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N51AG

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1971 Bell UH-1H · Amateur-built UNKNOWN ENG

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Registered owner
Brown Helicopter Inc
Location
Pensacola, FL
Owner type
Corporation
Serial number
71-20178
Year built
1971
Type
Rotorcraft
Engine
Turbo-shaft
Airworthiness
Restricted, agriculture and pest control, forest, other
Airworthiness date
July 17, 1997
Certificate issued
December 11, 2014
Expires
December 31, 2027
Mode S code
A65F1D
Bell UH-1HAirframe model · 15 seats · 1 engine · 291 registeredEngine modelAmateur-built UNKNOWN ENG

From the FAA registry file of October 24, 2026.

On this page

Airworthiness directives that may apply · 26

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

1980In forceSuperseded2026
See all 28 ADs

Information bulletins that may apply · 2

Advisory, not mandatory.

Historical bulletins · 1
SAIB SW-18-29Rotorcraft Tail Boom, Attach Structure FailureIssued Oct 1, 2018

NTSB investigations · 1

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

NTSB ATL05LA035Accident · No injuriesLimited investigationFinal reportRockford, ALThe pilot's failure to maintain adequate obstacle clearance, which resulted in an in-flight collision with a tree.Dec 16, 2004 · Substantial damage
Investigations on N51AG not matched to an aircraft · 1

They name N51AG, but no registry record covers the date, the aircraft registered then was built later, or the investigation describes another aircraft.

NTSB FTW83LA173Accident · No injuriesLimited investigationFinal reportAnderson, Greenwood 51 · Tomball, TXThe plt was taxiing from the ramp & attempted to turn left onto a taxiway. The nose gear steering was not sufficient to make the turn, so he applied left brake. However, the left brake did not operate since the master cylinder was void of brake fluid. The…Mar 31, 1983 · Substantial damage

FAA incident reports · 2

FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.

Accident 20041215033109ALow Level Operations · Rockford, AL(-23) While performing aerial applications over timber land, pilot reported a loud "bang" and loss of tail rotor effectiveness at the apex of the spray turn. Pilot made emergency landing into small trees resulting in substantial damage to the helicopter. No…Dec 15, 2004 · Substantial damageIncident 19960717023739IPwr On Vertical Ldng/Rtrcrft · Selingsgrove, PANarrative: on July 17, 1996 at 1730 hours local time, a Bell model UH-1H helicopter, N51AG, registered to agrotors, inc., made a precautionary landing in a field about five miles north of Penn Valley Airport (seg). The pilot-in-command, victor emanuel gray,…Jul 17, 1996
Reports on N51AG not matched to an aircraft · 2

They name N51AG, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

Accident 19830331010499ABlanca 51ARIES · Tomball, TXTried to make sharp turn on taxiway but brake failed. Ran off into soft ground. Main gear hit a hole and collapsed.Mar 31, 1983 · Substantial damageIncident 19820111002029IBlanca 51ARIES · Houston, TXZg zt fumes in cockpit and engine vibration. Propeller spinner bulkhead failed at propeller attach bolt area.Jan 11, 1982 · Minor damage

Service difficulty reports · 22

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

SDR LS12003F00000Skin · crackedTHE TAILBOOM FIRST 2 UPPER SKINS HAD NUMEROUS CRACKS. UNDER NORMAL OPERATIONS THESE CRACKS WOULD NEVER MATERIALIZE. THE AIRCRAFT HAS BEEN DOING LIFTING WORK. MUCH MORE THAN NORMAL OPERATIONS. THIS LOADS AND UNLOADS THE TAILBOOM NUMEROUS TIMES. THE RESULTIJun 6, 2003 · N51AG · Bell UH1H · Rotorcraft Tail BoomSDR LS1R074916Battery · weakPART IS WEAK.Jul 20, 2001 · N51AG · Bell UH1H · Battery/Charger SystemSDR LS1R072190Cable Drum · stretchedCABLE DRUM STRETCHED.Apr 10, 2001 · N51AG · Bell UH1H · Flight Control System
See all 22 reports

STCs that may be installed

No STCs matched this aircraft’s modelsSTCs are matched through the model’s type certificate data sheet, and this registry model isn’t matched to one.