# CallAir A-9

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{{Short description|American agricultural aircraft}}
{{Refimprove|date=December 2009}}
<!-- This article is a part of Wikipedia:WikiProject Aircraft. Please see Wikipedia:WikiProject Aircraft/page content for recommended layout. -->
{{Infobox aircraft
 | name=A-9
 | image=Aero Cmmdr A-9B Ag Cmmdr Super N7922V Driggs ID 22.06.94R edited-2.jpg
 | caption=CallAir A-9B glider tug at Driggs Idaho in June 1994
 | type= Agricultural aircraft
 | national_origin=United States
 | manufacturer=[Intermountain Manufacturing Company](/source/Intermountain_Manufacturing_Company), [Aero Commander](/source/Aero_Commander_(aircraft_manufacturer))
 | designer=
 | first_flight=1963<ref name="JAWA65 p246-7"/>
 | introduction=
 | retired=
 | status=
 | produced=
 | primary_user=
 | number_built=
 | developed_from= [CallAir Model A](/source/CallAir_Model_A)
 | variants=
 | developed_into=
}}
thumb|N8234H, an original CallAir A-9 c/n 1211, before they were taken over by IMCO, and later by Rockwell Aero Commander
[[File:AAMSA A9B-M Quail "Naco" 2.jpg|thumb|AAMSA A9B-M Quail "Naco" exhibited at [Mexican Air Force Museum](/source/Mexican_Air_Force_Museum).]]

: ''For the [USAF](/source/USAF) unmanned Quail drone aircraft, see [ADM-20 Quail](/source/ADM-20_Quail).''
The '''IMCO CallAir A-9''' is an [agricultural aircraft](/source/agricultural_aircraft) that first flew in 1962, a development of the company's previous successful crop-dusters.  It is typical of aircraft of its type - a single-seat aircraft with a low [wing](/source/monoplane) incorporating [spraying](/source/Aerial_application) gear.

==Design and development==
The [Call Aircraft Company](/source/Call_Aircraft_Company) (CAC) had built the [CallAir Model A](/source/CallAir_Model_A) series of light utility and agricultural aircraft. Following the purchase of CAC in 1962 by [Intermountain Manufacturing Company](/source/Intermountain_Manufacturing_Company) (IMCO) the latter produced a new agricultural derivative of the Callair, the CallAir A-9.  Production of the new aircraft started in 1963.<ref name="JAWA65 p246-7">Taylor 1965, pp. 246–247.</ref>

Like the earlier CallAir aircraft, the A-9 is a single-engined [monoplane](/source/monoplane) with a braced low wing. It is of mixed construction, with a fabric-covered steel-tube fuselage structure and a wood-and-fabric wing. The pilot sits behind the chemical hopper, and the cockpit is enclosed by two removable, bottom-hinged doors that form the left and right side windows.  The aircraft is powered by a single [Lycoming O-540](/source/Lycoming_O-540) [flat-six](/source/flat-six) piston engine.<ref name="JAWA65 p246-7"/><ref name="manual">[http://www.soarelsinore.org/docs/a9.pdf "A-9 Owners Manual: Serials 1048, 1111, 1117 & Up"] {{webarchive|url=https://web.archive.org/web/20140807063751/http://www.soarelsinore.org/docs/a9.pdf |date=2014-08-07 }}. Retrieved 23 February 2013.</ref> Later, some A-9s have been adapted for glider towing operations.

IMCO was in turn purchased by [Rockwell International](/source/Rockwell_International) in 1966, which built the plane under its [Aero Commander](/source/Aero_Commander_(aircraft_manufacturer)) division before shifting production to [Mexico](/source/Mexico) in 1971, under a [joint venture](/source/joint_venture) there called [AAMSA](/source/AAMSA).  Production ceased in 1984.

==Variants==
;A-9
:Original variant, powered by a 235 [hp](/source/horsepower) (175&nbsp;kW) [Lycoming O-540](/source/Lycoming_O-540)-B2B5. Built by CallAir,<ref>{{cite web |title=N8234H CallAir A-9 |url=https://registry.faa.gov/aircraftinquiry/Search/NNumberInquiry? |website=FAA Registry N-Number Inquiry |access-date=5 October 2024}}</ref> IMCO and Aero Commander (as the '''Sparrow Commander''')
;A-9B (Super)
:Version with 290&nbsp;hp (216&nbsp;kW) [Lycoming IO-540](/source/Lycoming_IO-540) or [Lycoming TIO-540](/source/Lycoming_O-540).<ref>{{cite web |title=N7799V Aero Commander CallAir A-9B |url=https://registry.faa.gov/aircraftinquiry/Search/NNumberInquiry? |website=FAA Registry N-Number Inquiry |access-date=5 October 2024}}</ref> Built by Aero Commander (as the '''Quail Commander''').
;B-1
:Enlarged A-9 with a 400&nbsp;hp (298&nbsp;kW) [Lycoming IO-720](/source/Lycoming_IO-720)-A1A engine and 42&nbsp;ft 8&nbsp;in (13.00 m) wingspan. First flight January 15, 1966.<ref name="JAWA66 p261-2">Taylor 1966, pp. 261–262.</ref> Built by IMCO and Aero Commander (as the '''Snipe Commander'''). 36 built.<ref name="Airlifep104"/>
;AAMSA A9B
: Licensed production by Aeronautica Agricola Mexicana SA (AAMSA) powered by {{convert|300|hp|kW|abbr=on}} Lycoming IO-540-K1A5 engine and {{convert|210|USgal|impgal L|abbr=on}} hopper. 101 built by AAMSA,<ref name="Janes 82 p155">Taylor 1982, p. 155</ref> with a further 17 assembled from Mexican-built components at [Laredo, Texas](/source/Laredo%2C_Texas) by Aircraft Parts and Development Corporation.<ref name="Airlifep104"/>
;AAMSA A9B-M
: Improved version of A9M, with cut down rear fuselage, redesigned cockpit, and increased wing dihedral.<ref name="Janes 82 p155"/> 36 built.<ref name="Airlifep104">Simpson 1995, p. 104</ref>
;A9B-M Quail 'Naco'
:Two seat military trainer aircraft built in Mexico by AAMSA, based on A9B-M. Single example (EPA-1) preserved at [Museo Militar de Aviación - MUMA](/source/Santa_Lucia_Air_Force_Base_Num_1), Mexico City.<ref>{{cite web |title=EPA-1, AAMSA  A-9B Quail |url=https://www.airhistory.net/photo/152133/EPA-1 |website=airhistory.net |access-date=5 October 2024}}</ref>

==Specifications (AAMSA A9B-M Quail)==
{{Aircraft specs
|ref=Jane's All The World's Aircraft 1982-83 <ref name="Janes 82 p155-6">Taylor 1982, pp. 155–156.</ref>
|prime units?=kts
<!--
        General characteristics
-->
|crew=1
|capacity={{cvt|210|USgal|impgal L}} or {{cvt|1600|lb}} of chemicals
|length ft=24
|length in=0
|length note=(tail up)
|span ft=34
|span in=9
|span note=
|height ft=7
|height in=8
|height note=
|wing area sqft=181.9
|wing area note=
|aspect ratio=6.63:1<!-- sailplanes -->
|airfoil=Modified Clark Y
|empty weight lb=1800
|empty weight note=
|gross weight kg=
|gross weight lb=
|gross weight note=
|max takeoff weight kg=
|max takeoff weight lb=3800
|max takeoff weight note=
|fuel capacity={{convert|40|USgal|impgal L|abbr=on}}
|more general=
<!--
        Powerplant
-->
|eng1 number=1
|eng1 name=[Lycoming IO-540-K1A-5](/source/Lycoming_IO-540-K1A-5)
|eng1 type=6-cylinder air-cooled horizontally opposed piston engine
|eng1 hp=300

|prop blade number=<!-- propeller aircraft -->
|prop name=
|prop dia m=<!-- propeller aircraft -->
|prop dia ft=<!-- propeller aircraft -->
|prop dia in=<!-- propeller aircraft -->
|prop dia note=
<!--
        Performance
-->
|perfhide=

|max speed kts=104
|max speed note=
|max speed mach=<!-- supersonic aircraft -->
|cruise speed kts=87
|cruise speed note=
|stall speed kts=
|stall speed note=
|never exceed speed kts=
|never exceed speed note=
|minimum control speed kts=
|minimum control speed note=
|range nmi=260
|range note=
|combat range nmi=
|combat range note=
|ferry range nmi=
|ferry range note=
|endurance=<!-- if range unknown -->
|ceiling ft=16000
|ceiling note=
|g limits=<!-- aerobatic -->
|roll rate=<!-- aerobatic -->
|glide ratio=<!-- sailplanes -->
|climb rate ftmin=850
|climb rate note=
|time to altitude=
|sink rate ftmin=<!-- sailplanes -->
|sink rate note=
|lift to drag=
|wing loading lb/sqft=
|wing loading note=
|fuel consumption lb/mi=
|power/mass=
|more performance=
}}

==See also==
{{Aircontent|
|related=
|similar aircraft=
* [Aero Boero 260AG](/source/Aero_Boero_260AG)
* [Cessna 188](/source/Cessna_188)
* [Embraer EMB 202 Ipanema](/source/Embraer_EMB_202_Ipanema)
* [Piper PA-25 Pawnee](/source/Piper_PA-25_Pawnee)
|lists=
|see also=
}}

==References==
;Notes
{{reflist}}
;Bibliography
* {{cite book |last=Simpson |first=R. W. |title=Airlife's General Aviation |year=1995 |edition=Second |location=Shrewsbury |publisher=Airlife Publishing Ltd. |isbn=1-85310-577-5}}
* {{cite report |last1=Smith |first1=Michael R. |last2=Patrick |first2=John D. |title=Evaluation of the CallAir A-9 Agricultural Aircraft: Technical Report |date=November 1966 |publisher=Aerophysics Department, Mississippi State University |url=http://apps.dtic.mil/sti/citations/AD0671079 |archive-url=https://web.archive.org/web/20210128141121/https://apps.dtic.mil/sti/citations/AD0671079 |url-status=live |archive-date=January 28, 2021 |access-date=20 December 2020}}
* [Taylor, John W. R.](/source/John_W._R._Taylor) ''Jane's All The World's Aircraft 1965-66''. London: Sampson Low, Marston & Company, 1965. 
* [Taylor, John W. R.](/source/John_W._R._Taylor) ''Jane's All The World's Aircraft 1966-67''. London: Sampson Low, Marston & Company, 1966. 
* [Taylor, John W. R.](/source/John_W._R._Taylor) ''Jane's All The World's Aircraft 1982-83''. London:Jane's Yearbooks, 1982. {{ISBN|0-7106-0748-2}}.

==External links==
{{commons category-inline|CallAir A-9}}

{{Aircraft of Mexico}}
{{Aero Commander aircraft}}

{{DEFAULTSORT:Callair A-9}}
Category:1970s Mexican agricultural aircraft
Category:1960s United States agricultural aircraft
Category:Low-wing aircraft
Category:Aero Commander aircraft
Category:Single-engined tractor aircraft
Category:Aircraft first flown in 1963
Category:IMCO aircraft
Category:Single-engined piston aircraft
Category:Aircraft with fixed conventional landing gear

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Adapted from the Wikipedia article [CallAir A-9](https://en.wikipedia.org/wiki/CallAir_A-9) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/CallAir_A-9?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.