Skip to content
KnownTail
Aircraft record

N639781981 Beechcraft C-99

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:1 NTSB accident (substantial damage, Feb 1993)3 ADs may apply7 service difficulty reports

Registration
Valid
expires Apr 30, 2030
Based in
Boca Raton, FL
owner city / state
Engine
PT6A-60A · 1050 hp
P&W Canada
Owners
1
since 2007
NTSB events
1
substantial, 1993
ADs may apply
3
confirm with A&P
Service reports
7
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Uas Transervices INC
Owner type
Corporation
City, state
Boca Raton, FL
Certificate issued
May 1, 2007
Expires
Apr 30, 2030
Airworthiness
Standard · Normal
Airworthiness date
Oct 30, 1981

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
Beechcraft
Model
C-99
Year
1981
Serial number
U-171
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
17
Engines
2
Max takeoff weight
Up to 12,499 lb
Mode S code
A86299

Engine

Make and model
P&W Canada Pt6a-60a
Type
Turbo-prop
Power
1050 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. 2007 – nowUas Transervices INCBoca Raton, FL · current
  2. 1948 – 1955Individual ownerOlney, IL · different airframe: Cessna T-50 S/N 1511

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 (1)

Accident · substantial damage

Feb 25, 1993 · Seattle, WA

THE IMPROPER STARTING PROCEDURE BY THE PILOT OF THE AERONCA. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS INADEQUATE COMMUNICATIONS BY THE PILOT OF THE AERONCA.

Damage
Substantial
Injuries
None
Report
SEA93LA067

From NTSB records; matched by serial number.Read NTSB report (search CAROL for SEA93LA067)

Accident history for this model

ADs published since 1998 that may apply (3)

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.

ADSubjectEffectiveApplies to
2004-17-02Raytheon Aircraft Company 65, 90, 99, 100, 200, 300, and 1900 Series AirplanesOct 4, 2004Airframe (C-99)Certain serial numbers: 65-A90, B90, C90, C90A LJ-76; 65-A90, B90, C90, C90A LJ-114–LJ-1691; E90 LW-1–LW-347; F90 LA-2–LA-236; 99, 99A, A99A, B99, C99 U-1–U-239; 100, A100 B-1–B-94; …
2002-23-13Pratt & Whitney Canada PT6A Series Turboprop EnginesDec 31, 2002Engine (PT6A-60A)Only with: Engines with turbine exhaust ducts P/N 3012290, 3031988, 3032117, 3035784, 3035786, 3105890-01, 3112167-01, or 3111780-01 installed.
97-25-03Raytheon Aircraft Company 65, 90, 99, 100, 200, 300, 1900, and 2000 Series AirplanesJan 21, 1998Airframe (C-99)

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

Service Difficulty Reports (7)

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.

  • Landing gear · motor · failedAug 21, 2025

    PILOT REPORTED THAT ON FINAL APPROACH HE SELECTED GEAR DOWN AND NOTHING HAPPENED. PILOT CYCLED LANDING GEAR SELECTOR SEVERAL TIMES BEFORE RECEIVING A HYDRAULIC LOW WARNING ANNUNCIATOR. PILOT PULLED THE CIRCUIT BREAKER MANUALLY EXTENDED THE LANDING GEAR THEN LANDED SAFELY. MAINTENANCE TESTED AND…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · motor · noneDec 15, 2021

    THE PILOT WAS COMPLETING A REVENUE FLIGHT FROM MHT TO RUT. HE STATED THAT WHEN APPROACHING RUT HE HAD 3 GREEN LIGHTS BUT THE HYDRAULIC PRESSURE DROPPED, THE LANDING GEAR BREAKER POPPED AND HE DIDN’T FEEL THE GEAR HAD FULLY EXTENDED. HE DID NOT DECLARE AN EMERGENCY. THE PILOT PERFORMED A FLYBY AT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · motor · noneDec 15, 2021

    THE PILOT WAS COMPLETING A REVENUE FLIGHT FROM MHT TO RUT. HE STATED THAT WHEN APPROACHING RUT HE HAD 3 GREEN LIGHTS BUT THE HYDRAULIC PRESSURE DROPPED, THE LANDING GEAR BREAKER POPPED AND HE DIDN’T FEEL THE GEAR HAD FULLY EXTENDED. HE DID NOT DECLARE AN EMERGENCY. THE PILOT PERFORMED A FLYBY AT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 7 reports
  • Engine · bolt · brokenNov 12, 2016

    DURING A SCHEDULED BORESCOPE OF THE RT ENGINE FOUND THE CT BLADES WERE FOUND TO BE DAMAGED DUE TO FOD. A POWER TURBINE CONTAINMENT SHROUD BOLT HEAD WAS FOUND BROKEN OFF AND STILL TIED WITH SAFETY WIRE. THE REMAINDER OF THE BOLT HAD VIBRATED OUT OF ITS HOLE AND CAUSED FOD DAMAGE BEFORE EXITING THE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine · bolt · failedNov 12, 2016

    DURING A SCHEDULED BOROSCOPE OF THE RT ENGINE, THE COMPRESSOR TURBINE BLADES WERE FOUND DAMAGED BY FOD AND A POWER TURBINE CONTAINMENT SHROUD BOLT HEAD WAS FOUND BROKEN OFF AND RETAINED BY SAFETY WIRE. THE REST OF THE BOLT BACKED OUT OF ITS THREADED HOLE AND PASSED THROUGH THE COMPRESSOR TURBINE…

    From FAA Service Difficulty Reports; matched by N-number.
  • Landing gear · motor · inoperativeApr 7, 2015

    ON APPROACH, THE PILOT SELECTED THE LG TO THE DOWN POSITION. THE LG FAILED TO EXTEND & THE LG CONTROL CB POPPED. THE PILOT RESET THE CB & CYCLED THE LG WITH THE SAME RESULTS, THE CB POPPED & THE LG WOULD NOT EXTEND. THE PILOT PERFORMED AN EMER GEAR EXTENSION, THE LG EXTENDED TO THE FULL DOWN &…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · fitting · crackedJun 17, 2014

    AFTER DEPARTURE PILOT SELECTED LG HANDLE TO RETRACT POSITION, LG FAILED TO FULLY RETRACT. PILOT TROUBLESHOOTING REVEALED CB HAD POPPED & LG RED INDICATOR LIGHT WAS ILLUMINATED. RESET CB & PLACED LG HANDLE IN EXTEND POSITION, BOTH LT & RT MLG EXTENDED & LOCKED, NOSE GEAR FAILED TO EXTEND, CB POPPED…

    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

Request owner name removalReport an error in this record