of transmission oil cooling system on the Allison250-C20 turbine powered Hiller UH-12D rotorcraft. (UH-12D (ARMY UH-23D modified per STC SH177WE)

Siam Hiller Holdings Inc

Atlas STC → DRS ↗
08/19/2005

STC SH380NW

Installation and maintenance of engine auto reignition system. (UH-12D (ARMY UH-23D) modified per STC SH177WE)

Siam Hiller Holdings Inc

Atlas STC → DRS ↗
08/19/2005

STC SH299NW

Installation of Soloy cargo racks.

Siam Hiller Holdings Inc

Atlas STC → DRS ↗
08/19/2005

STC SH559NW

Installation and maintenance of engine inlet air cleaner system. (UH-12D (ARMY UH-23D) modified per STC SH177WE)

Siam Hiller Holdings Inc

Atlas STC → DRS ↗
08/19/2005

STC SH505NW

Installation of cargo release pedal.

Siam Hiller Holdings Inc

Atlas STC → DRS ↗
07/08/2005

STC SA00680SE (5 OF 6

Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.

Electronics International

Atlas STC → DRS ↗
06/29/2005

STC SA02033AT (PAGE 1)

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 ↗
05/17/2005

STC SA02033AT (PAGE 1)

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 ↗

+ 44 more STCs on file

07 / PMA replacement parts

FAA-approved replacement parts for HILLER UH-12D

60+ 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.

H 910#https://drs.faa.gov/browse/excelExternalWindow/60A0B4F0AE8A52D686258295006CFC84.0001##

Assembly, Barrier Air Filter Box

Cascade Aircraft Conversions LLC replaces H 920
PMA holder →
AA-63197#https://drs.faa.gov/browse/excelExternalWindow/E56D1A2542843DCC862581A10066812C.0001##

Bracket, Engine Snubber

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 63197
PMA holder →
AA-31321#https://drs.faa.gov/browse/excelExternalWindow/28829152EF48C18F862581A100667FC4.0001##

Shaft, Dual Collective Control

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 31321
PMA holder →
AA-31197-5#https://drs.faa.gov/browse/excelExternalWindow/79C97FC71272745A8625809E00619AE4.0001##

Fly-Weight Assy, Coll Pitch Ballast

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 31197-5
PMA holder →
AA-25234#https://drs.faa.gov/browse/excelExternalWindow/382049EA277C9BD48625809E00619275.0001##

Housing Assy, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25234
PMA holder →
AA-25230#https://drs.faa.gov/browse/excelExternalWindow/AE8CF4DC42EDE2778625809E0061909C.0001##

Guide, Motion Conv. Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25230
PMA holder →
AA-25220#https://drs.faa.gov/browse/excelExternalWindow/1595FCAFFFA7198D8625809E00618CF0.0001##

Plate, Retaining, Shaft, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25220
PMA holder →
AA-25211#https://drs.faa.gov/browse/excelExternalWindow/C440D57F58577D758625809E00618738.0001##

Gearshaft, Bevel, Input, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25211
PMA holder →
AA-25208#https://drs.faa.gov/browse/excelExternalWindow/91D16D186522A38E8625809E0061854B.0001##

Shim, Bearing Housing, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25208
PMA holder →
AA-25205#https://drs.faa.gov/browse/excelExternalWindow/19A18C0E1D647C7A8625809E00618455.0001##

Motion Converter, Pitch Change, Speed Decreaser (Rotary / Linear)

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25205
PMA holder →
AA-36004#https://drs.faa.gov/browse/excelExternalWindow/5F97F9774C832FE08625809E00618100.0001##

Fairing & Blade Assy, Control Rotor Tube

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 36004
PMA holder →
AA-25211#https://drs.faa.gov/browse/excelExternalWindow/2536A9721B22E0AE8625809E00616E4C.0001##

Gear Shaft, Bevel, Input, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25211
PMA holder →
AA-31318#https://drs.faa.gov/browse/excelExternalWindow/64CE2A06A997D66C862581A100667EFC.0001##

Bellcrank Assembly, Collective Control

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 31318
PMA holder →
AA-24540-2#https://drs.faa.gov/browse/excelExternalWindow/A4A7CC50A39BC2488625809E00618360.0001##

Universal Joint Assy

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 24540-2
PMA holder →
AA-63311#https://drs.faa.gov/browse/excelExternalWindow/F4969DE4DD5F800E8625809E00618271.0001##

Locking Ring, Gimbal Bearing

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 63311
PMA holder →
AA-24588#https://drs.faa.gov/browse/excelExternalWindow/C9D0648F0D009DA58625809E00617F93.0001##

Cardan Joint Assy, Tail Rotor Drive

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 24588
PMA holder →
AA-24540-2#https://drs.faa.gov/browse/excelExternalWindow/6FB018F896172BDD8625809E006179D7.0001##

Universal Joint Assy, FWD Tail Rotor Drive

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 24540-2
PMA holder →
AA-23600#https://drs.faa.gov/browse/excelExternalWindow/66CE5356A968D81D8625809E006178E2.0001##

Shaft, Rotor, Drive

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 23600
PMA holder →
AA-74184-11#https://drs.faa.gov/browse/excelExternalWindow/7892149D36479FDD8625809E00617869.0001##

Fitting, Coupling Shaft, Flexible, Cooling Fan Drive, Eng.

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 74184-11
PMA holder →
AA-43001-3#https://drs.faa.gov/browse/excelExternalWindow/0D69FDBF72C7F9688625809E00617306.0001##

Runner, Skid Landing Gear

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 43001-3
PMA holder →
AA-31198#https://drs.faa.gov/browse/excelExternalWindow/1412821658614CE58625809E00619A5C.0001##

Lever Assembly, Coll Pitch Ballast

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 31198
PMA holder →
AA-36209-3#https://drs.faa.gov/browse/excelExternalWindow/094FFB5D32CC05958625809E00619940.0001##

Blade Assy, Control Rotor

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 36209-3
PMA holder →
AA-25219#https://drs.faa.gov/browse/excelExternalWindow/7805764A57AB137C8625809E006194D4.0001##

Plate, Retaining, Shaft, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25219
PMA holder →
AA-31393#https://drs.faa.gov/browse/excelExternalWindow/1D204E042EBEBCC88625809E0061945A.0001##

Bracket Assy, Collective Pitch Ballast

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 31393
PMA holder →
AA-25224#https://drs.faa.gov/browse/excelExternalWindow/C8F9F2B44BFFE1DE8625809E00618EC4.0001##

Shaft, Pitch Change Speed Decreaser, Assy of

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25224
PMA holder →
AA-25219#https://drs.faa.gov/browse/excelExternalWindow/4B5A0D54AAB2F3078625809E00618C07.0001##

Plate, Retaining, Shaft, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25219
PMA holder →
AA-25218#https://drs.faa.gov/browse/excelExternalWindow/658763D2930DC6978625809E00618B1F.0001##

Housing Assy, Pitch Change Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25218
PMA holder →
AA-25214#https://drs.faa.gov/browse/excelExternalWindow/DFBCF41830A505CB8625809E00618AA5.0001##

Shaft, Rotary Drive, Motion Converter, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25214
PMA holder →
AA-25213#https://drs.faa.gov/browse/excelExternalWindow/950E4031239E12708625809E006189AA.0001##

Housing, Carrier Bearing, Outer Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25213
PMA holder →
AA-24608#https://drs.faa.gov/browse/excelExternalWindow/E91F1B1FEAE3ABB38625809E006198C2.0001##

Body, Tail Rotor Drive Slip Joint

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 24608
PMA holder →
AA-23586-5#https://drs.faa.gov/browse/excelExternalWindow/C87D445E186F6FD28625809E0061983C.0001##

Spacer, Planet Gear, 1st & 2nd Stage

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 23586
PMA holder →
AA-23586-3#https://drs.faa.gov/browse/excelExternalWindow/6754A8C4524401DB8625809E006197B3.0001##

Spacer, Planet Gear, 1st & 2nd Stage

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 23586
PMA holder →
AA-23529#https://drs.faa.gov/browse/excelExternalWindow/26C9D68D8F06E0E38625809E006196B3.0001##

Gear, Spur, Ring, Center Housing

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 23529
PMA holder →
AA-23530-3#https://drs.faa.gov/browse/excelExternalWindow/88E39664253050278625809E0061963E.0001##

Gear, Spur, Sun

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 23530-3
PMA holder →
AA-23527-3#https://drs.faa.gov/browse/excelExternalWindow/AFB4311BD4A433728625809E006195CD.0001##

Gear, Spur, Planet

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 23527-3
PMA holder →
AA-25233#https://drs.faa.gov/browse/excelExternalWindow/19E340DB5500DD8E8625809E006191FB.0001##

Shim, Retainer, Output Bearing, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25233
PMA holder →
AA-25231#https://drs.faa.gov/browse/excelExternalWindow/37E698DDFC2CADD18625809E00619180.0001##

Coupling, Shaft, Rigid, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25231
PMA holder →
AA-25228#https://drs.faa.gov/browse/excelExternalWindow/B3E2557B738786638625809E00618FAC.0001##

Retainer, Bearing, Output Shaft, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25228
PMA holder →
AA-25221#https://drs.faa.gov/browse/excelExternalWindow/3B200A42E709259F8625809E00618E52.0001##

Housing, Bearing Input, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25221
PMA holder →
AA-25212-5#https://drs.faa.gov/browse/excelExternalWindow/D9F7C76F2A5CC22D8625809E00618924.0001##

Shim, Gear Assy, Speed Decreaser

Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces 25212-5
PMA holder →

+ 20 more PMA parts on file

04 / Regulations watching this type

Advisory Circulars and Federal Register activity for HILLER UH-12D

Advisory Circulars

ACs whose subject explicitly mentions HILLER or UH-12D.

AC 20-82 Maintenance Inspection Notes for Fairchild Hiller F-27/FH-227 Series Aircraft ↗

Recent Federal Register activity

Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).

05 / Aircraft of this type

All 22 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.

22 of 22

N-number	St	Year	Status	NTSB	FAA
N105HH	SC	—	Active	●	Look up ↗
N106HH	SC	—	Active	·	Look up ↗
N11CU	TX	1957	Active	●	Look up ↗
N26PE	WA	—	Active	·	Look up ↗
N2770	DE	—	Active	●	Look up ↗
N28801	ND	—	Active	·	Look up ↗
N3269F	WA	1976	Active	●	Look up ↗
N374H	OH	—	Active	·	Look up ↗
N47063	DE	1962	Active	·	Look up ↗
N47077	ND	1957	Active	·	Look up ↗
N493BN	WI	1962	Active	·	Look up ↗
N58BA	UT	1957	Active	·	Look up ↗
N62361	NJ	1975	Active	·	Look up ↗
N62455	TX	1962	Active	·	Look up ↗
N686P	FL	—	Active	·	Look up ↗
N689HS	FL	1959	Active	·	Look up ↗
N853BB	OK	1958	Active	·	Look up ↗
N920HA	WA	1962	Active	·	Look up ↗
N9299Z	TX	—	Active	●	Look up ↗
N93456	AK	1958	Active	·	Look up ↗
N94515	CA	—	Active	●	Look up ↗
N94AP	VA	1959	Active	●	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

FAA Aircraft Registry →
Refreshed Apr 27, 2026

Available
NTSB CAROL →
Refreshed Apr 27, 2026

Available
Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026

Available

We render counts and lists as the agency publishes them. Read the methodology →