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Aircraft record

N984HA1994 Dehavilland DHC-8-106

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 19823 ADs may apply17 service difficulty reports

Registration
Valid
expires Jan 31, 2028
Based in
El Segundo, CA
owner city / state
Engine
PW121 · 1950 hp
P&W Canada
Owners
1
since 2012
NTSB events
None
since 1982
ADs may apply
3
confirm with A&P
Service reports
17
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Northrop Grumman Systems Corp
Owner type
Corporation
City, state
El Segundo, CA
Certificate issued
Jan 5, 2012
Expires
Jan 31, 2028
Airworthiness
Experimental · Research and Development
Airworthiness date
Aug 1, 2025

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
Dehavilland
Model
DHC-8-106
Year
1994
Serial number
377
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
44
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
ADBAB0

Engine

Make and model
P&W Canada Pw121
Type
Turbo-prop
Power
1950 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. 2012 – nowNorthrop Grumman Systems CorpEl Segundo, CA · current

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 (0)

No NTSB accidents or incidents found for this airframe since 1982.

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
2014-14-02Pratt & Whitney Canada Corp. Turboprop EnginesAug 15, 2014Engine (PW121)Only with: PW120, PW121, PW121A engines with Post SB21610 configuration; PW124B, PW127, PW127E, PW127F engines with Post SB21607 and/or Post SB21705 configuration; PW127G and PW127M engines unconditionally.
2012-26-08Pratt & Whitney Canada Corp. Turboprop EnginesFeb 15, 2013Engine (PW121)Serial numbers per P&WC ASB No. PW100-72-A21813 Rev 3, PW100-72-A21802 Rev 4, and PW100-72-A21798 Rev 5. Only with: Engines with propeller shafts having serial numbers listed in the referenced P&WC ASBs.
2003-21-03Pratt & Whitney Canada Models PW118, PW120, PW120A, and PW121 Turboprop EnginesNov 20, 2003Engine (PW121)

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

Service Difficulty Reports (17)

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.

  • Lights · battery · dischargedJan 7, 2009

    LT AFT EMERGENCY LIGHT EXTERIOR LIGHT INOPERATIVE. R&R EMERGENCY LIGHT BATTERY BASE AT 3351 PS3 AT ROW 3. IAW MM 33-51-00.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery · dischargedJan 7, 2009

    EMERGENCY CEILING LIGHT INOPERATIVE IN ROW 1 AND ROW 7. R&R LIGHT BATTERY BASE AT 3351 PS3 AT ROW 3 IAW 33-51-00.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Propellers · collar · debondedOct 6, 2008

    MINOR PROP VIBRATION NR 1 PROP FELT ON TAXI OUT. CLT MAINT INSPECTED FOUND A BLADE COLLAR DISBONDED. REMOVED BLADE COLLAR HALF PER HAM STAND 61-10-00 DNAA ITEM PLACED ON 10 FLIGHT HOUR DMT FOR BLADE REMOVAL AND REPLACEMENT. ROA MAINT REMOVED AND REPLACED NR 3 BLADE ON NR 1 PROP ASSY IAW WC…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Wings · panel · corrodedSep 9, 2008

    STRESS PANEL 623 AT, 522AT, 521AT, 523AT CORROSION FOUND COUNTER SINK HOLES. STRESS PANEL 623AT, 523AT CORROSION REMOVED AND RETREATED 622AT,522 AT OUT OFF LIMITS. R&R PANEL. 512 AT NEED BUSHING INSTALLATION.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · hydraulic line · crackedApr 27, 2008

    HYDRAULIC LEAK AT PSU ROW 5DF. AIRCRAFT RETURNED TO GATE. MX CAPPED LINE OFF. AIRCRAFT FERRIED TO MDT. MX REPLACED NOSE GEAR DOWN LINE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · line · leakingApr 27, 2008

    HYDRAULIC LINE LEAK IN CABIN PRESSURE VESSEL, OVERHEAD AT ROW 5DF.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Propellers · switch · failedOct 17, 2007

    AFTER TAKEOFF AND GEAR RETRACTED NR 1 ENGINE BETA LOCKOUT SYSTEM ACTIVATED. TORQUE REACHED 98 PERCENT ON INDICATOR, REDUCED TORQUE BY RETARDING POWER AND CONDITION LEVER TO 900 RPM. FOUND SWITCH 6141-S3 BAD. REPLACED SWITCH. RESET BETA SWITCHES, RAN AIRCRAFT PER WORK CARD 61-20-010, OPS CHECK GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fire protection · smoke detector · inoperativeJul 23, 2004

    WHILE IN MAINTENANCE IT WAS REPORTED AS THE NR 1 BAGGAGE BAY SMOKE DETECTOR AS BEING INOPERATIVE UPON TEST. MAINTENANCE REMOVED AND REPLACED THE NR 1 SMOKE DETECTOR. SYSTEM OPERATIONAL CHECKS GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Navigation · computer · faultyMar 6, 2004

    FLIGHT 3893 HAD TO RETURN TO FIELD DUE TO NR 2 ADI AND HSI FAILING ON INITIAL CLIMB. MAINTENANCE REMOVED AND REPLACED NR 2 AHARS COMPUTER AND OPERATIONAL CHECKED NR 2 HSI AND ADI, ALL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · wire · damagedJul 5, 2002

    DURING ROUTINE MAINTENANCE VISIT EMERGENCY LIGHT AT AIRSTAIR DOOR EXIT FOUND INOPERATIVE. WIRING REPAIRED AT ATTACH POINT TO TERMINAL IN WARDROBE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

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

Showing the 10 most recent of 17 reports.

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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