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Production Lists:
Construction Number Locations
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See also:
Production Lists: A to M
Production Lists: N to Z
Useful Reference Texts
 

Not an invitation to enter these places, but an idea where the c/n might be found if permission is given!


TYPE
LOCATION
Aermacchi MB.326 & MB.339 Behind rear pilot's seat on LH side
Aerospatiale AS.332/AS.532 Cougar/Super Puma Behind the LH pilot seat
Aerospatiale AS.350/AS.550 Ecureuil/Squirrel/A Star Rear decking, behind RH pilot's seat. Some have this on the RH side of the cabin, towards the tail boom (US registered examples only?)
Aerospatiale AS.355/AS.555 Twin Squirrel/Fennec On cockpit floor near LH door. Some have this on the RH side of the cabin, towards the tail boom (US registered examples only?)
Aerospatiale SA.313, SE.3130 & SA.316 Alouette III LH side on frame under the engine
Aerospatiale SA.330 Puma On inside of 'broom cupboard' door, behind pilot's seats
Aerospatiale SA.342 Gazelle Base of central console, LH side (cockpit)
Aerospatiale SE.210 Caravelle On left bulkhead of rear stair entry
Agusta A.109/AB.204 & AB.206 LH side, on the console (cockpit)
Agusta AB.47 On plate on LH cockpit floor
Agusta AB.212 LH door frame
Agusta AB.412 RH side on the console (cockpit)
Airbus A.300/A.310 RH front passenger door frame (above your head!)
Airbus A.320
RH front passenger door frame, on the frame lip (above your head!)
Airbus A.330
LH front passenger door frame, on the frame lip (above your head!)
Airbus A.340
LH front passenger door frame, on the frame lip (above your head!)
Air Tractor (all types)
Aft fuselage, LH side, below tailplane.
Antonov An-2 On fuselage under LH tailplane and on a plate under the pilot's window.
Antonov An-8 Normally on the tail
Antonov An-12 Normally on RH side of tail but also on nose
Antonov An-24/An-26 Normally stencilled under LH horizontal stabilizer, in nosewheel bay & in LH undercarriage bay
Antonov An-30/An-32 Normally stencilled under LH horizontal stabilizer. An-32: A plate is also on the radome bulkhead.
Antonov An-28/An-38 Normally on inside of both vertical stabilizers
Antonov An-72/An-74 Rear cargo ramp (only visible when ramp is lowered)
ATR 42  Forward frame of the access to the rear pressure bulkhead
Aviat (Pitts) S-2C
LH outside of fuselage, below rear of canopy.
Ayres S-2R Turbo Thrush
LH side of fuselage just aft of pilots door.
BAC Jet Provost/Strikemaster On the cockpit rear bulkhead on the RH side at about head rest height; also in the nose undercarriage bay on the rear bulkhead.
BAC One-Eleven
On LH side on entering via the front steps
BAe 146/Avro RJ Bulkhead on entrance to flight deck, LH side
BAe Jetstream 41
Aft fuselage, LH side, just aft of door, on ventral fin.
Beech 18 (Pre-war, models 18 to C18)
On a cockpit sub-panel.
Beech D18S
Often on the forward frame of the passenger door at the rear; sometimes on the centre of the door between the cabin and the cockpit.
Beech E18, G18 & H18 On the rear RH fuselage, under the front edge of the horizontal stabiliser.
Beech 76 Duchess
RH lower side of fuselage next to flap.
Beech 1900C/1900D
Aft fuselage, LH side, below horizontal strake.
Beech Baron Series
RH lower side of fuselage next to flap.
Beech 400A Beechjet
Aft fuselage, LH side, near base of fin.
Beech Bonanza Series
RH lower side of fuselage next to flap.
Beech C-12 LH rear fuselage, nose undercarriage door and engine intakes
Beech C-45G/H On the centre top of the horizontal stabiliser.
Beech 200 Super King Air LH rear fuselage, aft edge of entry door frame
Beech King Air 300/350
Aft fuselage, LH side, above side-strake.
Beech Musketeer LH rear fuselage, below tailplane
Beech T-1A LH side of fuselage
Beech AT-7, AT-11, C-45, SNB, JRB On a cockpit sub panel or on a bulkhead support above and behind the pilots head.
Beech T-34C RH side of fuselage, under the tail
Bell 47 Instrument panel console, LH side
Bell 206 RH side of centre console, radio bay in nose; some have the plate on the RH side of the cabin, towards the tail boom
Bell 206L LongRanger On the RH side of the cabin, towards the tail boom (US registered examples only?)
Bell 222 RH side, just above the sponson (US registered examples only?)
Bell 407 On the RH side of the cabin, towards the tail boom (US registered examples only?)
Bell 412 On the RH side of the cabin, towards the tail boom
Bell 427 On the RH side of the cabin, towards the tail boom (US registered examples only?)
Bell 430 RH side, just above the sponson (US registered examples only?)
Bell AH-1 On back seat instrument panel, LH side
Bell OH-58 LH cockpit footwell
Bell UH-1/205 Cockpit footwell - LH side or RH side?? On later models on a plate at top RH side of cockpit. On other models the plate is on the rear of the left-hand door frame as you look backwards.
Bell-Boeing V-22 Osprey
Visible through the starboard side forward window, by the windscreen wiper motor.
Blackburn Buccaneer (fuselage number) When the nose is folded and when viewed from the front in this state, the fuselage number can be found on a plate on the exposed fuselage frame on the left hand side.
Boeing 707 Front LH passenger door frame or aft edge of LH door frame or near rear LH passenger door
Boeing 717 Front LH passenger door frame (LH side, at eye level)
Boeing 727 On LH side of aft passenger door frame
Boeing 737/747/757 LH front passenger door frame (above your head!)
Boeing 767 Front LH entry door, above your head as you enter
Boeing H-46 High on RH bulkhead on cockpit entry
Boeing H-47 Cockpit footwell, LH side
Boeing AH-64 On the instrument panel of the rear cockpit
Boeing MD.11
LH front passenger door frame (above your head!)
Boeing T-45 Behind instructor's seat
Boeing-Stearman PT-13, PT-17
In the aft cockpit on the port side of the instrument panel (but many have been moved elsewhere over the years.)
Bombardier BD-700 Global Express
Underside of aft fuselage near baggage door.
Britten-Norman Islander In the pilot's door frame, at the top inside (on fuselage).  Some US or former US registered a/c have another plate on the rear of the fuselage under the port stabiliser.
Bucker Jungmann & Jungmeister
Two plates: One on tail near the landing gear and the second at the bottom of the engine firewall.
Canadair CL.215
On the left hand side of the fuselage near the entry door, just aft of the cockpit.
CASA 101 Behind rear seat
CASA 212 LH side of cockpit on entry or painted on tail
CASA CN.235 RH side of cockpit on entry or painted on tail
CASA CN.235 (IPTN built) LH side of cockpit doorway
CASA 295
LH side of cockpit entrance.
Cessna 150 On firewall
Cessna 172/182 On LH fuselage rear
Cessna 188
Inside cockpit, rear bulkhead, between seat and R/H sidewall.
Cessna 208 LH rear fuselage, below tailplane
Cessna 310 Nose undercarriage wheel bay & LH rear fuselage, below tailplane
Cessna 404 Titan
Fwd edge of main door's fuselage frame.
Cessna A-37/T-37 Behind ejection seats. Only visible when the canopy is open.
Cessna UC-35 Aft LH side of fuselage, under engine
Cessna singles (other than above) LH door frame, forward edge, between the hinges
Chichester-Miles Leopard
Behind trim beside the RH passenger's seat.
Cirrus SR.20
Aft LH side of rear fuselage, under the tailplane.
Curtiss C-46
Cockpit ceiling or on a bulkhead behind the pilot's seat, near the access door.
Cyclone Ax3/2000 Microlights On the centre pole at the rear end, just before the fin joint.
Cyclone Quantum/Quasar Microlights On the centre pole within the pod - in marker pen.
Cyclone/Pegasus XL Microlights On the centre pole, within the pod at the bottom - etched.
Dassault Falcon 900
Aft fuselage, LH side, below & behind engine.
Dassault Falcon 2000
Aft fuselage, LH side, below & behind engine.
Dassault Mirage 5
In both main wheel wells, on the top panel (against the wing).
Dassault Mirage F1
On the aft nosewheel door.
Dassault Mirage 2000 In port main undercarriage bay on the front bulkhead.
DH.82 Tiger Moth Early Tigers [DH built] had a c/n plate screwed/riveted on the cockpit panel. Morris built Tigers have a brass plate riveted on the bottom longeron on the starboard side near the pilot's feet - the MCO/DH number equates to the c/n if you add 81923!
DH.114 Heron
On cockpit bulkhead just behind co-pilot's head.
DH Vampire Next to the battery box inside the nose of the pod.
DHC-1 Chipmunk

Manufacturer's number painted in white on the inside of the luggage locker door behind the rear seat. [Fuselage number plate on the bulkhead at the back of the rear cockpit near the pilot's left shoulder.]

DHC-2 Beaver
On bottom central part of instrument panel near floor.
DHC-4A Caribou Aft paratroop door frame
DHC-6 Twin Otter
On fwd bulkhead in aft baggage compartment.
DHC-8 Dash 8
LH frame on main entry doorway as you enter.
Dornier Do.27
On the LH side of the fuselage between the cockpit and cabin doors.
Douglas DC-3 High on RH side bulkhead on cockpit entry
Douglas DC-6/DC-7 At bottom sill of right-hand forward (galley) door
Douglas DC-.8 On cockpit door
EH Industries EH-101
Canadian aircraft: At head height, on the starboard bulkhead as you walk between the cargo compartment and the cockpit.
Embraer AMX
Under the LH tailplane
Embraer Bandeirante
Under the LH tailplane
Embraer Brasilia
Under the LH tailplane
Embraer ERJ-145
Under the LH tailplane
Embraer Tucano Under the LH tailplane
English Electric Canberra
Above the entrance hatch, on the stiffening plate that surrounds it, in the cockpit.
Enstrom F.28/280/480 RH side on tail boom right by tail rotor (US registered examples only?)
Eurocopter EC.120/EC.130/EC.135/EC.145 On the RH side of the cabin, towards the tail boom.
Eurocopter AS.332/AS.532 Cougar/Super Puma
On a bulkhead behind the LH pilot seat.
Eurocopter Tiger
LH side of the nose, visible through window by pilot's feet.
Eurocopter UH-72 Lakota
Upper skid on lefthand side and also on LH side, inside, behind the pilot's seat.
Evektor Microlights Often at the rear of the cockpit, visible through the rear glazing but sometimes under or on the fuselage.
Extra EA.300L
Lower LH side of fuselage, just aft of wing, above step.
Fairchild C-82 & C-119 Flying Boxcar
Inside the cabin, on the rear of the flight deck bulkhead
Fairchild C-123 Provider
On the aft side of the bulkhead at the front of the cargo bay (can be seen whilst climbing the ladder into the cockpit)
FFA AS.202 Bravo
On the right-hand side of the engine bulkhead (and can only be viewed with the cowlings open).
Fiat G-91 Under the cockpit on the LH side of the fuselage
Fletcher FU-24
Aft fuselage, LH side, below tailplane.
Fokker 50 & 60 RH side of cockpit doorway (at shoulder height)
Fokker 70/100 On bulkhead behind captain's seat
Fokker F-27 Inside LH cockpit doorway
Fouga Magister
On top of the bulkhead behind the rear seat
GAF Nomad
Inside nose locker, LH front side of bulkhead.
Gippsland GA-8 Airvan
Aft fuselage, LH side, below tailplane.
Gloster Meteor
On the rear face of two bulkheads behind the cockpit. On the NF14 the c/n can be found on the inter-decking between the two seats.
Grumman AA-1 Series
Aft fuselage, LH side, below tailplane.
Grumman AA-5 Series
Aft fuselage, LH side, below tailplane.
Grumman C-2A Greyhound In LH side of cockpit
Grumman E-2 Hawkeye On the rear frame of the pilot's side window
Grumman F-14 Tomcat RH side of front cockpit, just below canopy frame
Grumman G.164 AgCat
Aft fuselage, L/H side, below tailplane.
Grumman Mallard On left rear fuselage beneath tailplane
Grumman S-2 Tracker On LH cockpit bulkhead, above pilot's shoulder
Grumman HU-16 Albatross
On LH cockpit bulkhead
Gulfstream IV Series
Aft fuselage, LH side, below engine or on centreline.
Gulfstream V Series
Aft fuselage, LH side, below engine or on centreline.
HAL Dhruv
Footwell by pilot's foot and on rear of tail boom
Harbin Y-12 Plate on LH side under the tailplane
Handley-Page Herald Plate on RH side of LH pilot's seat, at about head height as you enter the cockpit
Hawker Hunter Port side lip of nose wheel door & port main wheel well against the lower fuselage side (fuselage c/n)
Helicopter Data Plate Locations (Aeroboek)
https://www.aeroboek.nl/ab-105.htm
Howard 500
Aft fuselage, LH side, under tailplane.
HP Herald LH side of cockpit doorway
Hughes 269
LH cockpit foot well.
Hughes OH-6
Below the LH pilot seat, near the pedals.
IAI Arava
On the RH side of the rear fuselage, just in front of the cargo doors.
Ilyushin Il-38 Rear wall of nose gear bay
Ilyushin Il-62
Left main wheel bay
Ilyushin Il-76 On ceiling, rear cargo hold pressure bulkhead (readable with cargo doors open)
Jabiru (Avtech built models) Attached to the fuselage between the top and bottom LH door hinges. (Only visible when the LH door is open.)
Kaman SH-2 Seasprite Cockpit bulkhead, LH side, adjacent to crew member's left arm
Kaman SH-2G(A) Seasprite On a lower fuselage frame, viewed through the L/H 'chin' window, looking forward
Kamov Ka-26 Normally on door rail on LH side
Let L-29 Delfin In main wheel well (LH side) and on LH side of tail - only the last four digits
Let L-39 Albatros On air intakes and a plate on starboard frame of fixed canopy portion at front of rear cockpit
Let L-410 Inside of RH main doorway. 
Let Z-37 Cmelak
On right side of the aircraft near the cabin door.
Liberty XL-2
Aft fuselage, LH side, below tailplane.
Lim (all models) Often on tail, in undercarriage bay and on top of the fuselage behind the cockpit
Lockheed C-130 (except C-130J) Plate forward of navigator's station on flight deck
Lockheed C-130J
On the side of a cockpit fitting, visible ahead of you as you walk up the steps to the cockpit. (At shoulder height on the righthand side if sitting at the rear of the cockpit.)
Lockheed F-104 Starfighter Usually behind seat on console
Lockheed L-1329 JetStar
Rigthand side of the airstairs, door frame or bulkhead by the door.
Lockheed P-3 Orion Behind LH seat on RH side of  instrument panel, above circuit breaker panel
Lockheed S-3 Viking On bar above LH seat
Lockheed T-33 Rear cockpit, RH side, just under canopy rail. There is a plate inside the port main wheel well, against the fuselage side.
Mainair Microlights Starboard side, etched in the frame at rear of engine mount. Sailwing c/n seen by looking directly up the centre wing pole and at the apex of the sailwing (on the inside).
Max Holste MH.1521 Borussard In the cockpit near the right wing attachment. 
MBB Bo.105 Outside on fuselage (right hand), behind cockpit ,  next to the passenger door.
MBB BK.117 RH side of the centre console
McD A-4 Skyhawk Cockpit rear bulkhead, on RH side
McDD (Boeing) DC-9/DC-10/MD-11 Inside and forward of the forward RH passenger door
McDD F-4 Phantom II On RH side in front cockpit, adjacent to pilot's knee
McDD F/A-18 Hornet On LH side under canopy glass, behind seat
McDD MD.500 On LH side on the console (cockpit)
McDD T-45C Goshawk
On the rear cockpit bulkhead
MDH MD.500/MD.520/MD.600 RH side of the cabin, low down. (US registered examples only?)
MDH MD.900 RH side just aft of door and mid-way up the height of the door. (US registered examples only?)
Medway Microlights On the centre pole - in marker pen.
MiG-15/MiG-17 On nosehweel door and in main landing gear bay
MiG-19 In main landing gear bay
MiG-21 In nosewheel bay (left forward bulkhead), in main landing gear bay and on panels elsewhere
MiG-25/MiG-31 In the nose and main landing gear bays
MiG-27 On both sides of the landing gear (last five numbers only)
MiG-29 In main landing gear bay (RH side)
Mil Mi-2 Often painted on both sides of tail boom and on RH side cockpit panel
Mil Mi-6 On LH side of tail boom
Mil Mi-8 On one of the rafters as you head towards the tail. Partial c/n sometimes found on rear of small oval plate on LH side of fuselage aft of the windows
Mil Mi-24 RH stub wing end and inside the door.
Mil Mi-26 On rear side of all four cabin doors
Mitsubishi Mu-2
On the side of the fuselage, beneath the LH tailplane.
Mooney M.20J and up
Aft fuselage, LH side, below tailplane.
NA T-6 Harvard/Texan Front cockpit, RH side
NA T-28 Trojan
Forward cockpit area, RH side (NAA plate). Additionally USAF examples have a plate on the bulkhead at the front of the rear cockpit.
NH Industries NH.90
LH side of the nose, visible through window by pilot's feet.
Northrop F-5 Behind ejection seat on a bulkhead on LH side
Pacific Aerospace PAC-750XL
Aft fuselage, LH side, below tailplane.
Partenavia P.68 Victor
Many plates with c/n on ends of control surfaces.
Percival Provost Above pilot's seat
Piaggio P.166
Rear of the baggage compartment.
Pilatus PC-6 Engine firewall bulkhead, LH side
Pilatus PC-12
Often on the nosewheel doors and aft fuselage, LH side, below fin.
Piper Super Cub Main plate is often on the rear parcel shelf but the frame number - which is different but can be converted to the c/n is stamped on the top cross tube in the cockpit - visible from the port side.  This is
for early PA-18s only.  Later ones have the frame number stamped on a tube by the pilot's feet.
Piper PA-25 Pawnee
Inside cockpit, on hat-shelf, L/H side facing skywards.
Piper PA-28 Series
Aft fuselage, LH side, below tailplane.
Piper PA-30 Twin Comanche
Aft fuselage, LH side, below tailplane.
Piper PA-31 Series (older models)
Underside of fuselage, LH side between door & flap.
Piper PA-31 Series (newer models)
Underside of aft fuselage beneath empennage.
Piper PA-32 Series
Aft fuselage, LH side, below tailplane.
Piper PA-34 Seneca On the LH rear fuselage under the tailplane
Piper PA-38 Tomahawk
On the LH rear fuselage under the tailplane
Piper PA-39 Twin Comanche
Aft fuselage, LH side, below tailplane.
Piper PA-44 Seminole
On the LH rear fusealge approx 1m from the tailplane
Piper PA-46 Series
Aft fuselage, LH side, below tailplane.
PZL Wilga Stencilled on numerous fuselage panels.
Rans S.6 Coyote Early examples have the Rans No etched on the rear of the facia, but often these areas are covered over later.  Later examples have a plate on the left-hand side of the cabin floor,but again often get covered up by matting etc. 
Raytheon 390 Premier
Aft fuselage, LH side, below engine tailpipe.
Reims-Cessna F.406
Under the LH tailplane
Republic F-84G Thunderstreak
In right main undercarriage bay, plus dataplate in the cockpit on the port side near the pilot's shoulder.
Robin R2100A Under the RH tailplane
Robinson R-22/R-44 Located vertically on LH side towards front of LH seat or below the right door, on the lower part of the pod. 
Rockwell Commander 112/114 LH side rear fuselage just below the tailplane.
Rockwell S-2R Thrush Commander
Inside cockpit, aft bulkhead, LH side.
Rockwell T-2C Buckeye Rear cockpit, LH side, rear panel
Rockwell Twin Commander (500, 680 and 690A) Located roughly at eye-level, port fuselage, under the tailplane.
RTAF4 Chantra
The plate (in Thai) is on the bulkhead at the back of the cockpit.
SAAB J29 Tunnan
In the cockpit behind the top of the headrest on the ejection seat.
SAAB J32 Lansen
In the rear-cockpit behind the top of the headrest on the ejection seat.
SAAB 35 Draken
On the rear panel behind the ejector seat, just under the top of the canopy.
SAAB 37 Viggen
On the rear panel behind the ejector seat, just under the top of the canopy.
SAAB 105OE Beneath the horizontal tailplane, on the tail.
Saunders-Roe Skeeter
On the lower RH door sill
Scottish Aviation Twin Pioneer
On the side of the bulkhead on the left hand side as you walk into the cockpit from the cabin, at about elbow/shoulder height.
Short Sandringham/Sunderland On plate on bulkhead by LH crew door
Sikorsky S-61/S-65/S-70 RH side of centre console, between the pilots
Sikorsky S-64 SkyCrane RH side of centre console in cockpit or on the rear of the cabin
Sikorsky S-64F SkyCrane (Erickson mods) RH side, beside the crew entry door
Sikorsky S-76 RH side, just forward of the stabilizer.
Sikorsky SH-60 Seahawk Centre console sidewall, LH side, under seat (except 165112 - see UH-60!)
Sikorsky UH-60 Black hawk Sliding door frame, RH side/ centre console sidewall, RH side
Sikorsky H-53 RH side on console (cockpit)
Skyfox CA-22
On the engine firewall.
Slingsby T-67 LH fuselage, just behind the cockpit
SOCATA TB-9/TB-10/TB-20
Aft fuselage, LH side, below tailplane.
SOCATA TBM-700
Aft fuselage, LH side, below tailplane.
Sud Ouest SO.1221 Djinn The C/N plate is located on the cockpit floor, just in front of the RH pedals.
Sukhoi Su-17/Su-20/Su-22 In nosewheel bay and on pylons
Sukhoi Su-24 On pilot's seat (last five digits only)
Sukhoi Su-25 Last five digits sometimes on wingtip air brakes or on extendable foot rest
Sukhoi Su-26
Left hand side fuselage behind side window, a brass or steel plate mounted on one of the tubes.
Sukhoi Su-27 Front bulkhead of nosewheel bay or painted under rear of canopy (must be open to read). Also stencilled in LH main gear well
Sukhoi Su-28 On door of stairs
Sukhoi Su-29 Left hand side fuselage behind side window, a brass or steel plate mounted on one of the tubes.
Sukhoi Su-30 Front bulkhead of nosewheel bay and LH main gear well
Sukhoi Su-31
Left hand side fuselage behind side window, a brass or steel plate mounted on one of the tubes.
Sukhoi Su-33/Su-35 Painted above main wheel bays and on plate in nosewheel bay and LH main gear well
Swearingen Metro Series
Aft fuselage, LH side, just above or on ventral strake.
Tecnam Microlights
On the engine firewall.
Tecnam P-2002
Aft fuselage, LH side, just fwd of tailplane.
Thruster T600 Microlights On the centre pole, immediately above the door on the port side.
Transavia PL-12 Airtruk
Inside cockpit, R/H side of inst. panel, pilots knee height.
Tupolev Tu-16 On tail and often on nose
Tupolev Tu-22/Tu-95/Tu-142 In the nosewheel bay
Tupolev Tu-134 On front bulkhead in nosehweel bay
Tupolev Tu-154 On every panel in the cargo bay and on plate on all main undercarriage doors
Ulbi Wild Thing
In the cockpit on the righthand side above the windshield.
Valmet L-70/L-90 Between the two back seats
Westland Lynx On door frame by LH seat
Westland WB.47 Sioux Rear firewall, LH side (line number)
Yakovlev Yak-11
On a plate on the firewall in the engine bay
Yakovlev Yak-18/Yak-40 Usually painted on tail
Yakovlev Yak-50 Inside engine bay (visible only when panels are removed).
Yakovlev Yak-52 Lower plate, LH rear fuselage, behind the base of the rudder
YakovlevYak-42/Yak-142 Painted on tail before centre engine exhaust
Zenair CH600/700 Some have a plate on the starboard side under/just forward of the tailplane.

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