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Aircraft record

N745BWMcdonnell Douglas Helicopter 600N

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Jun 4, 2022.

Safety record in brief:2 NTSB accidents (destroyed damage at worst, latest Jul 2020)No ADs since 1998 matched1 service difficulty report

Registration
Deregistered
Last based in
Oklahoma City, OK
owner city / state
Engine
250-C47 · 600 hp
Allison
Owners
1
since 2019
NTSB events
2
destroyed, 2020
ADs may apply
0
confirm with A&P
Service reports
1
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Cobra Aviation Services LLC
Owner type
LLC
City, state
Oklahoma City, OK
Certificate issued
Feb 19, 2019
Canceled
Jun 4, 2022
Airworthiness
Standard · Normal
Airworthiness date
Nov 25, 1998

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Mcdonnell Douglas Helicopter
Model
600N
Serial number
RN045
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
6
Engines
1
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
H3WE
Mode S code
AA054B

Engine

Make and model
Allison 250-C47
Type
Turbo-shaft
Power
600 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2019 – 2022Cobra Aviation Services LLCOklahoma City, OK

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (2)

Accident · destroyed

Jul 20, 2020 · San Andreas, CA

The failure of the output shaft of the overrunning clutch inner race due to frictional overheating of the shaft, which resulted from the failure of the output bearing’s stainless-steel grease seal.

Damage
Destroyed
Injuries
None
Report
WPR20LA228

From NTSB records; matched by N-number.Read NTSB report (search CAROL for WPR20LA228)

Accident · substantial damage

Feb 5, 2016 · Ashland, OR

Fatigue cracking of a main rotor blade for reasons that could not be determined based on the available information.

Damage
Substantial
Injuries
None
Report
WPR16LA081

From NTSB records; matched by serial number.Read NTSB report (search CAROL for WPR16LA081)

Accident history for this model

ADs published since 1998 that may apply (0)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

No ADs published since 1998 matched this airframe or engine model.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (1)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Engine · engine · failedJul 27, 2020

    THE FRONT PASSENGER AND I DETECTED THE SMELL OF SMOKE IN THE FRONT OF THE CABIN AND SAW SMOKE RISING FROM UNDER THE FORWARD SEAT AREA. FROM APPROXIMATELY 250FT AGL I BEGAN TO MAKE A RAPID DECENT TO A SUITABLE AREA TO LAND ALONG THE ROAD. WHILE MAKING A POWER-ON APPROACH TO THE CLEARING THE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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