# TCDS TC 644: Miller P. D.

- Type: Type certificate data sheet
- Status: Current
- Holder: Miller P. D.
- Revision: 0
- Product: Aircraft, Small Airplane
- Data sheet PDF: https://openairdocs.org/files/sha256/8d/67/8d677507185b32e06adf37a811d46d5be24899826f07e4d7214c03597217c4ad
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D7492DFB0B89CD078525673C0054F976.0001
- Page: https://openairdocs.org/tcds/TC%20644

## Models (1)

As the data sheet lists them.

- Y-1S

## What the data sheet says

This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.

```text
MILLER, P.D.
MODEIS: Miller Y-1S (Formerly Stearman-Hammond), 2 PCLM
I.C. NUMBER: 644
(Type Certificate holder, P.D. Miller, Congrete, Skagit County WA)
Engine  Menasco Pirate C4S
Fuel  73 minimum octane aviation gasoline
Engine limits  Maximu32.3 in.Rg..  except take-off
2260 rpm (150 hp)
Take-off  (one minute)
34.7 in.Hg..  2260 rpm (150 hp)
Airspeed limits  Level flight or climb - 125 mph True Ind.
Glide or dive - 170 mph True  Ind.
Flaps extended - 81 mph True Ind.
Propeller limits  Maximum permissible diameter 85-1/2 inches
c.G. range  (+17.2)  to (+24.2)
Datum  Wing leading edge at fuselage
Maximum weight  2250 1bs.
No. seats  2(-20)
Maximum baggage  100 1bs. (-1)
Fuel capacity  43 gallons (two 21-1/2 gallon tanks in wing) (+7)
Cil capacity  4 gallons (-1)
Certification basis  Type Certificate No. 644
(Aero Bulletin 7A requirements)
Production basis  None (See NOTE A)
Serial Nos. eligible  304 and up (See NOTE A)
Required equipment:  Items 101, 102, 103, 104, 105, 106
Eligible for export as follows subject to inspection for equipment specified
in Chapter XII of Inspection Handbook:
(a)  Canada
- Landplane
- Skiplane - not eligible.
(b) All other countries except Great Britain, Australia and New Zealand.
Propeller and Propeller Accessories:
106.  Propeller - wood (fixed pitch)  23 1bs.  (+56)
Engines and arter (clipse b-8o) Fuel and o1l systemis 1bs.  (+11)
oil cooler
Engine shielding  (+29)
305. Pressure fire extinguisher  (+7)
landing Gear and Floats:
104.. 21-inch streamline rear wheels
(Hayes 2100M) and tires
105. 18-inch streamline nose wheel
(Hayes 1801A) and tire
Electrical Equipment:
103.  Battery (Exide 6TS-7-1)  25 1bs.  (0)
303.  Generator (Hodges wind-driven)  8 lbs.  (+35)
NOTE A.  Prior to original certification,  each aircraft must satisfactorily pass:
(a)  An inspection for workmanship,  materials and conformity before any
covering,  metal priming or final finish is applied.  All woodwork may
be varnished.
(b)  A final inspection of the completed aircraft.
(c)  Check of flight characteristics.
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Miller P D Y-1S](https://openairdocs.org/model/miller-p-d-y-1s): 0 aircraft (registry code 5740102)

## STCs approved under this data sheet (3)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc.
- [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.. Andrew D. Humphrey

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